| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 420034000 |
Nine percent or more chromium containing
| 228 |
| 420089000 |
Copper containing
| 82 |
| 420083000 |
Rare earth metal containing
| 74 |
| 420009000 |
1.7 percent or more carbon containing
| 65 |
| 420084000 |
Lead, bismuth, selenium, tellurium or calcium containing
| 57 |
| 420104000 |
Chromium containing, but less than 9 percent
| 56 |
| 420087000 |
Over 0.05 percent sulfur, over 0.04 percent phosphorus or sulfur or phosphorus added in any amount to promote machinability
| 27 |
| 420072000 |
Eight percent or more manganese containing
| 24 |
| 420099000 |
One percent or more carbon containing, but less than 1.7 percent
| 15 |
| 420077000 |
Four percent or more aluminum containing
| 9 |
| 420103000 |
Over 0.1 percent aluminum containing, but less than 4 percent
| 9 |
| 420094000 |
Over 10 percent nickel containing
| 7 |
| 420120000 |
1.5 percent or more manganese containing, but less than 8 percent
| 6 |
| 420082000 |
Noble metal containing
| 6 |
| 420117000 |
Two percent or more silicon containing | 5 |
| 20080279714 | High Strength Spring Steel and Steel Wire - The present invention provides spring steel used for spring steel wire achieving both high strength and cold coilability and spring steel wire, that is, spring steel containing, by mass %, C: 0.45 to 0.70%, Si: 1.0 to 3.0%, Mn: 0.05 to 2.0%, P: 0.015% or less, S: 0.015% or less, N: 0.0015 to 0.0200%, and t-O: 0.0002 to 0.01 and further limiting Al≦0.01% and Ti≦0.003%. Further, it is characterized by satisfying the following regarding the cementite-based spherical carbides present at an observed plane, an occupied area ratio of grains with a circle equivalent diameter of 0.2 μm or more of 7% or less, a density of presence of grains with a circle equivalent diameter of 0.2 to 3 μm of 1/μm | 11-13-2008 |
| 20090252641 | Hot-Rolled Steel Sheet, Method for Making the Same, and Worked Body of Hot-Rolled Steel Sheet - A steel sheet contains, in terms of percent by mass, C: 0.01 to 0.2%, Si: 2.0% or less, and Mn: 3.0% or less and has a martensite phase as dominant phase and ferrite with a grain size of 20 μm or less as a second phase. The ferrite is contained in area ratio of 1% to 30% and the amount of solute carbon being 0.01 percent by mass of more. The steel sheet can provide a hot-rolled steel sheet suitable for automobile steel sheet, i.e., has excellent press workability and excellent strain aging property whereby the tensile strength significantly increases by heat treatment at about the same temperature as typical baking process after the press-working. Moreover, hardening of the ferrite phase improves the fatigue strength after the strain aging. | 10-08-2009 |
| 20140147329 | HIGH SILICON BEARING DUAL PHASE STEELS WITH IMPROVED DUCTILITY - A dual phase steel (martensite+ferrite) having a tensile strength of at least 980 MPa, and a total elongation of at least 15%. The dual phase steel may have a total elongation of at least 18%. The dual phase steel may also have a tensile strength of at least 1180 MPa. The dual phase steel may include between 0.5-3.5 wt. % Si, and more preferably between 1.5-2.5 wt. % Si. | 05-29-2014 |
| 20130189148 | WIRE ROD AND STEEL WIRE HAVING SUPERIOR MAGNETIC CHARACTERISTICS, AND METHOD FOR MANUFACTURING SAME - A wire rod and steel wire having superior magnetic characteristics and a method for manufacturing same, wherein the wire rod and the steel wire can be used in transformers, vehicles, electric or electronic products, or the like which require low iron loss and high permeability. Provided are a wire rod and steel wire having superior magnetic characteristics and a method for manufacturing same, wherein the wire rod or the steel wire comprises, by wt %, 0.03 to 0.05% of C, 3.0 to 5.0% of Si, 0.1 to 2.0% of Mn, 0.02 to 0.08% of Al, 0.0015 to 0.0030% of N, and the remainder being Fe and unavoidable impurities. The wire rod and steel wire having directional properties may be provided by a general manufacturing process without using expensive alloying elements and without having to add a manufacturing facility. | 07-25-2013 |
| 20130272915 | METHOD FOR JOINING METALLIC MEMBERS, JOINT STRUCTURE AND BRAZING FILLER METAL - In joining an Fe-based metallic member comprising an Fe-based material and an Al-based metallic member comprising an Al-based material by a Zn-based brazing filler metal, a joined part of the Fe-based metallic member is heated at a temperature higher than a melting point of the Fe-based material. | 10-17-2013 |
| 420128000 |
Nitrogen containinig | 4 |
| 20130045128 | TIN MILL BLACK PLATE AND METHOD FOR MANUFACTURING THE SAME - A high-strength, high-workability tin mill black plate contains 0.070% to less than 0.080% C, 0.003% to 0.10% Si, 0.51% to 0.60% Mn, and the like on a mass basis and has a tensile strength of 500 MPa or more and a yield elongation of 10% or more. The average size and elongation rate of crystal grains are 5 μm or more and 2.0 or less, respectively, in cross section in the rolling direction thereof. The hardness difference obtained by subtracting the average Vickers hardness of a cross section ranging from a surface to a depth equal to one-eighth of the thickness of the plate from the average Vickers hardness of a cross section ranging from a depth equal to three-eighths of the plate thickness to a depth equal to four-eighths of the plate thickness is 10 points or more and/or the maximum Vickers hardness difference is 20 points or more. | 02-21-2013 |
| 20130294963 | STEEL SHEET FOR CAN HAVING HIGH STRENGTH AND HIGH FORMABILITY, AND METHOD FOR MANUFACTURING THE SAME - A steel sheet is provided containing C: 0.070% or more and less than 0.080%, Si: 0.003% or more and 0.10% or less, Mn: 0.51% or more and 0.60% or less, wherein the average grain size is 5 μm or more, the grain elongation rate is 2.0 or less, the difference in hardness is 10 points or more and/or 20 points or more depending on how it is determined, the tensile strength is 500 MPa or more, and the elongation after fracture is 10% or more. | 11-07-2013 |
| 20150364236 | IRON POWDER FOR DUST CORE - An iron powder for dust cores has an apparent density is 3.8 g/cm | 12-17-2015 |
| 20160010172 | Method for Producing A Cold-Rolled Flat Steel Product for Deep-Drawing and Ironing Applications, Flat Steel Product, and Use of a Flat Steel Product of Said Type | 01-14-2016 |
| 420119000 |
Nickel containing, but 10 percent or less | 2 |
| 20110038750 | Net or near net shape powder metallurgy process - In a hot isostatic pressing process or hot uniaxial pressing process for producing a net or near net shape product, a diffusion filter comprising boron nitride is provided between a graphite former and metal powder to be pressed thereagainst. The diffusion filter allows a controlled amount of carbon to diffuse into the surface of the pressed component. The boron nitride is conveniently applied as an aqueous slurry by spraying. In order to obtain adherence between the coating and the surfaces of the former, one or more thin ghost coat layers of slurry are applied to the surface of the graphite former before one or more layers of normal strength slurry are applied. Each layer of coating is allowed to dry before the next layer is applied, and the former may be heated to dry each layer. Pressed components of length greater than 2m can be processed, relative contraction of the component and former during cooling of the component being accommodated by the boron nitride coating on the former. The thickness of the coating can be determined by trials to achieve a controlled diffusion of carbon into the surface of the pressed component, and the dimensions of the former chosen to accommodate that thickness of coating. | 02-17-2011 |
| 20140065008 | STEEL FOR WELDED STRUCTURE AND PRODUCING METHOD THEREOF - A steel for a welded structure includes the following composition: by mass %, C at a C content [C] of 0.015 to 0.045%; Si at a Si content [Si] of 0.05 to 0.20%; Mn at a Mn content [Mn] of 1.5 to 2.0%; Ni at a Ni content [Ni] of 0.10 to 1.50%; Ti at a Ti content [Ti] of 0.005 to 0.015%; O at an O content [O] of 0.0015 to 0.0035%; and N at a N content [N] of 0.002 to 0.006%, and a balance composed of Fe and unavoidable impurities. In the steel for a welded structure, the P content [P] is limited to 0.008% or less, the S content [S] is limited to 0.005% or less, the Al content [Al] is limited to 0.004% or less, the Nb content [Nb] is limited to 0.005% or less, the Cu content [Cu] is limited to 0.24% or less, the V content [V] is limited to 0.020% or less, and a steel composition parameter P | 03-06-2014 |
| 420125000 |
Zirconium containing | 1 |
| 20100209284 | Alloy for Soft Magnetic Layer in Perpendicular Magnetic Recording Medium - A soft magnetic alloy for perpendicular magnetic recording medium excellent n saturation magnetic flux density, amorphousness and atmospheric corrosion resistance. The alloy is an Fe-Co based alloy and comprises Fe in an amount satisfying 0.25 to 0.65 of Fe/(Fe+Co) ratio, which is an atomic ratio of Fe and Fe+Co; Zr+Hf in an amount of 6 to 100 at %; Na+Ta in an amount of 0 to 2 at %; Al and/or Cr in an amount of 0 to 5 at %; and the balance Co and unavoidable impurities. A part of Zr and/or Hf can be replaced by B, provided that the amount of B to replace Zr and/or Hf is double in at % of the total amount of Zr and Hf to be replaced and that the total amount of Zr and Hf after replacement is 4 at % or more. | 08-19-2010 |
| 420127000 |
Vanadium, tantalum or niobium containing | 1 |
| 20080219879 | THIN CAST STRIP PRODUCT WITH MICROALLOY ADDITIONS, AND METHOD FOR MAKING THE SAME - A steel product or thin steel cast strip comprised of, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, and at least one of niobium between 0.01% and 0.20% and vanadium between 0.01% and 0.20%, and having a microstructure of a majority bainite and acicular ferrite, and more than 70% niobium and/or vanadium in solid solution. The steel product may have an increase in elongation and an increase in yield strength after age hardening. The age hardened steel product may have niobium carbonitride particles with an average particle size of 10 nanometers and less, and may have substantially no niobium carbonitride particles greater than 50 nanometers. The steel product may have a yield strength of at least 380 MPa or a tensile strength of at least 410 MPa, or both. The steel product or thin cast steel strip may have a total elongation of at least 6% or 10%. | 09-11-2008 |
| 420129000 |
Processes | 1 |
| 20090246068 | REFINEMENT OF STEEL - A method of forming and refining molten silicon-bearing steel by addition of a calcium-containing silicon additive. Determine if the amount of calcium in the calcium-containing silicon additive is more or less than the amount of calcium desired in the finished steel. If it is more than the amount of calcium desired in the finished steel, add the amount of calcium-containing silicon additive corresponding to the excess calcium early during steel deoxidation or in refining to combine with oxygen, sulfur and other impurities in refining, and add the calcium-containing silicon additive containing the total amount of calcium desired in the finished steel after the desulfurization of the molten steel and before casting. If the amount of calcium in the calcium-containing silicon additive does not provide the total amount of calcium desired in the finished steel, adding an additional amount of calcium after desulfurization of the molten steel and before casting to the molten steel during refining. | 10-01-2009 |
| 420121000 |
Boron containing | 1 |
| 20160042849 | MAGNETIC MATERIAL INCLUDING a"-Fe16(NxZ1-x)2 OR A MIXTURE OF a"-Fe16Z2 AND a"-Fe16N2, WHERE Z INCLUDES AT LEAST ONE OF C, B, OR O - A magnetic material may include α″-Fe | 02-11-2016 |
| Entries |
| Document | Title | Date |
|---|
| 20090016925 | HIGH SILICON STAINLESS STEEL, SPRING MADE THEREOF, AND PROCESS FOR MANUFACTURING HIGH SILICON STAINLESS STEEL - There are provided a high silicon stainless steel with a high elongation at break, a spring made thereof, and a process for manufacturing the high silicon stainless steel. The high silicon stainless steel of the invention is characterized in: mainly comprising a microstructure with a grain size of 15 μm or less and having an elongation at break of 12% or higher; mainly comprising a microstructure with a grain size of 7 μm or less and having an elongation at break of 14% or higher; or having an elongation at break of 7% or higher after thermal aging. The process of the invention for manufacturing the high silicon stainless steel is characterized in comprising a load application step for applying an impact load and/or a static load to the high silicon stainless steel or the master alloy, wherein the surface temperature is in a temperature range of 950° C. or below and not so low as to break the high silicon stainless steel or the master alloy. The high silicon stainless steel with a high elongation at break can provide a long-life spring. | 01-15-2009 |
| 20090148335 | PROCESS FOR SURFACE TREATMENT OF METALS - A process for treating metal to remove oxidation or contaminants or prepare the metal for processing without unduly damaging the metal. A formulation of sulfuric acid, water, and either ammonia or a sulfate salt of ammonia (or both) is used to treat the metal. The sulfuric acid is effective in removing impurities and contaminants, while the ammonia or ammonia salt reduces the otherwise damaging effect sulfuric acid has on metal. | 06-11-2009 |
| 20090169413 | Process for Recycling of Steel Industry Iron Bearing By-Products, Pellet Obtained in that Process and Use Thereof - The present invention relates to a process for the recycling of steel industry iron bearing by-products into a shape suitable for feeding into a direct reduction furnace, comprising the steps of mixing and grinding 50 to 99 wt % of ore and pellet fines and 1 to 50 wt % of slurry, mill scale and/or bag house dust, pelletizing the mixture and indurating the pellets so obtained by heating for 5-60 minutes at a temperature in the range of 1100-1350° C.; and a pellet produced from Iron bearing waste material and having compression strength of at least 2.8 kN and/or a drop number of at least 3. | 07-02-2009 |
| 20090175753 | METHOD AND SYSTEM FOR PRODUCING METALLIC IRON NUGGETS - Method and system for producing metallic nuggets includes providing reducible mixture of reducing material (such as carbonaceous material) and reducible iron bearing material (such as iron oxide) that may be arranged in discrete portions, such as mounds or briquettes, on at least a portion of a hearth material layer (such as carbonaceous material). A coarse overlayer of carbonaceous material may be provided over at least some of the discrete portions. Heating the reducible mixture to 1425° C. or 1400° C. or 1375° C. results in formation of an intermediate product of one or more metallic iron nuggets, which may have a sulfur content of less than 0.03%, and slag, which may have less than 5% mass MgO, which may have a ratio of percent by weight sulfur in the slag over percent by weight sulfur in the metallic nuggets of at least about 12 or at least about 15. | 07-09-2009 |
| 20090185943 | STEEL PLATE AND STEEL PLATE COIL - In a steel plate having tensile strength of 1 GPa or more at the normal temperature, the steel plate is made, stress decrement (SD) after uniform elongation in the stress-strain diagram obtained by using a tabular specimen of which is not less than 1.8×10 | 07-23-2009 |
| 20090263269 | AUSTENITIC STAINLESS STEEL AND PROCESS FOR REMOVING HYDROGEN THEREFROM - By focusing on the non-diffusible hydrogen that causes hydrogen embrittlement of austenitic stainless steel, the present invention provides an austenitic stainless steel in which the non-diffusible hydrogen is removed by maintaining the austenitic stainless steel in a vacuum of 0.2 Pa or less and heating at a heating temperature of 200° C. to 500° C. for 460 hours or less to remove the hydrogen (H) contained therein to a level of 0.00007 mass % (0.7 mass ppm) or less. | 10-22-2009 |
| 20090304542 | Method for the production of pigs,and pigs - Methods for producing pigs made of a metal alloy, wherein initially a melt is formed in which a basic material and one or several alloy components are present in the liquid state, from which the pigs are formed. According to the invention, in the course of cooling, energy, which increases the formation of mixed crystals, is briefly introduced into the melt by means of a variable field prior to the formation of the pigs. A pig according to the invention is a cast piece formed from a basic material and one or several alloy components and has been formed from a melt into which energy had been briefly introduced by means of a variable physical field in order to increase mixed crystal formation. | 12-10-2009 |
| 20090317281 | METHOD OF ATOMIC TRANSFORMATION - This invention provides a method for atomic transformations carried out under conditions akin to chemical catalysis. Liquid and solid state catalysts are used in a two-step process. We have found that the high ionic/electric activity of concentrated sodium hydroxide solution in combination with heating is sufficient to induce atomic transformation and provide a solid phase catalyst of high aluminum and silicon content. This product when heated at a temperature of 1000° C. yields numerous elements of higher atomic masses. Thus, atomic transformation (transmutation) is demonstrated by using common chemicals and simple laboratory procedures | 12-24-2009 |
| 20090317282 | METHOD FOR MANUFACTURING POROUS BODY - The present invention provides a process for producing a porous body which comprises dispersing a gas-forming compound in a molten porous body-forming material, and then solidifying the molten material. With this process, the present invention enables manufacture of high quality and highly uniform porous bodies even under an atmospheric pressure, without requiring high pressure ambience. | 12-24-2009 |
| 20090324440 | Reduction Processing of Metal-Containing Ores in The Presence of Microwave and RF Energy - A process for reducing a metal-containing material, the process comprising: providing a metal-containing material ( | 12-31-2009 |
| 20100215539 | HOT ROLLED THIN CAST STRIP PRODUCT AND METHOD FOR MAKING THE SAME - A hot rolled steel strip made by the steps including assembling a twin roll caster, forming a casting pool of molten steel of such composition that the cast strip produced comprises by weight, greater than 0.25% and up to 1.1% carbon, between 0.40 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, counter rotating the casting rolls to solidify metal shells and forming a steel strip, hot rolling the steel strip such that mechanical properties at 10% and 35% reduction are within 10% for yield strength, tensile strength and total elongation, and coiling the hot rolled steel strip at a temperature between 550 and 750° C. to provide a majority of the microstructure comprising pearlite, along with bainite and acicular ferrite. The steel may have a free oxygen content between 5 and 50 ppm or between 25 and 45 ppm. | 08-26-2010 |
| 20100221137 | Hydrogen Storage Material with Intermediate Bond Strength and Process for Making the Same - Provided herein are materials that can achieve up to 14% hydrogen absorption by weight in ambient conditions, which is a marked improvement over the hydrogen absorption values found in the prior art. Further provided are experimental conditions necessary to produce these materials. In order to produce the hydrogen storage material, a transition metal (or Lithium) is vaporized in a pi bond gas in conditions that permit only a few bonding collisions to occur between the vaporized transition metal atoms and pi bond gas molecules before the resulting bonded material is collected. | 09-02-2010 |
| 20100278684 | PROCESS FOR MANUFACTURING STAINLESS STEEL CONTAINING FINE CARBONITRIDES, AND PRODUCT OBTAINED FROM THIS PROCESS - The invention relates to a process for manufacturing a semi-finished product made of stabilized stainless steel, which includes a casting step by means of a hollow jet nozzle placed between a tundish and a continuous casting mould. The nozzle comprises, in its upper part, a distributing member for deflecting the liquid metal arriving at the inlet of the nozzle, thus defining an internal volume with no liquid metal in the hollow jet. A non-stabilized stainless steel containing no nitride, carbide and carbonitride precipitates, is delivered in liquid metal form into the tundish. The liquid metal is cast by means of the nozzle, simultaneously carrying out an addition of metal powder into an internal volume of the hollow jet. The metal powder contains at least one element for stabilizing the stainless steel, the addition being carried out at a temperature between T | 11-04-2010 |
| 20100296960 | CONTINUOUS CAST SLAB AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a continuous cast slab and a manufacturing method for the same, wherein solidified layers of a cast slab having a non-solidified layer are compressed with each other during a continuous casting process to fundamentally prevent occurrence of defects, such as center segregation or porosity, which deteriorate quality of the cast slab, thereby decreasing defects. A continuous casting method for producing a cast slab by drawing molten steel from a mold includes preparing a compressing unit, and reducing at least one side of the drawn cast slab by means of the compressing unit, wherein solute-enriched residual molten steel is caused to flow back in a direction opposite to a casting direction. Thus, it is possible to produce a cast slab wherein defects such as center segregation are greatly eliminated. | 11-25-2010 |
| 20110081270 | LIGNITE-BASED URETHANE RESINS WITH ENHANCED SUSPENSION PROPERTIES AND FOUNDRY SAND BINDER PERFORMANCE - Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable isocyanate, a polymerizable polyol, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. | 04-07-2011 |
| 20110318217 | COLD-ROLLED STEEL SHEET WITH EXCELLENT BENDING WORKABILITY, METHOD FOR MANUFACTURING THE SAME, AND MEMBER USING THE SAME - A cold-rolled steel sheet with excellent bending workability has a component composition of 0.025% or less C, 0.1% or less Si, 0.05% to 0.5% Mn, 0.03% or less P, 0.02% or less S, and 0.01% to 0.1% sol. Al on a mass basis, the remainder being Fe and unavoidable impurities; a microstructure that is a ferrite rolling texture; a tensile strength TS of 390 MPa or more; a thickness of 0.4 mm or more; and a sheet thickness direction ultimate ductility of 1.3 or more, wherein the sheet thickness direction ultimate ductility is the natural logarithm Ln(t | 12-29-2011 |
| 20120100034 | PROCESS FOR PRODUCING SPONGE IRON - The present invention relates to a process for producing sponge iron with in-situ carbon removal. The process for producing the sponge iron includes the steps of preparing a sandwich of at least two layers wherein the at least two layers includes a first layer ( | 04-26-2012 |
| 20120189485 | METHODS OF REMOVING RUST FROM A FERROUS METAL-CONTAINING SURFACE - Disclosed are methods for removing rust from a ferrous metal-containing surface. These methods include contacting the surface with a composition that includes a carboxylic acid, a synthetic hectorite clay, and water. | 07-26-2012 |
| 20120251379 | ASYMMETRIC ROLLING APPARATUS, ASYMMETRIC ROLLING METHOD AND ROLLED MATERIALS FABRICATED BY USING THE SAME - Provided is an asymmetric rolling method including: entering a to-be-rolled material having a first surface and a second surface between a first roll and a second roll that has a greater diameter than that of the first roll and a rotary angular speed that is different from that of the first roll while the first surface and the second surface respectively contact the first roll and the second roll, followed by rolling, and entering the rolled to-be-rolled material between a third roll and a fourth roll that has a greater diameter than that of the third roll and a rotary angular speed that is different from that of the third roll while the first surface and the second surface respectively contact the fourth roll and the third roll, followed by rolling, wherein different shear stresses are applied to the first and second surfaces of the to-be-rolled material. | 10-04-2012 |
| 20120269672 | METHOD FOR MANUFACTURING A METAL INGOT COMPRISING A BORE, AND ASSOCIATED INGOT AND MOLDING DEVICE - In said method, the mold ( | 10-25-2012 |
| 20120315179 | MACHINED COMPONENT MANUFACTURING METHOD FOR ENHANCED LOW CYCLE FATIGUE LIFE - A manufacturing method includes providing a component, such as a superalloy aircraft component, with a substrate surface having damaged brittle compound particles from machining. The manufacturing method removes the damaged compound particles from the substrate surface without producing significant amount of new damaged compound particles in the substrate surface. In one example, the damaged compound particles are removed with an abrasive media. The method results in a machined substrate surface free from damaged intermetallic component particles. | 12-13-2012 |
| 20130039800 | HARD METAL MATERIALS - A hard metal material and a method of manufacturing a component of the hard metal material are disclosed. The hard metal material comprises 5-50 volume % particles of a refractory material dispersed in a host metal. The method comprises forming a slurry of 5-50 volume % particles of the refractory material dispersed in a liquid host metal in an inert atmosphere and pouring the slurry into a mould and forming a casting of the component. | 02-14-2013 |
| 20140134038 | ANTI-THERMALLY-EXPANSIVE RESIN AND ANTI-THERMALLY-EXPANSIVE METAL - Provided are resin-based and metal-based anti-thermally-expansive members each having small thermal expansion. More specifically, provided are an anti-thermally-expansive resin and an anti-thermally-expansive metal, each including a resin or a metal having a positive linear expansion coefficient at 20° C. and a solid particle dispersed in the resin or metal, in which the solid particle includes at least an oxide represented by the following general formula (1): (Bi | 05-15-2014 |
| 20140212320 | LASER IGNITION OF REACTION SYNTHESIS SYSTEMS - The present invention provides a process of initiating a self-propagating reaction with a coherent radiation source, which comprises mixing the chemical reactants, and contacting the chemical reactants by the coherent radiation, more specifically, the coherent radiation source may be a laser. | 07-31-2014 |
| 20140255242 | COMPOSITE STEEL PLATE - A composite steel plate in which at least two steel sheets are rolled to form a plate. One of the sheets has a composition that varies in a depthwise direction between nanocrystalline and micron grained. The plate is made by treating a steel sheet to produce a composition in the sheet that varies in a depthwise direction of the sheet between nanocrystalline and micron grained, stacking the treated sheet with at least one other steel sheet and rolling the sheets to form the plate. | 09-11-2014 |
| 20150017056 | SOFT MAGNETIC METAL POWDER, METHOD FOR PREPARING THE SAME, AND ELECTRONIC COMPONENTS INCLUDING THE SAME AS CORE MATERIAL - Disclosed herein are a soft magnetic metal powder having a pearlite lamellar structure in which ferrite structures and cementite structures are repeated, a method for preparing the same, and an electronic component including the same as a core material. | 01-15-2015 |
| 20150139850 | SYSTEM AND METHOD FOR FORMING A LOW ALLOY STEEL CASTING - A method of casting a low alloy steel using a mold is disclosed. The method includes receiving the mold having a foam pattern disposed within a sand casing. The received foam pattern is coated with a permeable refractory coating and is disposed between compacted sand and the sand casing. The method further includes pouring a molten metal comprising a low alloy steel having a carbon content in a range from about 0.1 to about 0.4 percent into the mold so as to vaporize the foam pattern and remove gasification products through the permeable refractory coating, to form a low alloy steel casting. Further, the method includes removing the low alloy steel casting from the mold. | 05-21-2015 |
| 20160102390 | Carbon Dioxide Entrained Steel - Millions of tons of steel are manufactured each year around the world. Typically gas filled void spaces within a steel matrix are not a desirable attribute in any application. With an increasing need to monitor and address carbon dioxide emissions it is desirable to utilize this by-product of current industrial processes and the internal structure of steel provides a unique place to keep carbon dioxide. | 04-14-2016 |
| 20160107222 | Method for Warm Forming of Super High Tensile Strength Steel Sheet - Disclosed herein is a method for warm forming of a super high tensile strength steel sheet. The method may improve productivity and simultaneously maintain accurate strength by securing thermal structure stability and dimensional stability during heating and forming the super high tensile strength steel sheet. According to an exemplary embodiment of the present invention, the method for warm forming of a super high tensile strength steel sheet includes: heating a steel sheet having a single-phase structure at Al transformation temperature or less; pressing, in a mold, the heated steel sheet to be formed in a predetermined shape; and extracting and cooling the pressed steel sheet. | 04-21-2016 |
| 20160145718 | METHOD OF PRODUCING STEEL MATERIAL - A method of producing a steel material includes a step of adding Ca to molten steel with an amount of Ca adjusted within a range satisfying the formula (1) below: | 05-26-2016 |
