| Entries |
| Document | Title | Date |
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| 20080247899 | Contoured PCD and PCBN for twist drill tips and end mills and methods of forming the same - Contoured solid polycrystalline superabrasive material such as twist drill tips and endmill flank segments can be formed by preparing a precursor mold having a plurality of shaped openings each corresponding to a predetermined shape. A specially prepared charge feed can be placed into the shaped openings to form a charged precursor. The charge feed can include a substantially homogeneous mixture of superabrasive source particulates, sintering binder, and optional inorganic bonding medium. A loaded reaction cup-assembly including the charged precursor can be subjected to a pressure, temperature and time sufficient for sintering and formation of the contoured polycrystalline superabrasive material. Reduced finishing steps and increased tailorability of grade and quality of final polycrystalline products can be readily achieved. | 10-09-2008 |
| 20080274002 | POWDER INJECTION MOLDING COMPOSITION - A powder injection molding composition is disclosed. The composition comprises caprolactam and a plurality of particles, where that plurality of particles is selected from a metal powder, a metal hydride powder, a ceramic powder, a ferrite powder, and mixtures thereof. The composition optionally firther comprises a wax and polymeric material. | 11-06-2008 |
| 20080298995 | Method of manufacturing rare-earth bond magnet - A method of manufacturing a rare-earth bond magnet is provided, by which magnetic properties and mechanical properties of a magnet are improved. In a method of manufacturing a rare-earth bond magnet, a mixture including rare-earth magnet powder, thermosetting resin, and an additive is subjected to compression molding, and a compact is irradiated with a microwave, so that the thermosetting resin is cured using heat generated by the rare-earth magnet powder. | 12-04-2008 |
| 20090041608 | IRON-BASED POWDER MIXTURE, AND METHOD OF MANUFACTURING IRON-BASED COMPACTED BODY AND IRON-BASED SINTERED BODY - An iron-based powder mixture for powder metallurgy is provided, in which iron-based powder is blended with at least one selected from talc and steatite, and preferably further blended with metallic soap, thereby when a compacted body is sintered, furnace environment is not adversely affected, and excellent compaction performance is achieved even in a low temperature range of less than 100° C., and more preferably, an obtained sintered body has excellent machining performance. | 02-12-2009 |
| 20090110587 | Method for manufacturing laminated soft-magnetic sheet - A method for producing a laminated soft-magnetic sheet is provided by laminating thin soft-magnetic sheets produced by an application method. A change in sheet thickness can be suppressed and variations in the magnetic permeability are small. The method for manufacturing a laminated soft-magnetic sheet includes the step (A) of obtaining curable soft-magnetic sheets, each of the curable soft-magnetic sheets being produced by applying to a release base a soft-magnetic composition prepared by mixing at least a flat soft-magnetic powder, an acrylic rubber having a glycidyl group, an epoxy resin, a latent curing agent for the epoxy resin, and a solvent, drying the applied soft-magnetic composition at a temperature T | 04-30-2009 |
| 20090129961 | METAL INJECTION MOLDING METHODS AND FEEDSTOCKS - Metal injection molding methods and feedstocks. Metal injection molding methods include forming a feedstock, molding the feedstock into a molded article, substantially removing a lubricant, a thermoplastic, and an aromatic binder from the molded article, and sintering the molded article into a metal article. In some examples, metal injection molding methods include oxygen reduction methods. In some examples, metal injection molding methods include densification methods. Metal injection molding feedstocks include a lubricant, a thermoplastic, and aromatic binder, and a metal powder. | 05-21-2009 |
| 20090148334 | NANOPHASE DISPERSION STRENGTHENED LOW CTE ALLOY - A metal matrix composite material of a low coefficient of thermal expansion (CTE) alloy strengthened by nanophase dispersed particles. The low CTE alloy can be an iron-nickel alloy or an iron-nickel-cobalt alloy. The nanophase particles can be a refractory oxide, carbide or nitride. Also disclosed is a method of making a metal matrix composite material in which the nanophase particles are combined with the low CTE alloy to form a metal matrix composite material having the nanophase particles dispersed therein. | 06-11-2009 |
| 20090311122 | POWDER FORGED MEMBER, POWDER MIXTURE FOR POWDER FORGING, METHOD FOR PRODUCING POWDER FORGED MEMBER, AND FRACTURE SPLIT TYPE CONNECTING ROD USING THE SAME - A member produced by powder forging which retains machinability and improved fatigue strength without having an increased hardness and can retain self conformability after fracture splitting; a powder mixture for powder forging; a process for producing a member by powder forging; and a fracture splitting connecting rod obtained from the member produced by powder forging. The member produced by powder forging is one obtained by preforming a powder mixture, subsequently sintering the preform, and forging the resultant sintered preform at a high temperature. The free-copper proportion in the sintered preform at the time when the forging is started is 10% or lower, and the member obtained through the forging has a composition containing, in terms of mass %, 0.2-0.4% C, 3-5% Cu, and up to 0.4% Mn (excluding 0), the remainder being iron and incidental impurities, and has a ferrite content of 40-90%. | 12-17-2009 |
| 20100003156 | RARE EARTH MAGNET AND PRODUCTION PROCESS THEREOF - The present invention provides a rare earth magnet, which is formed through at least hot molding, the rare earth magnet containing grains including an R | 01-07-2010 |
| 20100068087 | METHODS AND APPARATUS FOR MIXING POWDERY SUBSTANCES, PARTICULARLY FOR MANUFACTURE OF METAL MATRIX COMPOSITE (MMC) MATERIALS - A blender apparatus ( | 03-18-2010 |
| 20100098574 | Mixtures For Forming Porous Constructs - Provided are methods comprising at least one metal powder with an extractable material and a composition comprising a polyol, a hydrophilic polymer, or both in order to form a mixture in which the metal powder and the extractable material assume respective positions. The composition functions as a homogenizing agent that allows the mixture to remain well-mixed for extended periods of time under ambient conditions. Also provided are green bodies and porous constructs, including implants, that are made in accordance with the disclosed methods. The green bodies and porous constructs have a substantially uniform porosity that is at least partially attributable to the ability of the composition to maintain the metal powder and the extractable material in their respective positions prior to sintering. | 04-22-2010 |
| 20100150768 | METHOD FOR PRODUCING METAL POWDER FOR DUST CORE AND METHOD FOR MANUFACTURING DUST CORE - A pure iron powder of a diameter of 10 to 500 μm and a purity of 99% by mass or more is heated to a temperature in the range of 600 to 1400° C., and a Si-concentrated layer is formed in regions within a depth of 5 μm from the surfaces of the powder particles by gas-phase reaction at a temperature of that range. The average Si concentration in the regions within this depth is controlled in the range of 0.05% to 2% by mass. Thus, a dust core metal powder enhancing the adhesion of insulating material to the particle without degrading compressibility is produced. The resulting dust core maintains a high saturation magnetic flux density and exhibits a low iron loss. | 06-17-2010 |
| 20110020163 | Super-Hard Enhanced Hard Metals - The present invention relates to a super-hard enhanced hard-metal comprising particulate hard material and a binder and at least one formation, the formation comprising a core cluster and a plurality of satellite clusters, spaced from, surrounding and smaller than the core cluster, and the core cluster and satellite clusters each comprising a plurality of contiguous super-hard particles. The invention further relates to a method for making a super-hard enhanced hard-metal, the method including forming a green body comprising super-hard particles, particles of a hard material and at least one binder material or material that is capable of being converted into a binder material; subjecting the green body to a temperature of at least 500 degrees centigrade and a pressure at which the super-hard material is not thermodynamically stable to form a sintered body; and subjecting the sintered body to a pressure and temperature at which the super-hard material is thermodynamically stable and to inserts for tools comprising the enhanced hard-metal. | 01-27-2011 |
| 20110182763 | METHOD OF MANUFACTURING ELECTRONIC COMPONENT FOR RF APPLICATIONS BY SINTERING - Disclosed herein is a method for manufacturing an electronic component comprising a ferrite by sintering. The method comprises the steps of: adding 3 wt% of ammonium alginate to a ferrite to form a mixture, and stirring the mixture while adding water thereto to form a gel; drying the gel at a temperature ranging from 85 ° C to 95 ° C to form a dried material; grinding the dried material to produce a ferrite powder coated with the ammonium alginate; subjecting the ferrite powder to compression molding; and sintering the compression-molded ferrite powder. According to the method, by adding ammonium alginate to the ferrite, the cohesion of the ferrite can be enhanced to facilitate the molding of the ferrite. Also, the magnetic loss tangent of the ferrite can be reduced and the permeability thereof can be increased, thus increasing the efficiency of the ferrite. | 07-28-2011 |
| 20110256013 | METHOD FOR PRODUCING REGENERATED TARGET - A sintering method with uniaxial pressing includes: a powder filling step of disposing a spent target in an inner space of a frame jig having the inner space piercing in a uniaxial direction, and filling the inner space with a raw material powder for a target to cover an erosion part side of the spent target with the raw material powder for a target, a cushioning-material disposition step of disposing a deformable cushioning material so that the raw material powder for a target with which the inner space has been filled in the powder filling step is sandwiched between the spent target and the deformable cushioning material; and a sintering step of pressing the raw material powder for a target with which the inner space has been filled and the spent target in the uniaxial direction through the cushioning material and sintering them. | 10-20-2011 |
| 20110262294 | MACHINABILITY IMPROVING COMPOSITION - An iron-based powder composition is provided comprising, in addition to an iron-based powder, a minor amount of a machinability improving additive comprising at least one silicate from the group of phyllosilicates. The technology further concerns the use of the machinability improving additive and a method for producing an iron-based sintered part having improved machinability. | 10-27-2011 |
| 20110274576 | METHOD FOR PRODUCING DUST CORE - An object of the present invention is to provide a method for producing a dust core wherein generation of iron oxide at grain boundaries in the dust core is unlikely to take place upon annealing of the dust core subjected to compaction, thus allowing excellent electromagnetic characteristics to be realized. Also, the following is provided: a method for producing a dust core, which comprises: a step of molding a magnetic powder comprising a powder for a dust core formed with an iron-based magnetic powder coated with a silicone resin into a dust core via compaction; and a step of annealing the dust core via heating so as to cause the silicone resin contained in the dust core to be partially formed into a silicate compound, wherein annealing of the dust core is carried out at a dew point of an inert gas of −40° C. or lower in an inert gas atmosphere in the annealing step. | 11-10-2011 |
| 20110293462 | PREPARATION OF FILLER-METAL WELD ROD BY INJECTION MOLDING OF POWDER - A method for preparing a filler-metal weld rod of a filler-metal composition includes the steps of centerless grinding the filler metal weld rod of a forced mixture of a mass of titanium aluminide intermetallic alloy powder that was used to form the weld rod, and hot isostatic pressing the filler-metal weld rod at a temperature greater than 2150° F., at a pressure between about 15,000 pounds per square inch and about 25,000 pounds per square inch and for a time of about 1 to 5 hours, thereby increasing the relative density to between about 98% and about 99%. | 12-01-2011 |
| 20110318213 | SHELL ACTIVATED SINTERING OF CORE-SHELL PARTICLES - A sintered structure and method for forming it are disclosed. The method includes obtaining core-shell particles having a core material and a shell material, forming the particles into a powder compact, and annealing the powder compact at an annealing temperature. The shell material is a metal that diffuses faster than the core material at the annealing temperature and diffuses to the contacts between the core-shell particles during annealing to form sintered interfaces between the core-shell particles. The sintered structure can have discontinuous regions of shell material between the sintered interfaces. The core material can be a metal, semiconductor or ceramic. The core material can be copper and the shell material can be silver. The sintered interfaces can be almost purely shell material. The annealing temperature can be significantly lower than the temperature needed to form interfaces between particles of the core material without the shell material. | 12-29-2011 |
| 20120107167 | METHOD FOR PRODUCING SINTERED COPPER ARTICLE FOR CRAFT OR DECORATIVE USE, AND PLASTIC COPPER CONTAINING CLAY COMPOUND - A method for producing a sintered copper article for craft or decorative use made of copper or a copper alloy which can be sintered in the air by using a general heating furnace, and a plastic copper containing clay compound are provided. The method for producing the sintered copper article for craft or decorative use of the present invention comprises the steps of forming a shaped copper object using the copper containing clay compound which includes at least one kind of a powder selected from a copper powder or a copper alloy powder that contains copper in 50 wt % or more together with an organic binder, and subsequently sintering the shaped copper object, thereby to obtain a shaped copper sinter. Herein, the mean particle diameter of the powder included in the copper containing clay compound is restricted to 10 μm or less, whereby the shaped copper sinter is obtained by sintering the shaped copper object in the air. | 05-03-2012 |
| 20120114515 | RARE EARTH MAGNET MATERIAL AND METHOD FOR PRODUCING THE SAME - A method for producing a rare earth magnet material which allows efficient Dy or the like diffusion into an inside thereof. This method includes a preparation step of preparing a powder mixture of magnet powder including one or more rare earth elements including neodymium, boron, and the remainder being iron; and neodymium fluoride powder; a heating step of heating a compact of the powder mixture and causing oxygen around magnet powder particles to react with the fluoride powder, thereby obtaining a lump rare earth magnet material in which neodymium oxyfluoride is wholly distributed. The fluoride powder traps oxygen enclosed in the powder mixture and fixes the oxygen as stable NdOF. When Dy is diffused into this rare earth magnet material, Dy smoothly enters into its inside without being oxidized at grain boundaries. Consequently, coercivity of the entire rare earth magnet material can be efficiently increased without wasting scarce Dy. | 05-10-2012 |
| 20120156082 | POWDER METALLURGICAL MATERIAL, PRODUCTION METHOD AND APPLICATION THEREOF - This invention relates to power metallurgical material, production method and application thereof. A metallurgy powder material with pressure-proof & good compactness, satisfactory to the component content requirements for 316 stainless steel, wherein, 5˜9% (by weight) of Fe | 06-21-2012 |
| 20120189484 | Process for Producing an Interconnector of a High-Temperature Fuel Cell - A molding is produced with a disk-shaped or plate-shaped basic body having a large number of knob-like and/or web-like elevations which merge into the basic body with inclined side surfaces. The molding is produced by pressing and sintering powdery raw materials close to the final shape. First, the boundary surfaces of the basic body are pressed to final shape as far as the transition regions of the elevations and the elevations are pressed to an oversize. The projection height of the elevations from the basic body is greater than the projection height in the finally pressed state. Their side surfaces form an angle of inclination in the range from 90°-150° with the respectively adjacent boundary surface of the basic body. Then the elevations are pressed to near final shape while the angle of inclination is enlarged to a greater value. | 07-26-2012 |
| 20120294749 | PROCESS FOR PRODUCING COMPONENTS BY POWDER INJECTION MOLDING - Process for producing a shaped metallic body from a thermoplastic composition by injection molding or extrusion to form a shaped part, removal of the binder and sintering, wherein a thermoplastic composition composed of a metal powder and a polymer mixture B | 11-22-2012 |
| 20120294750 | PB-FREE COPPER ALLOY SLIDING MATERIAL - When a Cu—Sn—Bi had-particle based sliding material is used for sliding, Cu of Cu matrix flows and covers up Bi phase. Seizure resistance lowers as time passes. A Pb-free sliding material preventing the reduction of seizure resistance is provided. (1) Composition: from 1 to 15% of Sn, from 1 to 15% of Bi, from 0.02 to 0.2% of P, and from 1 to 10% of hard particles having an average diameter of from 50 to 70 μm, with the balance being Cu and unavoidable impurities. (2) Structure: Bi phase and the hard particles are dispersed in the copper matrix, and all of said hard particles are bonded to the copper matrix. | 11-22-2012 |
| 20130071283 | TITANIUM ALLOY COMPLEX POWDER CONTAINING CERAMIC AND PROCESS FOR PRODUCTION THEREOF, CONSOLIDATED TITANIUM ALLOY MATERIAL USING THIS POWDER AND PROCESS FOR PRODUCTION THEREOF - Titanium alloy complex powder is yielded by hydrogenating titanium alloy raw material to generate hydrogenated titanium alloy, grinding and sifting it to obtain hydrogenated titanium alloy powder, adding ceramic powder selected from SiC, TiC, SiO | 03-21-2013 |
| 20130259733 | SINTERED ALLOY FOR VALVE SEAT AND MANUFACTURING METHOD OF EXHAUST VALVE SEAT USING THE SAME - A sintered alloy for a valve seat may be manufactured using a method including: mixing MnS with an alloy powder for a valve seat including C at 0.8-1.2 wt %, Ni at 2.0-4.5 wt %, Cr at 3.0-5.0 wt %, Mo at 16.0-20.0 wt %, Co at 9.0-13.0 wt %, V at 0.05-0.15 wt %, S at 0.2-0.8 wt %, Fe, and additional inevitable impurities; making a first shape by forming the mixed materials; pre-sintering the first formed shape; making a secondary shape by re-pressing the first pre-sintered shape; main-sintering the secondary shape; and tempering the main-sintered secondary shape. | 10-03-2013 |
| 20130323107 | SINTERED SUPERHARD COMPACT FOR CUTTING TOOL APPLICATIONS AND METHOD OF ITS PRODUCTION - A method and composition of a sintered superhard compact is provided. The sintered superhard compact body may comprise superhard particles and a binder phase. The binder phase may bond the superhard particles together. The binder phase comprises tungsten and cobalt. The ratio of tungsten to cobalt is between 1 and 2 and sum of W and Co in the sintered superhard compact is in a range of from about 2 to about 20 percent by weight. | 12-05-2013 |
| 20130343943 | METHODS FOR PREPARING METALLURGICAL POWDER COMPOSITIONS AND COMPACTED ARTICLES MADE FROM THE SAME - Provided are methods of preparing high density compacted components that increase that lubricity of metallurgical powder compositions while reducing the overall organic content of the compacted component. Method of preparing high density compacted components having a high density include the steps of providing a metallurgical powder composition having particles at least partially coated with a metal phosphate layer, and compacting the metallurgical powder composition in the die at a pressure of at least about 5 tsi. The metallurgical powder composition comprises a base-metal powder, optional alloying powders, and a particulate internal lubricant. The metal phosphate at least partially coats the base-metal powder, the optional alloying powder, or both. The metal phosphate coating increases the lubricity of metallurgical powders without the need for large quantities of organic material, e.g., lubricants and binders. | 12-26-2013 |
| 20140286810 | METHODS OF MANUFACTURING OILFIELD DEGRADABLE ALLOYS AND RELATED PRODUCTS - A method of making a degradable alloy includes adding one or more alloying products to an aluminum or aluminum alloy melt; dissolving the alloying products in the aluminum or aluminum alloy melt, thereby forming a degradable alloy melt; and solidifying the degradable alloy melt to form the degradable alloy. A method for manufacturing a product made of a degradable alloy includes adding one or more alloying products to an aluminum or aluminum alloy melt in a mould; dissolving the one or more alloying products in the aluminum or aluminum alloy melt to form a degradable alloy melt; and solidifying the degradable alloy melt to form the product. A method for manufacturing a product made of a degradable alloy includes placing powders of a base metal or a base alloy and powders of one or more alloying products in a mould; and pressing and sintering the powders to form the product. | 09-25-2014 |
| 20140301885 | PERMANENT MAGNET AND METHOD FOR MANUFACTURING PERMANENT MAGNET - In a permanent magnet and a manufacturing method thereof, entire magnet can be densely sintered without a gap between a main phase and a grain boundary phase. Fine powder of milled neodymium magnet is mixed with a solution containing an organometallic compound expressed with a structural formula, M-(OR) | 10-09-2014 |
| 20140341771 | MACHINABILITY IMPROVING COMPOSITION - An iron-based powder composition is provided comprising, in addition to an iron-based powder, a minor amount of a machinability improving additive comprising at least one silicate from the group of phyllosilicates. The technology further concerns the use of the machinability improving additive and a method for producing an iron-based sintered part having improved machinability. | 11-20-2014 |
| 20150017053 | Neodymium-Based Rare Earth Permanent Magnet and Process for Producing Same - Provided is a neodymium-based rare earth permanent magnet having a purity of 99.9 wt % or higher excluding gas components and component elements. The present invention can remarkably improve the magnetic properties in a neodymium-based rare earth permanent magnet by highly purifying the magnetic materials. Furthermore, the present invention aims to provide a high-performance neodymium-based rare earth permanent magnet with improved heat resistance and corrosion resistance, which are inherent drawbacks of magnetic materials. | 01-15-2015 |
| 20150110662 | BORON DOPED MANGANESE ANTIMONIDE AS A USEFUL PERMANENT MAGNET MATERIAL - Permanent magnets are used for several important applications, including de electrical motors, wind turbines, hybrid automobile, and for many other applications. Modern widely used rare-earth based permanent magnet materials, such as Sm—Co and Nd—Fe—B, are generally intermetallic alloys made from rare earth elements and transition metals such as cobalt. However, the high costs of rare earth elements make the widespread use of these permanent magnets commercially unattractive. The present work focuses on producing a new permanent magnet material, with good magnetic properties, which is free from rare-earth elements and thus cost-effective. The present invention provides a process to synthesis boron doped manganese antimonide as an alternative to rare earth based permanent magnet materials. The boron doped manganese antimonide disclosed in this invention is free from rare-earth element with good magnetic properties. The material in the present study has been synthesized employing sequential combination of high energy ball milling, arc melting under argon atmosphere and again high energy ball milling followed by annealing. The annealed boron doped manganese antimonide shows improved magnetic properties as compared to manganese antimonide. | 04-23-2015 |
| 20160059311 | FLUX-COATED BINDER FOR MAKING METAL-MATRIX COMPOSITES, A DRILL BODY AND DRILL BIT INCLUDING THE SAME, AND METHODS OF MANUFACTURE - A method of making a flux-coated binder includes treating metal binder slugs to have an adherent surface, adding a flux powder to the treated metal binder slugs, and distributing the flux powder on the adherent surface of the metal binder slugs. | 03-03-2016 |
| 20160130685 | LEAD-FREE, HIGH-SULPHUR AND EASY-CUTTING COPPER-MANGANESE ALLOY AND PREPARATION METHOD THEREOF - Disclosed are a lead-free, high-sulphur and easy-cutting copper-manganese alloy and preparation method thereof. The alloy comprises the following components in percentage by weight: 52.0-95.0 wt. % of copper, 0.01-0.20 wt. % of phosphorus, 0.01-20 wt. % of tin, 0.55-7.0 wt. % of manganese, 0.191-1.0 wt. % of sulphur, one or more metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur, with the sum of the contents thereof no more than 2.0 wt. %, and the balance being zinc and inevitable impurities, wherein the metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur are nickel, iron, tungsten, cobalt, molybdenum, antimony, bismuth and niobium. The copper alloy is manufactured by a powder metallurgy method, in which after uniformly mixing the alloy powder, sulphide powder and nickel powder, pressing and shaping, sintering, re-pressing, and re-sintering are carried out to obtain the copper alloy, and the resulting copper alloy is thermally treated. | 05-12-2016 |
| 20160145726 | HIGH-RESISTIVITY PARTICLE-MATRIX COMPOSITE MATERIALS, DOWNHOLE TOOLS INCLUDING SUCH COMPOSITE MATERIALS, AND RELATED METHODS - A particle-matrix composite material comprises a metal alloy phase, the metal alloy having a resistivity of at least about seven hundred and fifty (750) nano-ohms per meter, and a composite phase comprising ceramic particles dispersed throughout portions of the metal alloy phase. The composite phase extends throughout the particle-matrix composite material in a substantially three-dimensional network, and regions of the composite phase at least partially surround regions of the metal alloy phase that are free of the ceramic particles. Methods of forming a particle-matrix composite body include coating particles of metal alloy with relatively finer particles of ceramic, partially compacting the coated particles of metal alloy, and heating the partially compacted particles of metal alloy to form a substantially continuous metal alloy matrix with ceramic particles dispersed therein. Downhole tools including components comprising particle-matrix composite materials are also disclosed. | 05-26-2016 |
| 20160175931 | MULTIFUNCTIONAL HIGH STRENGTH METAL COMPOSITE MATERIALS | 06-23-2016 |
| 20160379755 | MANUFACTURING METHOD FOR MAGNET AND MAGNET - A manufacturing method for a magnet includes: a step of obtaining mixed powder of magnetic powder and a lubricant; a step of mixing the mixed powder with an uncured binder that is a silicone composition to attach the binder to a surface of the mixed powder; a step of molding the mixed powder under pressure to obtain a molding, and a step of curing the silicone composition to bind particles of the magnetic powder together, | 12-29-2016 |
| 20170232516 | CONFORMAL MATERIAL AND SUPPORT STRUCTURES FOR ADDITIVE MANUFACTURING SYSTEMS AND METHODS OF USE THEREOF | 08-17-2017 |
