61
Sidney G Roberts: Powder metallurgy. Kaiser Aluminum & Chemical Corporation, Paul E Calrow, Edward J Lynch, August 1, 1978: US04104061 (24 worldwide citation)

The invention relates to an improved method of removing gaseous or volatile contaminants from metal powders or porous compacts thereof wherein the powder or compact is subjected to a procedure comprising vacuum treatment, back filling with an innocuous depurative gas and another vacuum treatment to ...


62
Leonard G Marianowski, Terry D Claar: High temperature fuel cell wet seal. Institute of Gas Technology, Thomas W Speckman, April 1, 1986: US04579788 (24 worldwide citation)

High temperature fuel cell wet seal strips around the periphery of a separator plate fabricated utilizing powder metallurgy technique. The material composition of said wet seal may be variably graded to afford ease of bonding of said wet seal with the separator plate on one side and provide corrosio ...


63
Abe Toshihiko, Hashimoto Hitoshi, Boku Youko, Saito Yoshinobu, Takeda Hiromasa, Oikawa Hirokatsu: Alti series alloy sputtering target, wear resistant alti series alloy hard film and formation of the film. Agency Of Ind Science &Amp Technol, Tohoku Tokushuko, October 24, 2000: JP2000-297365 (24 worldwide citation)

PROBLEM TO BE SOLVED: To improve the hardness, oxidation resistance, adhesion with a base material or the like of a film formed on a cutting tool, a sliding member, a metal working tool or the like, to provide it with balanced characteristics, to execute stable film formation and to improve the serv ...


64
Benjamin John Stanwood: Dispersion strengthened electrical heating alloys by powder metallurgy. The International Nickel Company, May 2, 1972: US3660049 (23 worldwide citation)

This invention relates to the powder metallurgy of wrought, dispersion strengthened, electrical heating elements characterized metallographically by a uniform distribution of dispersoids in both the longitudinal and transverse directions, and also to a powder metallurgy method for producing the same ...


65
Harold A Sreshta, Eric F Drake: Hardmetal facing for rolling cutter drill bit. Camco International, August 5, 1997: US05653299 (23 worldwide citation)

A steel tooth rolling cutter earth boring drill bit comprises a bit body with a threaded upper end for attachment to the end of a drill string, and a lower end comprising three legs extending downwardly from the bit body and with a rolling cutter rotatably mounted on each leg. A layer of wear resist ...


66
Walter T Haswell, August Kasak: Powder-metallurgy steel article with high vanadium-carbide content. Crucible, Clair X Mullen Jr, February 10, 1981: US04249945 (23 worldwide citation)

A powder metallurgy tool steel article for use in applications requiring high wear resistance having a carbide content of 10 to 18 volume percent of substantially all MC-type vanadium carbides, which carbides are substantially spherical and uniformly dispersed; the carbon content of the article is b ...


67
Hiroyuki Okazaki, Kenji Ushitani, Katsuji Tokukura, Hitoshi Yamamoto: Seat reclining mechanism. Aisin Seiki Kabushiki Kaisha, Japan Powder Metallurgy, Burns Doane Swecker & Mathis, June 9, 1998: US05762400 (22 worldwide citation)

A seat reclining mechanism is provided in which engagement of a first engaging portion and a second engaging portion is performed in the vicinity of the center of a pawl in its width direction, without providing a member protruding in the thickness direction of the pawl and without reducing the stre ...


68
John A Regalbuto: Apparatus and method for vacuum hot press joining, compacting and treating of materials. General Dynamics Corporation, Charles E Schurman, July 27, 1976: US03971875 (22 worldwide citation)

Apparatus and method for joining, compacting and thermo-mechanically processing materials under controlled application of heat and evenly distributed mechanical pressure in a vacuum or inert gas environment, having particular usefulness in diffusion bonding, powder metallurgy, vacuum brazing and mat ...


69
Moti Ochayon, Arie Falk: Cutting insert. Iscar, Pennie & Edmonds, February 4, 1997: US05598751 (22 worldwide citation)

A cutting insert having a cutting head and a coupling shank integral at one end thereof with the cutting head and including a screw threaded portion. The cutting insert is formed by a powder metallurgy process of compacting and sintering and the screw threaded portion is constituted by a substantial ...


70
Edward R Slaughter: Titanium-diboride dispersion strengthened iron materials. United Technologies Corporation, Charles E Sohl, December 6, 1983: US04419130 (22 worldwide citation)

A class of iron base materials which derive improved properties from the presence of a finely dispersed titanium diboride phase is described. The materials comprise a ferrous matrix containing a fine relatively uniform dispersion of titanium diboride particles are typically less than 0.1 micron in d ...



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