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Kazuhiko Yamamoto, Yuichi Miyake, Chikara Okada: Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet. Santoku Metal, Darby and Darby, January 24, 1995: US05383978 (44 worldwide citation)

An alloy ingot for permanent magnet consists essentially of rare earth metal and iron and optionally boron. The two-component alloy ingot contains 90 vol % or more of crystals having a crystal grain size along a short axis of 0.1 to 100 .mu.m and that along a long axis of 0.1 to 100 .mu.m. The three ...


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Shinyao Yao, Hideo Yokoi, Tadatoshi Murota, Kazuhiro Yamamoto, Shigeru Aozasa: Composite oxide having oxygen absorbing and desorbing capability and method for preparing same. Santoku Metal, Darby & Darby P C, December 3, 1996: US05580536 (24 worldwide citation)

A composite oxide having oxygen absorbing and desorbing capability contains 4.99-98.89% by weight of cerium oxide, 1-95% by weight of zirconium oxide, 0.01-20% by weight of hafnium oxide, and 0.1-10% by weight of an additional metal oxide selected from titanium oxide, tungsten oxide, nickel oxide, c ...


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Ranjan Ray, Donald W Scott: Centrifugal casting of titanium alloys with improved surface quality, structural integrity and mechanical properties in isotropic graphite molds under vacuum. Santoku America, Stevens Davis Miller & Mosher, August 17, 2004: US06776214 (24 worldwide citation)

Methods for making various titanium base alloys and titanium aluminides into engineering components such as rings, tubes and pipes by melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent centrifugal casting of the melt in the graphite molds rotating along its ...


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Akihito Kaneko: Rare earth metal-nickel hydrogen storage alloy, process for producing the same, and anode for nickel-hydrogen rechargeable battery. Santoku Metal, Darby & Darby, November 24, 1998: US05840166 (20 worldwide citation)

A rare earth metal-nickel hydrogen storage alloy having a composition represented by the formula (1) (R.sub.1-x L.sub.x) (Ni.sub.1-y M.sub.y).sub.z . . . (1) (R: La, Ce, Pr, Nd; L: Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc, Mg, Ca; M: Co, Al, Mn, Fe, Cu, Zr, Ti, Mo, Si, V, Cr, Nb, Hf, Ta, W, B, C; 0.05. ...


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Shinya Yao, Hideo Yokoi, Tadatoshi Murota, Kazuhiro Yamamoto, Shigeru Aozasa: Composite oxide having oxygen absorbing and desorbing capability. Santoku Metal, Darby & Darby P C, November 5, 1996: US05571492 (19 worldwide citation)

A composite oxide having oxygen absorbing and desorbing capability contains 4.99-98.99% by weight of cerium oxide, 1-95% by weight of zirconium oxide and 0.01-20% by weight of hafnium oxide. The composite oxide includes .PHI.' phase as a crystal phase and has oxygen absorbing and desorbing capabilit ...


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Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in anisotropic pyrolytic graphite molds under vacuum. Santoku America, Stevens Davis Miller & Mosher, March 16, 2004: US06705385 (19 worldwide citation)

Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with pyrolytic graphite. The molds may be made by making the substrate (main body) of high density, high strength ultrafine grained isotropic graphite, by, for ...


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Yamamoto Kazuhiko, Miyake Yuichi, Okada Chikara: Permanent magnet containing rare earth metal, boron and iron.. Santoku Metal, January 4, 1995: EP0632471-A2 (16 worldwide citation)

A permanent magnet is obtained by pulverizing, molding and sintering a starting material containing an alloy ingot. The alloy ingot contains not less than 90% by volume of prismatic crystals each having a prismatic crystal grain size of 0.1 to 50 mu m along a short axis thereof and a prismatic cryst ...


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Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in finegrained isotropic graphite molds under vacuum. Santoku America, Stevens Davis Miller & Mosher, October 5, 2004: US06799626 (15 worldwide citation)

Methods for making various metallic alloys such as nickel, cobalt and/or iron based superalloys, stainless steel alloys, titanium alloys and titanium aluminide alloys into engineering components by melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent casting ...



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