Alloys or metallic compositions – Ferrous – 1.5 percent or more manganese containing – but less than 8...
Patent
1992-10-16
1994-08-16
Wyszomierski, George
Alloys or metallic compositions
Ferrous
1.5 percent or more manganese containing, but less than 8...
420121, 420127, 420435, 420581, 75246, 75255, C22C 3802, C22C 3804, C22C 3810
Patent
active
053385080
ABSTRACT:
There is provided alloy steel powders for the injection molding use manufactured by the atomizing method which are characterized by their substantially spherical particle shape and average particle diameters of 20 microns or less, a compound for the injection molding use which contains the alloy steel powders and one or more organic binders, a process for manufacturing sintered materials in performing injection molding of compound and subsequently debinding the obtained injection molded part followed by sintering the debound part, at least the first stage of the sintering step is performed in reduced pressure atmosphere, and the sintered material having a relative density ratio of 92% or more.
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Effects of Si, Mn and C on metallurigical properties of water atomized SUS 316 stainless steel powders, T. Kato and K. Kusaka, "Powders and Powder Metallurgy 22(1)" pp. 1-31, Mar. 1975.
Habu Yasuhiro
Kiyota Yoshisato
Makiishi Yukio
Nitta Minoru
Ohtsubo Hiroshi
Kawasaki Steel Corporation
Miller Austin R.
Wyszomierski George
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