Alloys or metallic compositions – Ferrous – Processes
Patent
1986-01-17
1987-11-24
Brody, Christopher W.
Alloys or metallic compositions
Ferrous
Processes
420590, C22C 103, C22C 3304
Patent
active
047088478
ABSTRACT:
An alloy is made of a first material and a second material which has a substantially lower melting point than the first material, by (a) forming from the first material a body which has multiple fine interstices; (b) pouring the second material in the molten state around the body formed from the first material; and (c) allowing the resultant mass to cool. Thus, in the parts of the resultant mass in which the body formed from the first material was originally present, an alloy mass comprising the first metal and the second material alloyed together is made. Optionally, the body made from the first material may be preheated, desirably to a temperature higher than the melting point of the second material; and optionally the molten second material may be pressurized so as to enter into the interstices of the body. The first material may desirably be, for example, tungsten, cobalt, chromium, titanium, iron, nickel, silicon, manganese, copper, niobium, tantalum, vanadium, gold, silver, aluminum, molybdenum, zirconium, or zinc; and the second material may desirably be, for example, aluminum, magnesium, copper, lead, tin, or zinc.
REFERENCES:
patent: 2612443 (1952-09-01), Goetzel et al.
patent: 3125441 (1964-03-01), Lafferty et al.
patent: 3194656 (1965-07-01), Vordahl
patent: 3827883 (1974-08-01), Neely
patent: 4452865 (1984-06-01), Yamatsuta et al.
Donomoto Tadashi
Kubo Masahiro
Tanaka Atsuo
Tatematsu Yoshiaki
Brody Christopher W.
Toyota Jidosha & Kabushiki Kaisha
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