Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent
1987-10-02
1990-03-20
Lechert, Jr., Stephen J.
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
75243, 75246, 420 9, 420 92, 420 93, 420 99, 420119, 420123, C22C 2906
Patent
active
049098438
ABSTRACT:
A highly wear-resistant sintered alloy is to be provided, with which, using conventional sintering technology and no additional hardening treatment, commodity parts are to be produced, which, in respect to their wear property are to be equivalent to chilled cast iron parts. They should have a surface roughness of approximately 50 Rockwell and only a slight shrinkage. This is accomplished with an iron-nickel-copper-molybdenum sintered alloy with addition of phosphorus, which contains a proportion of carbon, which exceeds the phosphorus added by at least a factor of 2. Essentially, the alloy has the following composition:
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patent: 4348232 (1982-09-01), Hiraoka et al.
patent: 4664706 (1987-05-01), Drozda
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Etablissement Supervis
Lechert Jr. Stephen J.
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