Phosphorus containing steel powder and a method of...

Details Phosphorus containing steel powder and a method of... Phosphorus containing steel powder and a method of...

C - Chemistry, Metallurgy

22

C

75/1

C22C 33/02 (2006.01) C22C 38/00 (2006.01)

Patent

CA 1084308

ABSTRACT OF THE DISCLOSURE The risk of brittleness occurring in articles manufactured by powder metallurgy techniques from sintered steel containing phosphorus is significantlyreduced through the use of a steel powder which is substantially free of phosphorus but is intimately mixed with ferrophosphorus powder having a phosphorus content in excess of 2.8 weight - % in such an amount that the phosphorus content of the mixture is 0.2 - 1.5 weight - % the ferrophosphorus powder having a carbon content exceeding 0.3 weight - %.

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