C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 9/04 (2006.01) C22C 18/02 (2006.01)
Patent
CA 2103897
2103897 9215718 PCTABS00016 Machinable copper alloys having a reduced lead concentration are disclosed. An additive to the alloy accumulates both at the grain boundaries and intragranularly. The additive facilitates chip fracture or lubricates the tool. One additive is a mixture of bismuth and lead (10) with the lead concentration below about 2 % by weight.
Breedis John F.
Caron Ronald N.
Crane Jacob
Mandigo Frank N.
Mcdevitt David D.
Olin Corporation
Swabey Ogilvy Renault
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