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Substructure Improves Properties of Lead Alloys.

Authors
Tilman-MM; Neumeier-LA
Source
Met Trans 1973 Aug; 4:1997-1999
Link
NIOSHTIC No.
10010719
Abstract
Substructure in a pb-1.4 Cd-1.6 Sb alloy increases creep resistance at 700 psi by a factor of 3.6 X 104 and increases tensile strength by approximately 21 percent without serious loss of ductility. In pb-1 sb alloy, substructure increases 700 psi creep resistance by a factor of 45 and tensile strength by approximately 9 percent, again without significant loss of ductility. Polygonized substructure was developed in pb-1.4 Cd-1.6 Sb sheet, which had been previously rolled to 1/16-inch at 125 deg c, by one or more cycles of rolling at room temperature to 4 percent reduction in a single pass, annealing at 200 deg c for 4 hours, and air cooling. In the pb-1 sb alloy, polygonized substructure was developed by initial rolling at room temperature, annealing at 220 deg c and then rolling in one pass to 5 percent reduction at 175 deg c and air cooling.
Publication Date
19730801
Document Type
OP;
Fiscal Year
1973
NTIS Accession No.
NTIS Price
Identifying No.
OP 138-73
NIOSH Division
RORC;
Source Name
Met. Trans., V. 4, August 1973, PP. 1997-1999
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