Precipitation in lead-calcium alloys containing tin

被引：18
|
作者：
Tsubakino, H [1 ]
Tagami, M [1 ]
Ioku, S [1 ]
Yamamoto, A [1 ]
机构：
[1] HIMEJI INST TECHNOL,TEM LAB,DEPT MAT SCI & ENGN,HIMEJI,HYOGO 67122,JAPAN
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1996年 / 27卷 / 06期
关键词：
D O I：
10.1007/BF02649824
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of Sn addition on the precipitation in Pb-Ca binary alloys has been studied by means of metallographic observations, hardness and resistivity measurements, and transmission electron microscopy (TEM) observations. With increasing Sn content, the cell advance of discontinuous precipitation is retarded and continuous precipitation occurs preferentially in higher Sn content alloys. The amount of Sn necessary for the retardation is higher for higher Ca contents. The retardation effect is attributed to the segregation of Sn at advancing cell boundaries. Precipitates in ternary alloys are Ll(2)-type ordered (Pb, Sn),Ca.
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页码：1675 / 1682
页数：8
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