Recrystallization during the discontinuous precipitation of β-Sn in 95Pb-5Sn and 85Pb-15Sn solder alloys

被引：0

作者：

Hoseo Univ, Chungnam, Korea, Republic of ^{[1
]}

机构：

来源：

Scripta Mater | / 11卷 / 1677-1684期

关键词：

Aging of materials - Composition effects - Grain boundaries - Metallographic microstructure - Precipitation (chemical) - Recrystallization (metallurgy) - Soldering alloys - Solid solutions - Strain - Supersaturation - Thermal effects - Volume fraction;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The discontinuous precipitation (DP) microstructures of β-Sn were characterized by varying aging conditions in 95Pb-5Sn and 85Pb-15Sn alloys. The microstructure of the 95Pb-5Sn alloy showed DP cells growing concurrently with the migration of the original grain boundaries. The extraordinarily small cell size was attributed to the recrystallization during the DP process. A large degree of supersaturation in the solid solution resulted in a large misfit strain and provided a favorable condition for the recrystallization. The DP cells in the alloys became smaller with increasing Sn content and decreasing aging temperature.

引用