PROLONGED AGING OF AN Al-0. 22% Zr ALLOY.

被引：0
|
作者：
Hori, Shigenori
Saji, Shigeoki
Kobayashi, Tomio
机构：
来源：
Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals | 1973年 / 37卷 / 10期
关键词：
ALUMINUM METALLOGRAPHY;
D O I：
10.2320/jinstmet1952.37.10_1134
中图分类号：
学科分类号：
摘要：
Hardness and structural changes during aging of an Al0. 22% Zr alloy at 350, 400 and 450 degree C for 8 to 10 hr were studied. In the initial stages of aging, rod shaped precipitates were formed behind moving grain boundaries. Growth of these precipitates due to a grain boundary reaction was retarded by development of precipitation within the grains. Plate like precipitates were sparsely observed within grains. These precipitates and the precipitates due to the grain boundary reaction have no essential role in the age hardening of this alloy.
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页码：1134 / 1138
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