期刊
MATERIALS AND MANUFACTURING PROCESSES
卷 25, 期 8, 页码 837-841出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10426910903496862
关键词
Cryogenic treatment; Magnesium; Mechanical property; Microstructure
资金
- National Natural Science Foundation of China [50804015]
The effect of cryogenic treatment (77K) on the microstructure and mechanical properties of magnesium and AZ31 magnesium alloy has been investigated in this article. The results show that tensile stress and the hardness of the samples treated in a cryogenic environment are higher than those of the untreated samples. The improvement of mechanical properties is highly dependent on the soaking time. The main reason for the improvement of mechanical properties could be ascribed to the generation of a type of oframe-likeo twinning during the cryogenic treatment, which also leads to the evolution of grain orientation.
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