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热处理对ZM61镁合金组织与力学性能的影响
Effect of Heat Treatment on the Microstructure and Mechanical Properties of ZM61 Mg Alloy
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- DOI:
- 作者:
- 李伟莉 刘涛 王小刚 冯露露 于晨凯
LI Weili;LIU Tao;WANG Xiaogang;FENG Lulu;YU Chenkai
- 作者单位:
- 山西银光华盛镁业股份有限公司技术中心
Shanxi Wenxi Yinguang Huasheng Magnesium Co.,Ltd.,Wenxi 043800,China
- 关键词:
- ZM61 时效处理 力学性能 显微组织
ZM61 aging treatment mechanical properties microstructure
- 摘要:
- 通过对挤压态ZM61合金进行不同工艺的时效热处理,探究了时效工艺对ZM61合金显微组织及力学性能的影响。结果表明,进行双级时效热处理可以析出更多的GP区,且生成了更多的退火孪晶,使得合金的力学性能大幅度提高。经过双级时效处理后最终合金的抗拉强度,屈服强度和伸长率分别为345 MPa,323 MPa和8%。
The effect of aging process on microstructure and mechanical properties of ZM61 alloy was investigated by different aging processes.The results show that the two-stage aging treatment can precipitate more GP zones and generate more annealing twins,which greatly improves the mechanical properties of the alloy.The ultimate tensile strength,yield strength and elongation of the alloy after two-stage aging treatment are 345 MPa,323 MPa and 8%,respectively.