热处理工艺对Mg-Nd-Gd-Zn稀土镁合金组织与性能的影响  

Effect of heat treatment on the microstructure and mechanical properties of Mg-Nd-Gd-Zn alloy

作　　者：张志俊[1] 

机构地区：[1]长春工程学院机电学院,吉林长春130012

出　　处：《轻金属》2010年第1期51-53,共3页Light Metals

摘　　要：研究了热处理工艺对Mg-Nd-Gd-Zn镁合金性能的影响。结果表明,采用适当的热处理工艺可细化镁合金的显微组织,并改善镁合金的机械性能。在200℃/2h热处理,会提高合金硬度;在热处理工艺为530℃×2 h空冷或淬火后再热处理200℃×2 h的情况下,合金的显微硬度与抗拉强度显著提高。Effect of heat treatment process on the microstructure and properties of Mg - Nd - Gd - Zn alloy were investigated. The results show that appropriate heat treatment may refine the microstructure of the alloy, and improve its mechanical properties. The optimum heat treatment process of Mg - Nd - Gd - Zn alloy is 530℃ for 2 h and then aging at 200℃ for 2 h. After heat treating, the alloy possessed better micro - hardness and tensile strength.

关 键 词：Mg—Nd—Gd—Zn镁合金 热处理工艺 徽观组织 力学性能 

分 类 号：TG166[金属学及工艺—热处理]