高压压铸AM系列镁合金的腐蚀与残余强度分析

Corrosion and Residual Strength Analysis of High Pressure Die Casting AM Series Mg Alloys.

作者信息

Zheng Tianxu, Hu Yaobo, Meng Wanqiu, Tang Aitao, Pan Fusheng

机构信息

State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China.

National Engineering Research Center for Magnesium Alloys, Chongqing 400044, China.

出版信息

Materials (Basel). 2019 Aug 17;12(16):2624. doi: 10.3390/ma12162624.

DOI:10.3390/ma12162624

PMID:31426528

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6720603/

Abstract

Higher pressure die casting (HPDC) AM series (Mg-Al-Mn) Mg alloys have wide application potential in the automobile industry. To promote its application, systematic investigation on the corrosion performance and corrosion residual strength of HPDC AM50+1Ce and AM60 was carried out. The corrosion of HPDC AM50+1Ce was more uniform, while the pitting corrosion of AM60 was more severe, and the mechanical properties of HPDC AM60 was more sensitive to corrosion. The residual strength of AM50+1Ce and AM60 after corrosion of 648 h was 199 MPa and 183 MPa, respectively. The findings can contribute to a better understanding of the corrosion and residual strength of HPDC AM series Mg alloys.

摘要

高压力压铸（HPDC）AM系列（镁-铝-锰）镁合金在汽车工业中具有广泛的应用潜力。为促进其应用，对HPDC AM50+1Ce和AM60的腐蚀性能及腐蚀残余强度进行了系统研究。HPDC AM50+1Ce的腐蚀更为均匀，而AM60的点蚀更为严重，且HPDC AM60的力学性能对腐蚀更敏感。腐蚀648小时后，AM50+1Ce和AM60的残余强度分别为199MPa和183MPa。这些发现有助于更好地理解HPDC AM系列镁合金的腐蚀和残余强度。