Use of Hardness and Electrical Conductivity Testing to Evaluate Heat Damage and Sensitization in 5083-H116 Al-Mg Alloys

被引:4
作者
Tzeng, Yu-Chih [1 ]
Lu, Cheng-Yu [2 ]
Kaliyaperumal, Kaliyaraj [3 ]
Chen, Ren-Yu [4 ]
机构
[1] Natl Def Univ, Chung Cheng Inst Technol, Dept Power Vehicle & Syst Engn, Taoyuan 33551, Taiwan
[2] Nation Kaohsiung Univ Sci & Technol, Dept Naval Architecture & Ocean Engn, Kaohsiung 81157, Taiwan
[3] Naval & Commercial Ship Design, Ottawa, ON K2L 4E6, Canada
[4] ROC Naval Acad, Dept Marine Mech Engn, Kaohsiung 81345, Taiwan
关键词
5083-H116; electrical conductivity; hardness; heat damage; Mg2Al3; sensitization; STRESS-CORROSION CRACKING; MECHANICAL-PROPERTIES; ANNEALING TEMPERATURE; ALUMINUM; PRECIPITATION; BEHAVIOR; AA5083;
D O I
10.1007/s11665-020-05105-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Detecting heat damage and eliminating the susceptibility to sensitization of wrought 5xxx series aluminum-magnesium alloys is of practical importance for the remediation of field structures. Electrical conductivity and hardness testing were employed to provide indirect evidence to assess the microstructural evolution of 5083-H116 alloys after annealing treatment at 150, 200, 250, 300, 350, 400, and 450 degrees C and sensitization treatment at 175 degrees C for 168 h. The findings indicate a strong relationship between the hardness, electrical conductivity, and degree of sensitization (DoS). This methodology can be used as a simple guide to quickly determine whether heat damage or sensitization exists.
引用
收藏
页码:6239 / 6246
页数:8
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