Cryogenic mechanical behavior of 5000-and 6000-series aluminum alloys: Issues on application to offshore plants

被引：79

作者：

Park, Doo-Hwan ^{[1
]}

Choi, Sung-Woong ^{[2
]}

Kim, Jeong-Hyeon ^{[1
]}

Lee, Jae-Myung ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Naval Architecture & Ocean Engn, Busan 609735, South Korea

[2] Korea Inst Machinery & Mat, Dept Extreme Energy Syst, Taejon 305343, South Korea

来源：

CRYOGENICS | 2015年 / 68卷

基金：

新加坡国家研究基金会;

关键词：

Aluminum alloy; Cryogenic mechanical test; Fracture; Strain rate sensitivity; Scanning electron microscopy (SEM); DIFFERENT STRAIN RATES; LOW-TEMPERATURE; MG ALLOY; FLOW;

D O I：

10.1016/j.cryogenics.2015.02.001

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The mechanical behavior of aluminum alloys was investigated in terms of four aspects: temperature, strain rate, material type, and fracture shape. The candidate materials were 5000- and 6000-series alloys. The material characteristics were investigated and summarized as a function of low temperature (110293 K) and quasi-static strain rate (10(-4) and 10(-2) s(-1)). The results confirmed that the strength and ductility of aluminum alloys improved with a decrease in the temperature. The aluminum alloys showed a strain rate effect only in terms of the ductility of the 5000-series alloys. In addition, fractography analyses were performed on the fracture specimens to explain the material behavior at cryogenic temperatures. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：44 / 58

页数：15

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