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Volume 31 Issue 5
Nov 2017
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Chinese Journal of High Pressure Physics  > 2017  >  31(5): 505-510.
ZHENG Jin-Yang, CUI Tian-Cheng, GU Chao-Hua, ZHANG Xin, FU Hai-Long. Effects of High Pressure Hydrogen on Mechanical Properties of 6061 Aluminum Alloy[J]. Chinese Journal of High Pressure Physics, 2017, 31(5): 505-510. doi: 10.11858/gywlxb.2017.05.001
Citation: ZHENG Jin-Yang, CUI Tian-Cheng, GU Chao-Hua, ZHANG Xin, FU Hai-Long. Effects of High Pressure Hydrogen on Mechanical Properties of 6061 Aluminum Alloy[J]. Chinese Journal of High Pressure Physics, 2017, 31(5): 505-510. doi: 10.11858/gywlxb.2017.05.001
shu

Effects of High Pressure Hydrogen on Mechanical Properties of 6061 Aluminum Alloy

doi: 10.11858/gywlxb.2017.05.001

  • Institute of Chemical Machinery and Process Equipment, Zhejiang University, Hangzhou 310027, China

  • Received Date: 28 Nov 2016
  • Rev Recd Date: 15 Feb 2017
    Abstract
  • The 6061 aluminum alloy is an important raw material for aluminum liner carbon fiber full-wrapped composite gas cylinders, whose hydrogen compatibility determines to a great degree the safety and reliability of gas cylinders.However, the data is lacking in China concerning its hydrogen compatibility.In order to investigate the effects of high pressure hydrogen on the mechanical properties of the domestically fabricated 6061 aluminum alloy, the slow strain rate tests and fatigue crack growth rate tests for it were carried out under two heat treatment conditions.The test results show that the 6061 aluminum alloy has good compatibility with hydrogen, and hydrogen has little effect on its slow strain rate tensile properties and fatigue crack growth properties.Meanwhile, it was also found that heat treatment has little influence on its hydrogen embrittlement sensitivity.

     

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