A study on stress corrosion cracking and hydrogen embrittlement of AZ31 magnesium alloy

Song, R.G., Blawert, C, Dietzel, W. and Atrens, A. (2005) A study on stress corrosion cracking and hydrogen embrittlement of AZ31 magnesium alloy. Materials Science and Engineering A - Structural Materials Properties Microstructure And Processing, 399 1-2: 308-317.


Author Song, R.G.
Blawert, C
Dietzel, W.
Atrens, A.
Title A study on stress corrosion cracking and hydrogen embrittlement of AZ31 magnesium alloy
Journal name Materials Science and Engineering A - Structural Materials Properties Microstructure And Processing   Check publisher's open access policy
ISSN 0921-5093
Publication date 2005-06-15
Sub-type Article (original research)
DOI 10.1016/j.msea.2005.04.003
Volume 399
Issue 1-2
Start page 308
End page 317
Total pages 10
Place of publication Lausanne
Publisher Elsevier Science Sa
Language eng
Subject C1
671004 Castings
291499 Materials Engineering not elsewhere classified
Abstract The stress corrosion cracking (SCC) behavior and pre-exposure embrittlement of AZ31 magnesium alloy have been studied by slow strain rate tensile (SSRT) tests in this paper. It is showed that AZ31 sheet material is susceptible to SCC in distilled water, ASTM D1.387 solution, 0.01 M NaCl and 0.1 M NaCl solution. The AZ31 magnesium alloy also becomes embrittled if pre-exposed to 0.01 M NaCl solution prior to tensile testing. The degree of embrittlement increased with increasing the pre-exposure time, It is proposed that both the pre-exposure embrittlement and SCC were due to hydrogen which reduces the cohesive strength. i,e,. hydrogen embrittlement, (c) 2005 Elsevier B.V. All rights reserved.
Keyword Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Magnesium Alloys
Stress Corrosion Cracking
Hydrogen Embrittlement
Grain-boundary Segregation
Mg-al Alloy
Mechanical-properties
Aluminum-alloy
Fracture
Q-Index Code C1

 
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