STUDY OF HYDROGEN DISTRIBUTION AND DIFFUSION BEHAVIOUR IN HIGH PRESSURE HYDROGEN CHARGED AUSTENITIC STEEL BY IMMA

Acta Metall Sin

1988, Vol. 24

Issue (6): 505-510 DOI:

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STUDY OF HYDROGEN DISTRIBUTION AND DIFFUSION BEHAVIOUR IN HIGH PRESSURE HYDROGEN CHARGED AUSTENITIC STEEL BY IMMA

MA Luming;LI Yiyi;LIU Shuwang;CHEN Lian Institute of Metal Research; Academia Sinica; Shenyang

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MA Luming;LI Yiyi;LIU Shuwang;CHEN Lian Institute of Metal Research; Academia Sinica; Shenyang. STUDY OF HYDROGEN DISTRIBUTION AND DIFFUSION BEHAVIOUR IN HIGH PRESSURE HYDROGEN CHARGED AUSTENITIC STEEL BY IMMA. Acta Metall Sin, 1988, 24(6): 505-510.

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Abstract The hydrogen distribution curve along cross-section of austenitic steel21Cr-7Ni-9Mn-N was obtained quantitatively by IMMA (Ion Microprobe MassAnalyzer) with high pressure hydrogen charging specimen. Thus, the hydrogen sol-ubility and diffusivity may be measured as well as the hydrogen permeability andother parameters may be calculated indirectly. The hydrogen distribution in speci-mens either long-term aged in air or electron beam weld seam after high pressurehydrogen charged was also examined.

Key words: High pressure hydrogen charging ion microprobe analysis austenitic steel diffusion

Received: 18 June 1988

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1988/V24/I6/505

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