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Acta Metall Sin  1979, Vol. 15 Issue (3): 323-440    DOI:
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EFFECT OF HYDROGEN ON THE MARTENSITIC TRANSFORMATION IN A 18-8 AUSTENITIC STAINLESS STEEL
Gao Peiyu Beijing Institute of Iron and Steel Technology
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Gao Peiyu Beijing Institute of Iron and Steel Technology. EFFECT OF HYDROGEN ON THE MARTENSITIC TRANSFORMATION IN A 18-8 AUSTENITIC STAINLESS STEEL. Acta Metall Sin, 1979, 15(3): 323-440.

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Abstract  Martensitic transformation of a 18-8 austenitic stainless steel cathodically charg-ed of hydrogen has been investigated by means of optical microscopy, scanningelectron microscopy and X-ray analysis. It is shown that hydrogen promotes thetransformation of martensite and the α′-martensite is formed next to the ε-marten-site, accompanied by the formation of surface microcracks. The effect of hydrogenon crystal defects has been regarded to be responsible for the aforementionedphenomena in such steel.
Received:  18 March 1979     
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