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首页> 外文期刊>Materials Science and Engineering >Plastic deformation and phase transformations in austenitic steels in the course of hydrogen charging and subsequent mechanical tests
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Plastic deformation and phase transformations in austenitic steels in the course of hydrogen charging and subsequent mechanical tests

机译：充氢和后续机械测试过程中奥氏体钢的塑性变形和相变

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This study aims to shed light on some uncertainty in the effect of hydrogen-induced e-martensite on mechanical behavior of hydrogen charged austenitic steels. It is shown that cathodic charging of austenitic steels is accompanied by plastic deformation, which creates the crystallographic texture and decreases plasticity during subsequent tensile tests. This deformation is the main reason for the hydrogen-induced γ→ε transformation. The e-martensite is formed in the hydrogen-rich areas of the austenite, which decreases the hydrogen content in the retained austenite. In case of a small fraction of the hydrogen-induced e-martensite, it can be additionally formed during subsequent mechanical tests due to trip effect, which diminishes the hydrogen loss of plasticity.
机译：这项研究旨在揭示氢诱导的马氏体对带氢的奥氏体钢力学行为的影响的某些不确定性。结果表明，奥氏体钢的阴极带电伴随着塑性变形，这会在随后的拉伸试验中产生晶体织构并降低可塑性。该变形是氢诱导的γ→ε相变的主要原因。电子马氏体在奥氏体的富氢区域中形成，这降低了残留奥氏体中的氢含量。如果氢诱导的马氏体的含量很小，由于脱扣效应，它可以在后续的机械测试中另外形成，从而减少了氢的可塑性损失。

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