钟振前,田志凌,唐树平

• 1:钢铁研究总院分析测试所
• 2:武汉钢铁(集团)公司研究院

摘要(Abstract)：

通过实验和有限元计算研究了条状夹杂物对0Cr16Ni5Mo钢中氢扩散过程的影响。结果表明:氢扩散在含条状夹杂物的钢中呈各向异性,当条状夹杂物长度与氢渗透方向平行时,夹杂物中的氢呈梯度分布可以加速氢的扩散,氢在钢中的表观扩散系数会明显增大;当条状夹杂长度与氢渗透方向垂直时,夹杂物发挥对氢的陷落作用而使氢在钢中的表观扩散系数会降低。此外,条状夹杂物的变形延伸量也会影响氢的扩散,在与夹杂物长度平行的方向上,夹杂物的变形量越大,氢表观扩散系数和扩散通量越大。

关键词(KeyWords)： 0Cr16Ni5Mo钢;氢;条状夹杂物;扩散系数;溶解度

Abstract:

Keywords:

基金项目(Foundation): 中国应急分析平台

作者(Author): 钟振前,田志凌,唐树平

DOI: 10.13289/j.issn.1009-6264.2016.02.015

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