Experimental and Analytical Study of Influence of Hydrogen-Lattice Defects Interaction on Fracture Behavior of Steels

氢脆是一种众所周知的现象，氢气会降低材料的强度。为了保证氢能的安全使用，迫切需要弄清氢脆的机理。在本研究中，通过氢与晶格缺陷之间的相互作用，研究了氢在钢中的作用。各种模拟分析的结果表明，氢促进了晶格缺陷的增殖，并显著改变了它们的迁移率。

Hydrogen embrittlement is a well-known phenomenon where ydrogen lowers the strength of materials. In order to ensure the safe use of hydrogen nergy, there is a pressing need to clarify the mechanism of hydrogen embrittlement. n this study, the roles of hydrogen in a steel were studied by focus on interactions etween hydrogen and lattice defects. As a result of various simulation analyses, t was revealed that hydrogen enhances multiplication of lattice defects, and ignificantly changes their mobility.