汽车零部件氢致断裂的分析及预防
Physical Testing and Chemical Analysis(Part A:Physical Testing)(2010)
Abstract
对氢脆的机理、氢脆的断口形貌、氢脆的表观形式、影响氢脆的因素、氢脆的预防以及氢脆的检查分别进行了介绍,并通过对汽车生产中典型氢致断裂案例的分析和研究,对氢脆断口形貌提出了判定依据:脆性断口、沿晶断裂、显微气孔、二次裂纹、发线花纹。并依据氢脆发生的机理和主要影响因素,强调对于高强度零件及时有效地进行去氢处理的重要性。
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Key words
auto parts,hydrogen embrittlement,fracture character,preventing of hydrogen embrittlement
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