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脆变 [cuì biàn]
{化} embrittlement
- 脆变—由于物理或化学变化而导致延展性的减小。
Embrittlement—Reduction in ductility due to physical or chemical changes. - 阴极保护，磷化反应，酸洗和电镀都会造成氢脆变。
Processes which can lead to this include cathodic protection, phosphating, pickling, and electroplating. - 如果金属在加工或使用过程中接触到氢原子或氢分子的话，会产生氢脆变。
Hydrogen embrittlement can happen during various manufacturing operations or operational use, anywhere where the metal comes in contact with atomic or molecular hydrogen.
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