纳米化处理对锆合金腐蚀性能的影响

Effects of Surface Nanocrystrall Ization on the Corros Ion Properties of Zirconium a lloys

讨论了表面纳米化处理对锆合金的抗腐蚀性能的影响。对于具有表面纳米及超细晶组织的锆合金来说,其腐蚀性能的影响因素不仅包括晶粒尺度,还包括合金成分、氧化膜的组织与性质、热处理工艺方法、表面状态、反应堆水化学等。而上述因素中的任何一个因素变化,都会导致材料腐蚀性能改变。因此对于锆合金纳米化后腐蚀性能研究,应从全方位考虑,从而对锆合金的腐蚀性能有一个全方位的认识。

This art icle discussed a superf icial nanom eter processing to the Zircaloy co fro sion resistanceperfo rrn ance influence. Fo r a su rface nanom eter and the u It ra finer organ izat ion＇ s zirealoy, it sco fro sion p roperty influence facto r no t on ly includes the grain size, but also includes the alloycompo sit ion, the oxide f ilm organ izat ion and the natu re, the heat t reatm ent techn ique, the su rfacecondit ion, chemist ry of reacto r coo lan t, and so on. A ny one of these facto rs change w ill lead toco rro sion property can be change. Therefo re, th is k ind of research should be carried on t carefu lly.