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author:

王钦娟 (王钦娟.) [1] | 刘东 (刘东.) [2] (Scholars:刘东)

Indexed by:

Scopus CSCD

Abstract:

研究了铸造SAF2906超级双相不锈钢在850℃敏化不同时间的微观组织,通过研究扫描速率、介质成分和介质温度优化了双环电化学动电位再活化法(DL-EPR),得出DL-EPR评价SAF2906钢晶间腐蚀敏感性的最优条件为:溶液介质1.0 mol/L HCl+2.0 mol/L H2 SO4,溶液温度为30℃,扫描速率为1 mV/s.并用该优化方法,研究了SAF2906双相不锈钢的耐晶间腐蚀性能.结果表明:随敏化时间延长,σ相含量增多,晶间腐蚀敏感性也随之增加.通过对比不同敏化温度下SAF2906钢的腐蚀形貌,验证了DL-EPR评价铸造SAF2906钢耐晶间腐蚀性能的可靠性.

Keyword:

双环电化学动电位再活化法 双相不锈钢 敏化 晶间腐蚀

Community:

  • [ 1 ] [王钦娟]福建船政交通职业学院
  • [ 2 ] [刘东]福州大学

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Source :

金属热处理

ISSN: 0254-6051

CN: 11-1860/TG

Year: 2018

Issue: 12

Volume: 43

Page: 52-58

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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