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Journal of Shanghai University（Natural Science Edition） ›› 2011, Vol. 17 ›› Issue (4): 522-528.doi: 10.3969/j.issn.1007-2861.2011.04.019

• Material Science • Previous Articles     Next Articles

Grain Boundary Engineering Issues in Key Structural Materials Used for Nuclear Power Plants

XIA Shuang1,LI Hui2,ZHOU Bang-xin1,CHEN Wen-jue1,YAO Mei-yi1,LI Qiang2, LIU Wen-qing2,WANG Jun-an1,CHU Yu-liang2,PENG Jian-chao2,ZHANG Jin-long1   

  1. (1. Institute of Materials Science, Shanghai University, Shanghai 200072, China;2. Laboratory for Microstructures, Shanghai University, Shanghai 20444, China)
  • Online:2011-08-30 Published:2011-08-30

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Abstract: Grain boundary engineering （GBE） issues of Alloy 690 are briefly summarized. The work was carried out by the research group “Fundamental Issues of the Key Structural Materials for Nuclear Power Plants” at Shanghai University. By using advanced material characterization techniques, the microstructures were characterized to establish its relationship with the properties. This article presents the research findings in grain boundary segregation, carbide precipitation, grain boundary network control and its effect on the intergranular corrosion resistance.

Key words: Alloy 690, carbide, grain boundary engineering (GBE), grain boundary network, grain boundary segregation, intergranular corrosion, key structural materials for nuclear power plants

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