晶界工程处理对Incoloy 800 合金耐腐蚀性能和力学性能的影响

doi:10.3969/j.issn.1007-2861.2013.05.018

上海大学学报(自然科学版) ›› 2013, Vol. 13 ›› Issue (5): 540-544.doi: 10.3969/j.issn.1007-2861.2013.05.018

晶界工程处理对Incoloy 800 合金耐腐蚀性能和力学性能的影响

李钧1,2, 苏诚2, 张磊1, 邵羽2, 肖学山1, 周志江2

1. 上海大学材料研究所, 上海 200072; 2. 浙江久立特材科技股份有限公司, 浙江湖州 313012

收稿日期:2012-09-03 出版日期:2013-10-28 发布日期:2013-10-28
通讯作者: 李钧(1979—), 男, 博士后, 研究方向为不锈钢和特种钢. E-mail: junli@shu.edu.cn E-mail:junli@shu.edu.cn
作者简介:李钧(1979—), 男, 博士后, 研究方向为不锈钢和特种钢. E-mail: junli@shu.edu.cn

Effect of Grain Boundary Engineering on Corrosion Resistance and Mechanical Properties of Incoloy 800 Alloy

LI Jun1,2, SU Cheng2, ZHANG Lei1, SHAO Yu2, XIAO Xue-shan1, ZHOU Zhi-jiang2

1. Institute of Materials, Shanghai University, Shanghai 200072, China;
2. Zhejiang Jiuli Hi-Tech Metals Co., Ltd., Huzhou 313012, Zhejiang, China

Received:2012-09-03 Online:2013-10-28 Published:2013-10-28

摘要/Abstract

摘要： 通过扫描电子显微镜(scan electron microscopy, SEM)、光学显微镜和电化学工作站分析研究晶界工程(grain boundary engineering, GBE) 工艺对Incoloy 800 合金的耐蚀性能和力学性能的影响. Incoloy 800 合金在980 ℃ 固溶处理15 min, 冷轧5% 后在980 ℃退火15 min, 其耐晶间腐蚀能力和临界点蚀电位均显著提高, 抗拉强度和σ_0.2略有提高, 断后伸长率则变化不大.

关键词: 低∑CSL 晶界, 晶界工程, 力学性能, 耐蚀性能, Incoloy 800 合金

Abstract: This work investigates the effect of grain boundary engineering (GBE) on the corrosion resistance and mechanical properties of Incoloy 800 alloy by scan electron microscopy (SEM), optical microscopy and electrochemical workstation. The resistance to intergranular corrosion and critical pitting potential of Incoloy 800 alloy are improved significantly after specimens are solution treated at 980 ℃ for 15 min, followed by 5% rolling reduction and then annealed at 980 ℃ for 15 min. The tensile strength and σ_0.2 increase slightly, while the elongation rate changes little.

Key words: corrosion resistance, grain boundary engineering (GBE), low CSL (coincidence site lattice) grainboundary, mechanical property, Incoloy 800 alloy

中图分类号:

TG 142.7

李钧1,2, 苏诚2, 张磊1, 邵羽2, 肖学山1, 周志江2. 晶界工程处理对Incoloy 800 合金耐腐蚀性能和力学性能的影响[J]. 上海大学学报(自然科学版), 2013, 13(5): 540-544.

LI Jun1,2, SU Cheng2, ZHANG Lei1, SHAO Yu2, XIAO Xue-shan1, ZHOU Zhi-jiang2. Effect of Grain Boundary Engineering on Corrosion Resistance and Mechanical Properties of Incoloy 800 Alloy[J]. Journal of Shanghai University（Natural Science Edition）, 2013, 13(5): 540-544.

参考文献

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晶界工程处理对Incoloy 800 合金耐腐蚀性能和力学性能的影响

Effect of Grain Boundary Engineering on Corrosion Resistance and Mechanical Properties of Incoloy 800 Alloy

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