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个人信息Personal Information
教授
博士生导师
硕士生导师
任职 : 大连理工大学宁波研究院
性别：男
毕业院校：清华大学
学位：博士
所在单位：材料科学与工程学院
学科：材料加工工程
办公地点：辽宁省凝固控制与数字化制备技术重点实验室/大连理工大学铸造中心401
联系方式：0411-84709500
电子邮箱：eyguo@dlut.edu.cn
The role of nickel in mechanical performance and corrosion behaviour of nickel-aluminium bronze in 3.5 wt.% NaCl solution
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论文类型：期刊论文
发表时间：2018-07-15
发表刊物：CORROSION SCIENCE
收录刊物：SCIE
卷号：139
页面范围：333-345
ISSN号：0010-938X
关键字：Nickel-aluminium bronze; Nickel; TEM; EIS; Mass loss; Selective phase corrosion
摘要：The mechanical properties and corrosion behaviour in 3.5 wt.% NaCl solution of as-cast nickel-aluminium bronze (NAB) alloys with four Ni contents were investigated. The increase in Ni content leads to more precipitated kappa phases, therefore improving the yield strength and hardness of the NAB alloys. Ni addition was found to significantly suppress the formation of corrodible beta' phase and increase the Ni concentration in alpha solid solution. The electrochemical impedance spectroscopic and static immersion tests showed that the increase in Ni content (4.5-10 wt.%) improved the corrosion resistance of the NAB alloys in 3.5 wt.% NaCl solution.