稀土元素对10CrNi3MoV钢药芯焊丝抗腐蚀性能的影响

IF 1.5 Q4 ELECTROCHEMISTRY

International Journal of Corrosion Pub Date : 2018-06-12 DOI:10.1155/2018/4071352

Kai Wang, Qinghua Lu, Zexin Jiang, Y. Yi, Jianglong Yi, B. Niu, Jinjun Ma, Huiping Hu

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引用次数: 3

摘要

我们对用于生产高强度低合金钢（HSLA）焊缝的药芯焊丝中稀土元素（REE）的含量进行了改进。研究了稀土元素对焊接金属微观结构以及力学和电化学性能的影响。稀土元素修饰的焊接金属在电化学阻抗谱和动电位极化测试中表现出非常不同的响应。结果表明，添加0.3wt.%的稀土元素有助于获得更均匀的微观结构，并提高焊接金属的机械性能和耐腐蚀性。

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Effect of Rare-Earth Elements on the Corrosion Resistance of Flux-Cored Arc-Welded Metal with 10CrNi3MoV Steel

We modified the content of rare-earth elements (REE) in the flux-cored wire used to produce welds of high-strength low-alloy (HSLA) steel. The effect of REE addition on the microstructure as well as on the mechanical and electrochemical properties of the welded metal (WM) was investigated. REE-modified welded metals show very different responses during electrochemical impedance spectroscopy and the potentiodynamic polarization tests. The results indicate that the addition of REE of 0.3 wt.% facilitates a more uniform microstructure and improves both mechanical properties and corrosion resistance in welded metals.

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来源期刊

International Journal of Corrosion ELECTROCHEMISTRY-

CiteScore

5.70

自引率

0.00%

发文量

审稿时长

14 weeks