不同表面处理对316L钢焊缝耐液态铅铋腐蚀的影响

详细信息

Effect of different surface treatment on 316L steel welds in the liquid lead-bismuth alloy

1. China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen 518124, Guangdong, China;
2. Jiangsu Province Key Laboratory of High-end Structural Materials, Jiangsu university, Zhenjiang 212013, Jiangsu, China

摘要: 设计制造了一套耐高速流液态金属腐蚀试验装置，用以研究分别用不同号数砂纸打磨和不同抛光处理后的316L钢焊缝在550℃的流动(相对流速为2.62 m/s)液态铅铋合金中的腐蚀情况。研究发现各组试样都形成了双氧化层结构，内层主要为较疏松的Fe₃O₄，外层主要为较致密的FeCr₂O₄；表面粗糙度越小，元素传质过程越慢，高速流动的液态LBE磨蚀作用越小，316L钢焊缝的耐蚀性越好。
- 316L钢 /
- 焊缝 /
- 液态铅铋合金 /
- 表面处理 /
- 腐蚀
Abstract: A high-speed flow liquid metal corrosion test device was designed and manufactured to study the corrosion behavior of 316 L stainless steel welds with different grades of sandpaper and different polishing treatments in the flow liquid lead-bismuth alloy at 550 ℃（ relative flow rate of 2. 62 m/s）. The studies found that all the samples formed a double oxide layer structure,the inner layer is mainly loose Fe₃O₄,and the outer layer is mainly dense Fe Cr₂O₄. The smaller the surface roughness,the slower the element mass transfer process. The smaller the abrasive effect of the high-speed liquid LBE,the better the corrosion resistance of the 316 L steel weld.
- 316L stainless steel /
- weld /
- liquid lead-bismuth alloy /
- surface treatment /
- corrosion

[1]	吴宜灿,黄群英,柏云清,等. 液态铅铋回路设计研制与材料腐蚀实验初步研究[J]. 核科学与工程,2010, 30(3): 238-243.
[2]	马栩泉.核能开发与应用[M]. 北京:化学工业出版社, 2014.
[3]	Gromov B F, Belomitcev Y S, Yefimov E I, et al. Use of lead-bismuth coolant in nuclear reactors and accelerator-driven systems[J]. Nuclear Engineering & Design, 1997, 173(1):207-217.
[4]	Rao V S, Lim J, Hwang I S. Analysis of 316L stainless steel pipe of lead-bismuth eutectic cooled thermo-hydraulic loop[J]. Annals of Nuclear Energy, 2012, 48(12):40-44.
[5]	Martín-Muoz F J, Soler-Crespo L, Gómez-Briceo D. Assessment of the influence of surface finishing and weld joints on the corrosion/oxidation behaviour of stainless steels in lead bismuth eutectic[J]. Journal of Nuclear Materials, 2011, 416(1):80-86.
[6]	雷玉成,岳加佳,崔剑,等. 一种实验用真空电阻炉, ZL 201510777781.X U[P]. 2017.
[7]	戎利建.铅与铅铋共晶合金手册[M]. 北京:科学出版社, 2014.
[8]	Zhang Jinsuo, Li N. Review of the studies on fundamental issues in LBE corrosion [J]. Journal of Nuclear Materials, 2008, 373(1-3):351-377.

1.	王军健，李华鑫，李红菊，郑文健，闾川阳，马英鹤，任森栋，包士毅，贺艳明，杨建国. 静态腐蚀条件下铁素体/马氏体钢和奥氏体不锈钢与液态铅铋合金相容性研究进展. 强激光与粒子束. 2023(05): 138-149 . 百度学术
2.	常杰元，黎义斌，马文生，张人会，刘欣，牛腾. 叶顶间隙结构对轴流铅铋泵叶轮磨损特性的影响. 核技术. 2023(10): 56-64 . 百度学术
3.	崔鑫，薛飞，宋春男，彭娜，李勉. 激光金属沉积与冷金属过渡复合成形316L的组织与力学性能. 焊接. 2021(04): 19-24+63 . 本站查看
4.	李苑荟，邢孔才，王怡婷，陶巍，杨超. 不同表面处理方法在纳米混合树脂复合材料修复中的应用. 上海口腔医学. 2020(06): 591-595 . 百度学术
5.	朱敏，李闯，金明，赵国知，袁清，刘刚. U68CuCr耐蚀钢轨抗腐蚀性能研究. 武汉工程职业技术学院学报. 2020(04): 13-16 . 百度学术