Microstructural characterization of Ni-201 weld cladding onto 304 stainless steel
Shi, XW; Yu, K; Jiang, L; Li, CW; Li, ZJ; Zhou, XT
2018
发表期刊SURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
卷号334页码:19-28
文章类型期刊论文
摘要Ni-201(ERNi-1), a cladding layer which is resistant to the corrosion of molten salts, was deposited on 304SS substrate by Gas Tungsten Arc Welding (GTAW). Microstructure characterization showed that the cladding interface was obviously divided into three zones from microstructures along depth, weld metal (WM), unmixed zone (UZ) and heat affected zone (HAZ). Element distribution presented that elements Ti, N, Si were segregated into interdendritic region of WM and formed the TiN precipitates during the solidification. The element distribution of UZ was similar to that of HAZ. A large quantity of vermicular delta-ferrite phases were precipitated in laminar UZ. Grain coarsening in HAZ was evident compared with the grains in base metal, and no precipitates were found in HAZ. The hardness of cladding layers was decreased from interface to surface. The cladding layer exhibited excellent corrosion resistance to molten FLiNaK salts.
关键词Austenitic Stainless-steel Term Thermal Exposure Salt Reactor Msr Gh3535 Superalloy Corrosion Solidification Temperature Behavior Alloy Tin
DOI10.1016/j.surfcoat.2017.11.023
收录类别SCI
语种英语
WOS记录号WOS:000423894700003
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29073
专题中科院上海应用物理研究所2011-2018年
作者单位1.Shi, XW
2.Yu, K
3.Jiang, L
4.Li, CW
5.Li, ZJ
6.Zhou, XT
推荐引用方式
GB/T 7714
Shi, XW,Yu, K,Jiang, L,et al. Microstructural characterization of Ni-201 weld cladding onto 304 stainless steel[J]. SURFACE & COATINGS TECHNOLOGY,2018,334:19-28.
APA Shi, XW,Yu, K,Jiang, L,Li, CW,Li, ZJ,&Zhou, XT.(2018).Microstructural characterization of Ni-201 weld cladding onto 304 stainless steel.SURFACE & COATINGS TECHNOLOGY,334,19-28.
MLA Shi, XW,et al."Microstructural characterization of Ni-201 weld cladding onto 304 stainless steel".SURFACE & COATINGS TECHNOLOGY 334(2018):19-28.
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