Investigation of segregation during oxidation of Ni-Cu alloy by in situ photoelectron spectroscopy

被引：5

作者：

Doi, Takashi ^{[1
]}

Nishiyama, Yoshitaka ^{[2
]}

Yoshigoe, Akitaka ^{[3
]}

Teraoka, Yuden ^{[3
]}

机构：

[1] Nippon Steel & Sumitomo Met Corp, Adv Technol Res Labs, 1-8 Fuso Cho, Amagasaki, Hyogo 6600891, Japan

[2] Nippon Steel & Sumitomo Met Corp, Steel Res Labs, 1-8 Fuso Cho, Amagasaki, Hyogo 6600891, Japan

[3] Japan Atom Energy Agcy, Quantum Beam Sci Ctr, 1-1 Kouto, Sayo, Hyogo 6795198, Japan

来源：

SURFACE AND INTERFACE ANALYSIS | 2016年 / 48卷 / 07期

关键词：

segregation; oxidation; insitu XPS; STAINLESS-STEEL;

D O I：

10.1002/sia.6001

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ni-based alloys has been widely used for plant application because of their high strength and excellent oxidation resistance. In particularl, the addition of Cu in Ni-based alloys significantly improves the metal dusting resistance. It is indicated that Cu is segregated on the alloy surface in the metal dusting environment; however, the details have not been clarified yet. The behavior of Ni-2Cu alloy under a high temperature oxidation environment was investigated using in situ X-ray photoelectron spectroscopy. It was confirmed that Cu have been segregated at the surface of Ni-2Cu alloy during oxidation. These results propose that the Cu segregation improves the metal dusting resistance. Copyright (c) 2016 John Wiley & Sons, Ltd.

引用

页码：685 / 688

页数：4

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