The irradiation hardening of Ni-Mo-Cr and Ni-W-Cr alloy under Xe26+ ion irradiation

被引：19

作者：

Chen, Huaican ^{[1
,2
]}

Hai, Yang ^{[3
]}

Liu, Renduo ^{[2
]}

Jiang, Li ^{[2
]}

Ye, Xiang-xi ^{[2
]}

Li, Jianjian ^{[2
]}

Xue, Wandong ^{[2
]}

Wang, Wanxia ^{[2
]}

Tang, Ming ^{[4
]}

Yan, Long ^{[2
]}

Yin, Wen ^{[1
]}

Zhou, Xingtai ^{[2
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Dongguan Branch, Beijing 100049, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

[3] Dongguan Univ Technol, Sch Mech Engn, Dongguan, Guangdong, Peoples R China

[4] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2018年 / 421卷

基金：

美国国家科学基金会;

关键词：

Nickel-based alloy; Irradiation hardening; Nix-Gao model; Transmission electron microscopy (TEM); FISSION FUSION CORRELATION; MECHANICAL-PROPERTIES; STRUCTURAL-MATERIALS; RADIATION-DAMAGE; DEFECT EVOLUTION; GH3535; STEELS; MICROSTRUCTURE; ACCUMULATION; CHALLENGES;

D O I：

10.1016/j.nimb.2018.02.018

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The irradiation hardening of Ni-Mo-Cr and Ni-W-Cr alloy was investigated. 7 MeV Xe26+ ion irradiation was performed at room temperature and 650 degrees C with peak damage dose from 0.05 to 10 dpa. With the increase of damage dose, the hardness of Ni-Mo-Cr and Ni-W-Cr alloy increases, and reaches saturation at damage dose >= 1 dpa. Moreover, the damage dose dependence of hardness in both alloys can be described by the Makin and Minter's equation, where the effective critical volume of obstacles can be used to represent irradiation hardening resistance of the alloys. Our results also show that Ni-W-Cr alloy has better irradiation hardening resistance than Ni-Mo-Cr alloy. This is ascribed to the fact that the W, instead of Mo in the alloy, can suppress the formation of defects under ion irradiation.

引用

页码：50 / 58

页数：9

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