Study of irradiation induced surface pattern and structural changes in Inconel 718 alloy

被引：5

作者：

Wan, Hao ^{[1
,2
]}

Si, Naichao ^{[2
]}

Zhao, Zhenjiang ^{[1
]}

Wang, Jian ^{[1
]}

Zhang, Yifei ^{[1
]}

机构：

[1] Taizhou Univ, Sch Naval Architecture & Mech Elect Engn, Taizhou 225300, Peoples R China

[2] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2018年 / 5卷 / 05期

基金：

中国国家自然科学基金;

关键词：

irradiation; nickel alloy; surface; point defect; microstructure; ION-BEAM; MECHANICAL-PROPERTIES; MICROSTRUCTURE; HELIUM; DAMAGE; RESISTANCE; TITANIUM; PLASMA;

D O I：

10.1088/2053-1591/aabf7f

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Helium ions irradiation induced surface pattern and structural changes of Inconel 718 alloy were studied with the combined utilization of atomic force microscopy (AFM), x-ray diffraction (XRD) and transmission electron microscopy (TEM). In addition, SRIM-2013 software was used to calculate the sputtering yield and detailed collision events. The result shows that, irradiation dose play an important role in altering the pattern of the surface. Enhanced irradiation aggravated the surface etching and increased the surface roughness. In ion irradiated layer, large amount of interstitials, vacancies and defect sinks were produced. Moreover, in samples with increasing dose irradiation, the dependence of interplanar spacing variation due to point defects clustering on sink density was discussed.

引用

页数：8

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