材料期刊网

ELECTRON RADIATION INDUCED VOID SWELLING AND GRAIN BOUNDARY SEGREGATION IN AN Fe-Cr-Mn AUSTENITIC ALLOY

HU Benfu University of Science and Technology Beijing , Beijing , ChinaTAKAHASHI Heishichiro , ITOH Hisatoshi , TAKEYAMA Taro Hokkaido University , Sapporo , 060 , Japan Associate Professor , Dept of Materials Science and Engineering , University of Science and Technology Beijing , Beijing 100083 , China

金属学报(英文版)

The behavior of void swelling and segregation in Fe-15Cr-xMn alloys and an alloy con- taining small amount of W and V was investigated by electron-irradiation.The compositional analysis in the irradiated regions including grain boundaries was performed.The resultdts show that there are many common features of irradiuation tehavior in the Fe-Cr-Mn and Fe-Cr-Ni systems while there are some significant differences,In the Fe-Cr-Mn alloy sys- tems void swelling was rematrkably suppressed and at the same time the radiation-induced segregation was also retarded,furthermore,the segregation was strongly retarded in an Fe-15Cr-15Mn alloy containing small amount of W and V.The results also show that Ni re- placed by Mn does not in general confer immunity from either swelling or phase instabilities. The phase instability is due to the different diffusion behavior of Ni and Mn in reponse to the operation of the inverse-Kirkendall effecr.Fe segregates to the microstructural sinks in the Fe-Cr-Mn alloys.The segregation of Fe often leads to the formation of ferrite.This fact is beneficial to reducing the swelling rate and segregation on the grain boundaries.

关键词: electron irradiation , null , null , null

University of Science and Technology Beijing

JIA Shizhen University of Science and Technology Beijing , China.

材料科学技术（英文）

关键词:

Department of Metallurgy and Materials Engineering of Chongqing University

YAN Guangting Chongqing University , Sichuan , China.

材料科学技术（英文）

关键词:

Institute of Materials Science at Jilin University——A Brief Overview

WANG Yuming Institute of Materials Science , Jilin University , Changchun , 130023 , China

材料科学技术（英文）

关键词:

Abstracts of papers from Journal of University of Science and Technology Beijing

稀有金属（英文版）

关键词:

RF deflecting cavity design for bunch length measurement of photoinjector at Tsinghua University

中国物理C

关键词:

Design of an MeV ultra-fast electron diffraction experiment at Tsinghua university

中国物理C

关键词:

Huazhong University of Science and Technology(H.U.S.T)

材料科学技术（英文）

关键词:

Drive laser system for the DC-SRF photoinjector at Peking University

中国物理C doi:10.1088/1674-1137/40/1/017004

关键词:

Opening Ceremony of Sichuan Rare-Earth Research Center & Ruisi Rare-Earth Company Holding in Sichuan University

稀土学报(英文版)

关键词: