材料期刊网

Dislocation Behaviour near the Crack Tip in Bulk Fe-3% Si Single Crystal

XU Yongbo HA Kuanfu WANG Zhongguang YANG Chunsong DAI Zhongling Laboratory for Fatigue and Fracture of Materials , Institute of Metal Research , Academia Sinica , Shenyang , 110015 , China.Jilin University , Changchun , 130023 , China.To whom correspondence should be add

材料科学技术（英文）

An investigation has been made of the disloca- tion distribution and dislocation free zone near the crack tip in bulk Fe-3% Si single crystal during deformation in SEM.It has been found that a number of dislocations were emitted from the crack tip during deformation.After that,the dislocations moved...

关键词: dislocation , null , null , null

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）

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M(?)ssbauer Spectra for Ultrafine Particles Fe_3O_4

Haibo LI Weitao ZHENG Yudong LIU Ruilin ZHANG Department of Materials Science , Jilin University , Changchun , 130023 , China

材料科学技术（英文）

The procedure of preparing specimens of ultrafine particles (UFP) Fe_3O_4 was studied and the measurement and analysis of the Mssbauer spectra at room temperature was made.After the hyperfine field due to iron was analyzed carefully,it is shown that the interaction of the interfaces be- tween grains...

关键词: UFP , null , null