XIA Yuebo ZHANG Tianyi State Key Laboratory for Fatigue and Fracture of Materials
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Institute of Metal Research
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Academia Sinica
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Shenyang
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ChinaFEI Guangtao ZHOU Xing Laboratory of Internal Friction and Defects in Solids
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Institute of Solid State Physics
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Academia Sinica
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Hefei
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China Associate Professor
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Institute of Metal Research
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Academia Sinica
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Shenyang 110015
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China
金属学报(英文版)
The variation of cyclic stress,internal friction and ultrasonic attenuation during cyclic deformation and relations among them have been investigated with different slip orientation Al single crystals.The results indicate that the value of cyclic stress σ,internal friction Q~(-1)and ultrasonic atten...
关键词:
crystal orientation
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CHENG bolin GE Tingsui (T.S.Ke) Laboratory of Internal Friction and Defects in Solids
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Institute of Solid State Physics
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Academia Sinica
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Hefei
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China Professor Laboratory of Internal Friction and Defects in Solids
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Institute of Solid State Physics
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Academia Sinica
,
Hefei
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230031
金属学报(英文版)
Internal friction and micro-creep measurements were performed with high-purity aluminium bamboo-crystal specimens.The relaxation strength was found to decrease with the decrease of temperature and became zero at about 0.4 T_m(T_m is the melting temperature).This re- flects the occurrence of local di...
关键词:
Grain boundary disordering
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YI Huchun GE Tingsui (T.S.Ke) Institute of Solid State Physics
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Academia Sinica
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Hefei
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China GE Tingsui
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Professor
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Laboratory of Internal Friction and Defects in Solids
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Institute of Solid State Physics
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Academia Sinica
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Hefei
,
China
金属学报(英文版)
Internal friction and elastic modulus of ternary Mn-Cu-Al alloys containing 56—60 wt-% Mn,0-3.59 wt-% Al were measured with acoustic frequency,1 kHz,in the tempera- ture range of-150 to 150℃.It was found that when the specimen was aged in the temperature range under the spinodal curve within the mis...
关键词:
internal friction
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DU Jiaju TONG Shihua Institute of Solid State Physics
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Academia Sinica
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Hefei
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China [Originally published in ACTA METALL SIN(CHINESE EDN)25(3)1989 pp A226—A228
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Associate Professor
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Institute of Solid State Physics
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Academia Sinica
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Hefei
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China
金属学报(英文版)
Optical microscope,SEM and IMMA investigation show that a strong interaction between hydrogen and calcium aluminate inclusions containing MgO may occur in medium carbon steels.This causes the hydrogen accumulating around the inclusions and reducing the ductility of the steel....
关键词:
hydrogen
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ZHU Xianfang ZHANG Lide Institute of Solid State Physics
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Academia Sinica
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Hefei
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China Research Assistant
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Institute of Solid State Physics
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Academia Sinica
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Hefei
,
China
金属学报(英文版)
The characteristics of the low frequency internal friction and the modulus effect associated with the non-equilibrium spinodal pretransformation and the following discontinuous trans- formation was investigated in an as-quenched eutectiod Al-Zn alloy.It was observed that the loss of the stability in...
关键词:
spinodal pretransformation
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