| CHARACTERISTICS OF INTERNAL FRICTION AND MODULUS ASSOCIATED WITH NON-EQUILIBRIUM DIFFUSION-TYPE PHASE TRANSFORMATION IN EUTECTOID Al-Zn ALLOY |
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| 引用本文： | ZHU Xianfang ZHANG Lide Institute of Solid State Physics,Academia Sinica,Hefei,China Research Assistant,Institute of Solid State Physics,Academia Sinica,Hefei,China. CHARACTERISTICS OF INTERNAL FRICTION AND MODULUS ASSOCIATED WITH NON-EQUILIBRIUM DIFFUSION-TYPE PHASE TRANSFORMATION IN EUTECTOID Al-Zn ALLOY[J]. 金属学报(英文版), 1989, 2(5): 315-319 |
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| 作者姓名： | ZHU Xianfang ZHANG Lide Institute of Solid State Physics Academia Sinica Hefei China Research Assistant Institute of Solid State Physics Academia Sinica Hefei China |
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| 作者单位： | ZHU Xianfang ZHANG Lide Institute of Solid State Physics，Academia Sinica，Hefei，China Research Assistant，Institute of Solid State Physics，Academia Sinica，Hefei，China |
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| 摘 要： | The characteristics of the low frequency internal friction and the modulus effect associatedwith 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 theloss of the stability in the lattice,which corresponded to the large-amplitude long-wavelengthstatic concentration wave in the non-equilibrium spinodal pretransformation,did not induceany effect of localized soft modulus.Although there are two aging internal friction peaks inphase transformation which correspond to the appearance and disappearance of the coherencyin spinodal pretransformation and the maximum of the interface area in the discontinuoustransformation respectively,the effect of localized soft modulus did not take place yet.
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| 收稿时间： | 1989-10-25 |
| 修稿时间： | 1989-10-25 |
CHARACTERISTICS OF INTERNAL FRICTION AND MODULUS ASSOCIATED WITH NON-EQUILIBRIUM DIFFUSION-TYPE PHASE TRANSFORMATION IN EUTECTOID Al-Zn ALLOY |
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| ZHU Xianfang ZHANG Lide Institute of Solid State Physics,Academia Sinica,Hefei,China Research Assistant. CHARACTERISTICS OF INTERNAL FRICTION AND MODULUS ASSOCIATED WITH NON-EQUILIBRIUM DIFFUSION-TYPE PHASE TRANSFORMATION IN EUTECTOID Al-Zn ALLOY[J]. Acta Metallurgica Sinica(English Letters), 1989, 2(5): 315-319 |
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| Authors: | ZHU Xianfang ZHANG Lide Institute of Solid State Physics Academia Sinica Hefei China Research Assistant |
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| Affiliation: | ZHU Xianfang ZHANG Lide Institute of Solid State Physics,Academia Sinica,Hefei,China Research Assistant,Institute of Solid State Physics,Academia Sinica,Hefei,China |
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| Abstract: | 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 the lattice,which corresponded to the large-amplitude long-wavelength static concentration wave in the non-equilibrium spinodal pretransformation,did not induce any effect of localized soft modulus.Although there are two aging internal friction peaks in phase transformation which correspond to the appearance and disappearance of the coherency in spinodal pretransformation and the maximum of the interface area in the discontinuous transformation respectively,the effect of localized soft modulus did not take place yet. |
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| Keywords: | spinodal pretransformation soft modulus discontinuous transformation internal friction |
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