| Crystallization behavior of amorphous Zr70Cu20Ni10 alloy annealed at 380℃ |
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| 引用本文： | 王焕荣,叶以富,闵光辉,张均艳,滕新营,石志强.Crystallization behavior of amorphous Zr70Cu20Ni10 alloy annealed at 380℃[J].中国有色金属学会会刊,2002,12(6):1087-1090. |
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| 作者姓名： | 王焕荣 叶以富 闵光辉 张均艳 滕新营 石志强 |
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| 作者单位： | [1]KeyLaboratoryofLiquidStructureandHeredityofMaterials,MinistryofEducation,ShandongUniversity,Jinan250061,China [2]CollegeofResourceandEnvironmentalEngineering,EastChinaUniversityofSc |
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| 摘 要： | Crystallization behavior of amorphous Zr70Cu20Ni10 alloy isothermally annealed at 3800℃ was first investigated by employing the differential scanning calorimetry (DSC) and transmission electron microscopy(TEM). It has been found that an exothermic peak appears in the DSC trace when the annealing time is about 17-18min,in dicating a certain phase transformation occurs in the matrix of amorphous Zr70 Cu20 Ni10 alloy.Meanwhile,isothermal annealing experiments for amorphous Zr70Cu20Ni10 alloy ranging from 370℃ to 400℃with a temperature interval of 10℃ were also carried out,from which no exothermic reaction can be observed except for the case of 380℃.This behavior indicates that the phase transformation during isothermal annealing of amorphous Zr70Cu20Ni10 alloy is strongly temperature-and time-dependent.Further investigations are required to reveal the nature of such phenome non.
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| 关 键 词： | 透射电镜 等温退火 差示扫描量热法 锆铜镍合金 |
Crystallization behavior of amorphous Zr70Cu20Ni10 alloy annealed at 380℃ |
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| Abstract: | |
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| Keywords: | crystallization behavior amorphous Zr 70 Cu 20 Ni 10 alloy isothermal annealing differential scanning calorimetry (DSC) transmission electron microscopy (TEM) local Avrami exponent |
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