| STUDY ON THE SHOCK WAVE CRYSTALLIZATION OF AMORPHOUS ALLOYS BY DSC |
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| 作者姓名： | H. Y. Zhao H. Wang Q.J. Liu J.D. Kan and Z.Q. Liu |
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| 作者单位： | H. Y. Zhao，H. Wang，Q.J. Liu，J.D. Kan and Z.Q. LiuDepartment of Materials Science and Engineering，Yunnan University，Kunming 650091，China |
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| 摘 要： | Shock wave and annealing crystallization of amorphous alloys FeSiB, FeMoSiB and FeCuNbSiB were studied by isothermal and non-isothermal DSC technique. It was found that the shock wave crystallization is very perfect, the fraction crystallized is very close to 100%, though the period of crystallization is very short, only about 10-4-10-6s. Their produced phases differ from the parent phase in structure and composition. The high velocity of the transformation is very difficult to explain by the diffusion theory of solid state phase transition.
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STUDY ON THE SHOCK WAVE CRYSTALLIZATION OF AMORPHOUS ALLOYS BY DSC |
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| H. Y. Zhao,H. Wang,Q.J. Liu,J.D. Kan and Z.Q. Liu.STUDY ON THE SHOCK WAVE CRYSTALLIZATION OF AMORPHOUS ALLOYS BY DSC[J].Acta Metallurgica Sinica(English Letters),2002,15(5):431-438. |
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| Authors: | HYZhao HWang QJLiu JDKan ZQLiu |
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| Affiliation: | Department of Materials Science and Engineering, Yunnan University, Kunming 650091, China |
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| Abstract: | Shock wave and annealing crystallization of amorphous alloys FeSiB, FeMoSiB and FeCuNbSiB were studied by isothermal and non-isothermal DSC technique. It was found that the shock wave crystallization is very perfect, the fraction crystallized is very close to 100%, though the period of crystallization is very short, only about 10-4-10-6s. Their produced phases differ from the parent phase in structure and composition. The high velocity of the transformation is very difficult to explain by the diffusion theory of solid state phase transition. |
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| Keywords: | amorphous alloy nano-crystallization shock wave crystalliza-tion |
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