Explosive welding of multilayer amorphous ribbons

被引:15
作者
Yan, H. H. [1 ]
Qu, Y. D. [1 ]
Li, X. J. [1 ]
机构
[1] Dalian Univ Technol, Dept Engn Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116023, Peoples R China
基金
中国国家自然科学基金;
关键词
amorphous alloys; explosive welding; temperature field; collision point velocity;
D O I
10.1007/s10573-008-0076-z
中图分类号
O414.1 [热力学];
学科分类号
摘要
The feasibility of bonding amorphous ribbons via explosive welding (EW) is demonstrated. With 20-120 layers of Fe78B13Si9 and Fe(40)Ni(40)P14B(6) amorphous ribbons 25 mu m thick and 10 cm wide, the plate samples are bonded by using two settups with a collision point velocity of 3900-4800 m/sec and a flyer plate velocity of 570900 m/sec. The largest area of the bonded sample is 30 cm(2). The microstructures of the samples are observed by optical microscopy and X-ray diffractometry. Based oil the formation characteristics of amorphous alloys and heat-exchange characteristics during the EW process, a square-wave model for the temperature distribution across the interface is proposed. It can be used to explain the reasons for the samples keeping the amorphous state across the interface after explosive welding. The calculated results are in good agreement with the experiments.
引用
收藏
页码:491 / 496
页数:6
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