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논문 기본 정보

자료유형
학술대회자료
저자정보
ZENG Pan (Ministry of Education) LU Yong-jin (Ministry of Education) LEI Li-ping (Ministry of Education) QU Timing (Ministry of Education) FANG Gang (Ministry of Education)
저널정보
한국소성·가공학회 기타자료 NUMIFORM 2010
발행연도
2010.6
수록면
565 - 570 (6page)

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초록· 키워드

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The Bi-HTS (BSCCO high temperature superconductor) tape now has become the product in an industrial way, which has been available to apply in electric and electron fields. The main way to manufacture Bi-HTS tape is to use the technique of oxide powder in silver tube (OPIT), which involves the multi-step drawing and rolling with plastic deformation, which obviously belongs to a type of the micro-forming in macro-scale processing. There are two main characteristics founded: (a) contact and friction between silver and BSCCO surfaces, (b) interface between two materials. A series of micro-tensile experiments of silver foil with thicknesses of 0.03, 0.06 and 0.1 mm are designed to investigate the behaviors of silver with various scale of sizes. And the surface topography measurements have been carried out to analyze the changes in surface topography. Based upon experiments, some topics are researched which are referred to inhomogeneous, local effect, size effect, grain and micro-structure affecting, surface roughness, long-distance sausage phenomenon. Further the local breakdown of silver by Bi-HTS powder during process is analyzed through failure criterion. The results of this work will bring out an important exploration value to the theory and computation of microforming.

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Abstract
INTRODUCTION
EXPERIMENTAL DETAILS
RESULTS AND DISCUSSION
CONCLUSIONS
REFERENCES

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