Transactions of Materials and Heat Treatment

Title：The Superpinstic Forming of Metal Sheets by Using Refractory Concrete Die

Authors： Northwestern Polytechnical University Gong Yaofu Guo Naicheng Xi'an No.1 Radio Factory Zhao Daren He Mancai

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year,vol(issue):pagenumber：1991,16(3):26-29

Abstract：

A technology for the superplastic forming of metal sheets with the refractory concrete die is put forward in this paper. The fact that the paraboloid components with a major axis of 1834 mm and a minor axis of 1500mm, which are used for satellite receiving antennas, have been auceessfully formed by using the refractory concrete die gives full supput to the conclusion that in the superplastic forming of metal sheets, the refractory concrete die can replace that of metal to reduce the difficulties in manufacturing the forming die and to save the expensive metal material as well as to cut down the heating power consumption, that is, to increase the company benefits.

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Reference：

[1] 龚跃夫等气压自由胀形与单向拉伸之间的等效过程锻压技术 13(2) 43-44 1988
[2] 西北工业大学超塑性研究小组等 LF3防锈铝合金仪表壳体件的超塑气压成形锻压技术 11(3) 25 1986
[3] 筑炉工手册编写小组筑炉工手册冶金工业出版社 288-291 1973
[4] 钢铁厂工业炉设计参考资料编写小组钢铁厂工业炉设计参考资料冶金工业出版社 56-57 1979

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