TC_4钛合金超塑成形/扩散连接组合工艺应用研究

Abstract

Abstract:

This paper briefly introduces practicability of superplastic forming/diffusion bonding （SPE/DB） of TC4 （TI-6A1-4V） titanium alloy sheet and effect of main proc2ssing factors, such as forming temperature, compressing rate, pressure and holding time, on SPF and SPF/DB. The processing condition for some air frames and loading doors are described and reasonable processing parameters and procedures are provided. The problems of blowing bulging input gas, high-temperature protection and mould unloading of parts and their solutions are provided.Test results show that obvious technical and economic benefit can be obtained.

Key words: superplastic forming/diffusion bonding, titanium alloy, man- ufacturing technology

Wang Baoren;Ji Wenhai. APPLICATION INVESTIGATION ON SUPERPLASTIC FORMING /DIFFUSION BONDING COMBINED TECHNOLOGY OFTITANIUM ALLOY TC4[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1989, 10(6): 309-314.

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APPLICATION INVESTIGATION ON SUPERPLASTIC FORMING /DIFFUSION BONDING COMBINED TECHNOLOGY OFTITANIUM ALLOY TC4

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