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铝合金超塑性成型已经成功。洛克威尔科学中心把铝合金的超塑性成型的研究承包给了飞行动力学实验室,实验表明:适当的形变热处理能使7000系铝合金产生细晶粒组织,从而能顺利地进行超塑成型。
Aluminum superplastic forming has been successful. Rockwell Science Center to aluminum alloy superplastic forming research contracted to the flight dynamics laboratory, experiments show that: the appropriate deformation heat treatment can 7000 series aluminum alloy to produce fine grain structure, which can successfully superplastic forming .