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论文类型：期刊论文

发表时间：2018-01-01

发表刊物：CIRP ANNALS-MANUFACTURING TECHNOLOGY

收录刊物：SCIE

卷号：67

期号：1

页面范围：281-284

ISSN号：0007-8506

关键字：Hydroforming; Aluminium; Impact

摘要：High strain rate (HSR) forming has been found to be able to enhance the formability of sheet metals like electro-magnetic forming. Impact hydroforming (IHF) is proposed, in which the sheet is formed with high-pressure pulse combining hydroforming and HSR forming. An IHF bulge test setup was designed, 5A06 aluminium sheet was tested with strain rate of 2x10(3)s(-1) showing remarkable thickness strain increase compared with quasi-static condition. A new IHF equipment is designed, the IHF process was verified effective with the equipment, complicated aluminium aircraft sheet part with high drawing ratio was formed that cannot be formed with quasi-static hydroforming. (C) 2018 Published by Elsevier Ltd on behalf of CIRP.