Transactions of Materials and Heat Treatment

Title：Research on carbon fibers structure of electromagnetic riveting for titanium alloy rivet

Authors： CUI Jun-jia SUN Li-qiang MENG Ling-bo ZHANG Mao-yun

Unit： 1. Material Science and Engineering School Harbin Institute of Technology Harbin 150001 China 2.National Key Laboratory for Precision HotMachinery Corporation Beijing 100076 China

KeyWords： titanium alloy rivet electromagnetic riveting carbon fibers microstructure

ClassificationCode：TG391

year,vol(issue):pagenumber：2013,38(2):47-52

Abstract：

Electromagnetic riveting (EMR) is a new type of riveting process, which is obviously superior to the traditional riveting technique in riveting of high strength rivet and composites structure. Electromagnetic riveting precast aperture matching tests were carried out for titanium alloy rivets with the diameter of Φ4, Φ5 and Φ6 mm, the reasonable bore diameters of Φ4.1, Φ5.2, and Φ6.2/Φ6.3 mm were got. The shear strength and microstructure are little distinction between pneumatic riveting and electromagnetic riveting for smaller diameter rivets (Φ4, Φ5 mm), while in respect of lager diameter (Φ6 mm) titanium alloy rivet, pneumatic riveting is far worse than electromagnetic riveting. Electromagnetic riveting can highly enhance the riveting quality of titanium alloy rivet in carbon fibers structure, and the probability of cracking is only 0.5%.

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