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| Influence of process parameters on interfacial tensile strength of crosswedge rolling of 42CrMo/Q235 laminated shafts |
| Wen-fei Peng1,2 ? Chao Yan1,2 ? Xiao Zhang1,2 ? Xue-dao Shu1,2 ? Guang-xing Huang1,2 ? Dong-ming Xu1,2 |
| 1 Zhejiang Provincial Key Lab of Part Rolling Technology, Ningbo University, Ningbo 315211, Zhejiang, China 2 Faculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, Zhejiang, China |
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Abstract Through rolling experiments and interfacial tensile strength tests of cross-wedge rolled laminated shafts of 42CrMo/Q235 composites, the influence of process parameters, including forming angle, spreading angle, area reduction, rolling temperature and core material diameter on the interfacial shear strength was analyzed. The results show that the sequence of process parameters in order of greatest influence on interfacial tensile strength was rolling temperature, area reduction, core material diameter, forming angle and spreading angle. At the interface of the combined materials, tensile strength decreased as forming angle and spreading angle increased, whereas the tensile strength first increased and then decreased as area reduction, rolling temperature and core material diameter increased.
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Received: 29 November 2017
Published: 14 November 2018
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2018, Vol. 25 
