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《Special Casting & Nonferrous Alloys》 2018-09
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Microstructure and Properties of ZK60/Al Composite Plate by Accumulative Roll Bonding

Li Zhiqing;Chen Hongmei;Guo Weipeng;Zhang Jing;Jin Yunxue;School of Materials Science and Engineering,Jiangsu University of Science and Technology;School of Metallurgical and Materials Engineering,Jiangsu University of Science and Technology;  
Al/ZK60/Al composite plates were prepared by accumulative roll bonding.The effects of deformation passes on the microstructure and properties of ZK60/Al composite sheets were investigated by SEM,TEM,universal tensile testing machine and dynamic mechanical analyzer(DMA).The results show that the interface of the composite plates with different deformation passes is well-bonded and there is no obvious necking or fracture.The tensile strength of ZK60/Al composite plate is increased firstly and then decreased.After ARB1 pass,the tensile strength of the composite plate is 216 MPa,and the elongation reaches 2.6%.The temperature-damping spectra of ZK60/Al multilayer composite sheet has two obvious internal friction peaks,namely,P1 relaxation type damping peak at about 150 ℃ and P2 recrystallization damping peak at about 300℃.The strain-damping spectrum of ZK60/Al multilayer composite sheet presents a typical dislocation damping mechanism,and the strain damping can be analyzed by G-L theory.
【Fund】: 国家自然科学基金资助项目(51301077);; 江苏省自然科学基金资助项目(BK20130470);; 中国博士后科学基金资助项目(2017M611748);; 江苏省高校优势学科建设工程资助项目
【CateGory Index】: TG335.81
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