Feature Size Effect on Formability of Multilayer Metal Composite Sheets under Microscale Laser Flexible Forming
AbstractMultilayer metal composite sheets possess superior properties to monolithic metal sheets, and formability is different from monolithic metal sheets. In this research, the feature size effect on formability of multilayer metal composite sheets under microscale laser flexible forming was studied by experiment. Two-layer copper/nickel composite sheets were selected as experimental materials. Five types of micro molds with different diameters were utilized. The formability of materials was evaluated by forming depth, thickness thinning, surface quality, and micro-hardness distribution. The research results showed that the formability of two-layer copper/nickel composite sheets was strongly influenced by feature size. With feature size increasing, the effect of layer stacking sequence on forming depth, thickness thinning ratio, and surface roughness became increasingly larger. However, the normalized forming depth, thickness thinning ratio, surface roughness, and micro-hardness of the formed components under the same layer stacking sequence first increased and then decreased with increasing feature size. The deformation behavior of copper/nickel composite sheets was determined by the external layer. The deformation extent was larger when the copper layer was set as the external layer. View Full-Text
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Liu, H.; Zhang, W.; Gau, J.-T.; Shen, Z.; Ma, Y.; Zhang, G.; Wang, X. Feature Size Effect on Formability of Multilayer Metal Composite Sheets under Microscale Laser Flexible Forming. Metals 2017, 7, 275.
Liu H, Zhang W, Gau J-T, Shen Z, Ma Y, Zhang G, Wang X. Feature Size Effect on Formability of Multilayer Metal Composite Sheets under Microscale Laser Flexible Forming. Metals. 2017; 7(7):275.Chicago/Turabian Style
Liu, Huixia; Zhang, Wenhao; Gau, Jenn-Terng; Shen, Zongbao; Ma, Youjuan; Zhang, Guoce; Wang, Xiao. 2017. "Feature Size Effect on Formability of Multilayer Metal Composite Sheets under Microscale Laser Flexible Forming." Metals 7, no. 7: 275.
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