Microstructure and mechanical properties of powder metallurgy 2024 aluminum alloy during cold rolling

• DOI: 10.1016/j.jmrt.2021.09.120
• Publication Date: 2021-09-29T21:54:28Z
• Authors: Tao Wang; Yufeng Huang; Yunzhu Ma; Lei Wu; Huanyuan Yan; Chao Liu; Yang Liu; Bing Liu; Wensheng Liu
• Keywords: Powder Metallurgy

To improve the low compactness and limited size of powder metallurgy (P/M) aluminum alloy materials, cold rolling deformation on P/M was carried out in this work. And microstructure mechanical properties during were investigated from multi-dimensional multi-scale perspectives. The results indicate that gradually evolved original equiaxial structure to fiber after rolling. Also, grain decreased with an increase cumulative reductions. When reduction increased 0 80%, relative density tensile strength samples 98.31% 221.94 MPa 99.04% 302.88 MPa, respectively. On basis, synergetic effect densification strengthening 2024 Al investigated. improved mainly resulted combined effects microstructural strengthening.