CMT增材制造TC4-DT合金组织均匀性与力学性能一致性研究

杜子杰, 李文渊, 刘建荣, 锁红波, 王清江

Study on the Uniformity of Structure and Mechanical Properties of TC4-DT Alloy Deposited by CMT Process

DU Zijie, LI Wenyuan, LIU Jianrong, SUO Hongbo, WANG Qingjiang

表1 不同取样位置室温拉伸性能

Table 1 Room temperature tensile properties of different zones

Sample Rp0.2 / MPa Average / MPa Rm / MPa Average / MPa A / % Average / % Overlapping zone, D 786 785 854 851 11.5 11.0 784 848 10.5 Top of ordinary deposition zone, 1# 724 729 834 837 15.0 14.8 734 840 14.5 Bottom of ordinary deposition zone, 2# 771 762 877 864 10.5 10.5 753 851 10.5