SEBM成形片状极小曲面点阵材料的力学性能

樊永霞, 王建, 张学哲, 王建忠, 汤慧萍

Mechanical Property of Shell Minimal Surface Lattice Material Printed by SEBM

FAN Yongxia, WANG Jian, ZHANG Xuezhe, WANG Jianzhong, TANG Huiping

表1 SEBM成形Ti-6Al-4V点阵材料设计和打印后形态特征参数及压缩性能

Table 1 Designed, printed morphological parameters and the compressive mechanical properties of SEBM manufactured Ti-6Al-4V lattice material

Sample Ralative density Thickness / μm Yield strength σ E ε Designed Printed Designed Printed MPa MPa MPa % O1 0.13 0.16 530 540 27.8 32.8 1036.8 5.1 O2 0.21 0.20 700 680 46.5 53.3 1684.8 4.7 O3 0.26 0.25 800 720 62.7 78.2 2234.1 4.6 O4 0.35 0.30 940 830 96.7 117.8 3036.6 7.6 T1 0.15 0.14 820 760 21.2 23.4 900.0 4.1 T2 0.20 0.18 940 890 43.6 50.2 1733.0 4.8 T3 0.25 0.22 1120 1060 61.2 71.4 2300.7 4.2 T4 0.30 0.26 1260 1180 84.3 100.1 3414.1 6.1 D1 0.20 0.21 440 560 95.5 117.4 3329.1 10.5 D2 0.25 0.22 540 530 103.8 122.3 3199.0 8.9 D3 0.30 0.26 660 650 113.0 138.7 3899.8 10.1 D4 0.35 0.30 820 670 135.9 171.9 4461.5 8.9 D5 0.40 0.36 880 750 194.8 234.3 4722.9 9.3 G1 0.20 0.18 540 520 63.4 79.0 2281.0 9.9 G2 0.25 0.21 660 540 74.6 94.9 2745.7 10.2 G3 0.30 0.26 800 640 97.9 127.4 3208.0 10.6 G4 0.33 0.28 900 740 116.5 150.3 3600.3 10.3 G5 0.35 0.30 940 770 128.6 162.9 3920.0 10.8 P1 0.13 0.14 440 510 71.3 80.7 3124.2 6.2 P2 0.20 0.18 700 680 77.8 83.4 2212.3 7.8 P3 0.25 0.22 880 840 82.2 98.4 2624.1 8.4 P4 0.30 0.26 1060 940 106.0 132.0 3256.3 9.9 P5 0.35 0.31 1220 1050 136.3 173.4 4200.1 9.5 I1 0.17 0.20 440 520 33.6 38.1 1232.1 7.7 I2 0.20 0.22 520 560 56.3 64.8 1937.2 8.4 I3 0.25 0.24 640 610 74.8 90.1 2578.2 9.4 I4 0.30 0.29 820 720 101.2 119.6 3443.2 8.8 I5 0.35 0.33 980 890 121.3 156.4 3568.3 9.8