激光增材制造成型马氏体时效钢研究进展

谭超林,周克崧,马文有,曾德长

Research Progress of Laser Additive Manufacturing of Maraging Steels

Chaolin TAN,Kesong ZHOU,Wenyou MA,Dechang ZENG

表1 SLM成型18Ni300马氏体时效钢工艺参数及性能[16,38,45,50,51,52,53,54,55]

Table 1 Laser parameter, heat treatments and achievable properties of SLM-produced grade 300 maraging steels[16,38,45,50,51,52,53,54,55]

Machine P / W vs / (mm·s-1) h / μm t / μm Ev / (J·mm-3) Density / % Ref. EOS M280 80 400 50 40 100 >99 [45] EOS M290 285 960 110 40 67 99.9 [16] Concept laser M2 - 600 105 30 - 99.5 [38] Dimetal-100 160 400 70 35 163 99.3 [50] Concept laser M3 105 150 125 30 187 99.2 [51] - 100 180 140 30 132 99.7 [52] Renishaw AM250 200 - 90 40 60~77 About 99.0 [53] Matsuura Avance-25 300 700 120 50 71 99.8 [54] Concept laser M2 180 600 105 30 95 99.5 [55]