金属激光增材制造材料设计研究进展

宋波, 张金良, 章媛洁, 胡凯, 方儒轩, 姜鑫, 张莘茹, 吴祖胜, 史玉升

Research Progress of Materials Design for Metal Laser Additive Manufacturing

SONG Bo, ZHANG Jinliang, ZHANG Yuanjie, HU Kai, FANG Ruxuan, JIANG Xin, ZHANG Xinru, WU Zusheng, SHI Yusheng

图6 SLM成形不锈钢和铁基非晶/不锈钢材料微观组织及腐蚀性能[39,40]

Fig.6 Microstructures and corrosion properties of SLM-fabricated stainless steel and Fe-based amorphous/stainless steel (a, b) microstructures before (a) and after (b) polishing[39] (Inset in Fig.6a is the energy spectrum of point 1, and the insets in Fig.6b are the surface energy spectrum and elements distribution) (c, d) IPFs before (c) and after (d) modification[40] (e, f) comparisons of potentiostatic polarization test[40] (I—corrosion current; T1, T2—start time of pitting corrosion; K1, K2—initial slope of the curve; SS—stainless steel)