选区激光熔化René 88DT高温合金的晶粒组织及冶金缺陷调控

刘健, 彭钦, 谢建新

Grain Structure and Metallurgical Defects Regulation of Selective Laser Melted René 88DT Superalloy

LIU Jian, PENG Qin, XIE Jianxin

表2 选区激光熔化成形René 88DT高温合金试样EDS分析结果 (mass fraction / %)

Table 2 EDS results of selective laser melted René 88DT superalloy specimen

Region Cr Co Mo W Nb Al Ti O Ni Matrix 15.83 12.31 5.15 3.72 1.77 2.91 4.17 - 54.14 Crack 11.56 10.54 3.36 2.31 0.40 2.39 2.87 20.75 43.73