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1,2, 彭钦1,2, 谢建新1,2(
)
)
Grain Structure and Metallurgical Defects Regulation of Selective Laser Melted René 88DT Superalloy
LIU Jian1,2, PENG Qin1,2, XIE Jianxin1,2()
)
图13. 沉积道的深宽比和底部曲率半径随选区激光熔化体能量密度(E)的变化关系
Fig.13. Changes of the ratio of depth to width and curvature radius with volume energy density (E)
