新型第三代粉末高温合金FGH100L的显微组织与力学性能

田甜,郝志博,贾崇林,葛昌纯

Microstructure and Properties of a New Third Generation Powder Metallurgy Superalloy FGH100L

Tian TIAN,Zhibo HAO,Chonglin JIA,Changchun GE

表1 不同工艺态FGH100L合金的密度和相对密度

Table 1 Density and relative density of FGH100L alloy under different process states

Process state Position Average density / (g·cm-3) Relative density / % SF Top 8.12 97.13 Middle 8.15 97.49 Bottom 8.14 97.37 SF+HIP+HT Middle 8.23 98.44 SF+HIP+IF+HT Middle 8.29 99.16