基于高通量场发射扫描电镜建立的高温合金 γ' 相定量统计表征方法

卢毓华, 王海舟, 李冬玲, 付锐, 李福林, 石慧

A Quantitative and Statistical Method of γ' Precipitates in Superalloy Based on the High-Throughput Field Emission Scanning Eelectron Microscope

LU Yuhua, WANG Haizhou, LI Dongling, FU Rui, LI Fulin, SHI Hui

表3 CR-1~CR-5样品不同张数57000倍伪彩色图像中二次γ'相的统计面积分数 (%)

Table 3 Statistical area fractions of secondary γ' precipitates in a series of different amounts of pseudo-colorized images with magnification of 57000 in samples CR-1-CR-5

Sample MS 1 × 1 4 × 4 7 × 7 10 × 10 13 × 13 16 × 16 19 × 19 22 × 22 CR-1(A) 21.6772 35.7952 36.6602 36.6367 36.3409 36.3452 36.3276 36.1951 CR-1(B) 29.4490 31.6903 32.4940 33.0152 33.0311 32.4605 32.3384 31.6845 CR-1(C) 18.7779 30.1542 27.0086 27.6534 28.4279 29.0237 29.3381 29.4686 CR-2 28.7983 28.5878 28.9518 29.0544 29.5716 29.7345 29.9578 29.8297 CR-3 31.2861 36.7546 37.4507 38.3250 38.0414 38.6012 38.6170 38.4221 CR-4 25.6591 21.5179 23.8237 24.3587 24.8052 25.2127 25.2579 25.1590 CR-5 40.0036 37.3287 35.6865 34.6941 34.7349 34.4413 33.9881 33.3435