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2 CR-1~CR-5样品不同张数57000倍伪彩色图像中一次γ'相的统计面积分数 (%)

Table 2 Statistical area fractions of primary 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) 34.1182 14.1041 13.2905 13.2980 13.8856 13.4047 13.3321 13.3222 CR-1(B) 0 9.9570 10.8282 10.6772 10.0037 11.2758 11.1122 12.0587 CR-1(C) 18.2661 7.8074 17.8653 16.1729 14.5078 13.4821 12.9862 12.3973 CR-2 12.5951 15.3236 15.8086 15.5322 13.8407 13.2423 12.4115 12.5834 CR-3 19.1938 19.5960 17.8005 16.1286 15.9201 14.4578 14.2913 13.9391 CR-4 1.0355 21.3840 16.6870 15.5377 14.7993 13.9999 13.9489 14.4741 CR-5 0 9.5127 14.1524 14.7422 13.9434 13.9481 13.7549 13.8762