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4 CR-1~CR-5样品不同张数57000倍伪彩色图像中三次γ'相的统计面积分数 (%)

Table 4 Statistical area fractions of tertiary 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) 4.3629 4.1475 3.9640 3.8927 4.0602 4.0986 4.1069 4.1726 CR-1(B) 4.1379 4.1596 4.1818 4.1152 4.1462 4.1376 4.1558 4.1437 CR-1(C) 3.4290 3.4859 3.7842 3.9601 3.9300 3.9189 3.8840 3.8672 CR-2 3.7788 3.5975 3.7266 3.6885 3.7277 3.7315 3.7312 3.7543 CR-3 5.9871 5.5649 5.3424 5.2784 5.2847 5.1110 5.0829 5.0549 CR-4 5.3514 5.9551 5.8162 5.7008 5.6556 5.6393 5.5932 5.5939 CR-5 8.5552 9.3975 9.2119 9.2089 9.2462 9.3367 9.4190 9.4513