小角中子散射原位研究镍基高温合金第二相析出演化行为
李亚微, 谢光, 柯于斌, 卢玉章, 黄亚奇, 张健

In Situ Small-Angle Neutron Scattering Study of Precipitation and Evolution Behavior of Secondary Phases in Ni-Based Superalloys
LI Yawei, XIE Guang, KE Yubin, LU Yuzhang, HUANG Yaqi, ZHANG Jian
表1 非原位热处理样品第二相定量统计结果
Table 1 Quantitative summary of second phases in samples after ex situ treatment
Sample state

Mean radius

nm

Shape factor

Number density

10-4 nm-2

Volume fraction

%

rγR1(γ′′/γ′/γ′′)R2 (γ′′/γ′/γ′′)γ′′/γ′/γ′′γγ′′/γ′/γ′′γγ′′/γ′/γ′′
ST + AT111.2 ± 1.911.4 ± 3.67.3 ± 2.70.64-12.6 ± 0.6-30.8 ± 1.5
ST + AT1 + AT210.6 ± 4.714.4 ± 4.56.0 ± 1.30.42-12.5 ± 0.7-29.5 ± 1.0