退火对热老化308L不锈钢焊材显微结构的影响
林晓冬1,2,彭群家1,3(
),韩恩厚1,柯伟1
),韩恩厚1,柯伟1
Effect of Annealing on Microstructure of Thermally Aged 308L Stainless Steel Weld Metal
Xiaodong LIN1,2,Qunjia PENG1,3(),En-Hou HAN1,Wei KE1
),En-Hou HAN1,Wei KE1
图3. 原始态、7000 h热老化、退火试样中δ铁素体相的TEM像和Cr元素分布
Fig.3. TEM images of δ-ferrite (a~c) and atom maps and 35%Cr isosurface of δ-ferrite (d~f) of 308L stainless steel weld metal (The volume analyzed in Figs.3d~f is 74 nm×74 nm×51 nm, 40 nm×40 nm×100 nm and 30 nm×30 nm×90 nm, respectively)(a, d) unaged (b, e) 7000 h aged (c, f) annealed
