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8. 原始态、7000 h热老化、退火试样中δ铁素体/奥氏体相界区域的元素分布及横跨相界的一维浓度分布
Fig.8. Atom maps and composition profiles of elements in the unaged, 7000 h aged and annealed specimens(a) atom maps of Ni, Mn, C, Cr, Si and P at the δ-ferrite/austenite phase boundary region. The volume analyzed is 97 nm×97 nm×75 nm, 88 nm×88 nm×40 nm and 70 nm×60 nm×30 nm, respectively(b) composition profiles of Ni, Mn and C (The direction of the composition profile is from austenite to δ-ferrite)(c) composition profiles of Cr, Si and P
