低应变预变形对变温马氏体相变行为的影响规律及作用机制

王金亮, 王晨充, 黄明浩, 胡军, 徐伟

The Effects and Mechanisms of Pre-Deformation with Low Strain on Temperature-Induced Martensitic Transformation

WANG Jinliang, WANG Chenchong, HUANG Minghao, HU Jun, XU Wei

图4 退火态321型不锈钢试样在预变形+深冷处理过程中的显微组织演化 (a) EBSD band contrast map of annealed sample (b) SE-SEM image of sample subjected to pre-deformation of 5% (c) SE-SEM image of sample subjected to pre-deformation of 5% and cryogenic treatment (d) corresponding EBSD band contrast map of Fig.4c (Grey areas, white areas, and red areas represent the austenite, ε-martensite, and α'-martensite, respectively)

Fig.4 Microstructure evolutions of annealed 321 stainless steel sample subjected to pre-deformation and then cryogenic treatment