等温淬火对纳米贝氏体钢的组织和力学性能的影响

王玉钊, 蒋中华, 贾春妮, 张玉妥, 王培

Microstructure and Mechanical Properties of an Austempered Nanostructured Bainitic Steel

WANG Yuzhao, JIANG Zhonghua, JIA Chunni, ZHANG Yutuo, WANG Pei

图10 不同等温淬火工艺实验钢的拉伸断口SEM照片

Fig.10 SEM analysis of experimental steel under different austempering treatment (a, d) 230-8 h, (b, e) 230-16 h, (c, f) 230-48 h, (g, j) 270-8 h (h, k) 270-16 h, (i, l) 270-48 h