卷取温度对500 MPa级热冲压桥壳用钢组织与力学性能的影响
惠亚军1,2(), 刘锟1, 吴科敏3, 李秋寒1, 牛涛4, 武巧玲4
Effect of Coiling Temperature on Microstructure and Mechanical Properties of 500 MPa Grade Hot Stamping Axle Housing Steel
HUI Yajun1,2(), LIU Kun1, WU Kemin3, LI Qiuhan1, NIU Tao4, WU Qiaoling4

图3. 500 MPa级热冲压桥壳用钢在570 ℃卷取时的EBSD结果
(a) IPF (b) distribution of high and low angle grain boundaries
(c) distribution of grain size (d) distribution of grain orientation

Fig.3. EBSD results of 500 MPa grade hot stamping axle housing steel when coiling at 570 ℃