Fe-Mn-Al轻质高强钢组织和力学性能研究<sup>*</sup>

Fe-Mn-Al轻质高强钢组织和力学性能研究^*

杨富强, 宋仁伯, 孙挺, 张磊峰, 赵超, 廖宝鑫

MICROSTRUCTURE AND MECHANICAL PROPER- TIES OF Fe-Mn-Al LIGHT-WEIGHT HIGH STRENGTH STEEL

YANG Fuqiang, SONG Renbo, SUN Ting, ZHANG Leifeng, ZHAO Chao, LIAO Baoxin

表1 固溶处理后Fe-Mn-Al钢的力学性能

Table 1 Mechanical properties of Fe-Mn-Al steel after solid solution treatment at different temperatures for 1 h

T / ℃	R_m / MPa	R_p0.2 / MPa	A₅₀ / %	R_m·A₅₀ / (GPa·%)
950	1069.9	931.6	15.12	16.18
1000	976.3	786.9	43.56	42.53
1050	925.9	725.1	50.20	46.48
1100	906.8	717.4	47.20	42.80