试样单面减薄对 Q420B厚板断后伸长率的影响

肖娟，袁勤攀，潘刚，蒙曰睿

Effect of single-side thinning on the elongation after fracture of Q420B thick plate

XIAO Juan，YUAN Qin-pan，PAN Gang，MENG Yue-rui

物理测试 . 2019, (4): 14 -16 . DOI: 10.13228/j.boyuan.issn1001-0777.20180096