690 MPa级高强韧低碳微合金建筑结构钢设计及性能
朱雯婷1, 崔君军1, 陈振业1,2, 冯阳1, 赵阳3, 陈礼清1(
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Design and Performance of 690 MPa Grade Low-Carbon Microalloyed Construction Structural Steel with High Strength and Toughness
ZHU Wenting1, CUI Junjun1, CHEN Zhenye1,2, FENG Yang1, ZHAO Yang3, CHEN Liqing1()
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图 8. 实验用钢1/4厚度处的拉伸应力-应变曲线
Fig.8. Tensile stress-strain curve of the tested steel at 1/4 thickness
