高强高韧异质结构温轧TWIP钢
Strong and Tough Heterogeneous TWIP Steel Fabricated by Warm Rolling
高强高韧异质结构温轧TWIP钢 |
| 胡晨, 潘帅, 黄明欣 |
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Strong and Tough Heterogeneous TWIP Steel Fabricated by Warm Rolling |
| HU Chen, PAN Shuai, HUANG Mingxin |
| 图3 Homo-T和Hetero-T的工程应力-应变曲线、加载-卸载-再加载迟滞环、J-R曲线、Hetero-T和Homo-T的拉伸断口像 |
| Fig.3 Engineering stress-strain curves (a), the loading-unloading-reloading hysteresis loops (b), J-R curves of Homo-T and Hetero-T (c), and tensile fracture surfaces of Hetero-T (d) and Homo-T (e) (J—measured J-integral, R—crack extension resistance, JIC—J-integral at crack extension of 0.2 mm, KJIC—plane-strain crack-initiation fracture toughness calculated by JIC, J1mm—J-integral at crack extension of 1 mm, KJ1mm—crack-growth fracture toughness calculated by J1mm, E—elastic modulus, μ—Poisson's ratio) |
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