316L奥氏体不锈钢非对称载荷下的疲劳与循环塑性行为
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彭剑,高毅,代巧,王颖,李凯尚
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Fatigue and Cycle Plastic Behavior of 316L Austenitic Stainless Steel Under Asymmetric Load
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Jian PENG,Yi GAO,Qiao DAI,Ying WANG,Kaishang LI
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| 表1 316L奥氏体不锈钢疲劳实验方案及疲劳寿命(应力比R=0.1) |
| Table 1 Fatigue experimental scheme and fatigue life of 316L austenitic stainless steel (stress ratio R=0.1) |
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| No. | σa / MPa | σmax / MPa | σmin / MPa | Nf / cyc |
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| 1 | 270.00 | 600 | 60.0 | 314 | | 2-R1 | 261.00 | 580 | 58.0 | 424 | | 2-R2 | 261.00 | 580 | 58.0 | 622 | | 2-R3 | 261.00 | 580 | 58.0 | 664 | | 3-R1 | 256.50 | 570 | 57.0 | 586 | | 3-R2 | 256.50 | 570 | 57.0 | 6404 | | 3-R3 | 256.50 | 570 | 57.0 | 4664 | | 4-R1 | 252.00 | 560 | 56.0 | 26524 | | 4-R2 | 252.00 | 560 | 56.0 | 17204 | | 4-R3 | 252.00 | 560 | 56.0 | 23864 | | 5 | 247.50 | 550 | 55.0 | 34606 | | 6 | 236.25 | 525 | 52.5 | 50424 | | 7 | 225.00 | 500 | 50.0 | 55759 | | 8 | 213.75 | 475 | 47.5 | 89548 | | 9 | 202.50 | 450 | 45.0 | 93578 | | 10 | 191.25 | 425 | 42.5 | 124136 |
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