| 材料持久极限曲线的逼近和疲劳与屈服强度校核的判据 |
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| 引用本文： | 苏继龙. 材料持久极限曲线的逼近和疲劳与屈服强度校核的判据[J]. 力学与实践, 1998, 20(3): 23-25. DOI: 10.6052/1000-0879-1999-269 |
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| 作者姓名： | 苏继龙 |
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| 作者单位： | 福建农林大学机电工程学院 |
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| 摘 要： | 本文根据材料的对称循环持久极限σ－１和静载强度极限σｂ，提出脉动循环持久极限σ０的估算公式．在此基础上，结合材料持久极限曲线，建立了塑性材料构件在应力循环特性ｒ＞０情况下对其进行疲劳或屈服强度校核的判据．
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| 关 键 词： | 持久极限曲线 强度校核 判据 |
| 收稿时间： | 2006-08-01 |
THE APPROXIMATE CURVE FOR PERSISTENT LIMIT AND THE CRITERION FOR FATIGUE STRENGTH AND YIELD STRENGTH |
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| SU Jilong. THE APPROXIMATE CURVE FOR PERSISTENT LIMIT AND THE CRITERION FOR FATIGUE STRENGTH AND YIELD STRENGTH[J]. Mechanics and Engineering, 1998, 20(3): 23-25. DOI: 10.6052/1000-0879-1999-269 |
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| Authors: | SU Jilong |
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| Abstract: | An approximate calculated formula for σ 0 of a material is provided by means of σ -1 and σ b of the material. Based on the study, the criterion for fatigue strength and yield strength for a member when the stress cyclic character r >0 is also obtained in this paper. |
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| Keywords: | the curve of persistent limit checking about strength criterion |
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