| 正火中碳钢在高周疲劳下循环硬化的研究 |
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| 引用本文： | 林晨,杨成仁. 正火中碳钢在高周疲劳下循环硬化的研究[J]. 青岛理工大学学报, 1997, 0(1) |
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| 作者姓名： | 林晨 杨成仁 |
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| 作者单位： | 青岛建筑工程学院机械工程系 |
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| 摘 要： | 金属材料在低周疲劳中可测出材料的循环硬（软）化现象，但无法得到高周疲劳时材料循环曲线．本文利用测定疲劳后材料力学性能来反映高周疲劳产生的材料硬化现象，而且分析了不同载荷和不同加载顺序对材料硬化程度的影响，与试验结果相符合．
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| 关 键 词： | 疲劳，循环硬化，屈服强度，位错，正火钢 |
A Study on Cylical Hardening of Normalizing Medium Carbonsteel during High Cycle Fatigue |
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| Lin Chen Yang Chengren. A Study on Cylical Hardening of Normalizing Medium Carbonsteel during High Cycle Fatigue[J]. Journal of Qingdao Technological University, 1997, 0(1) |
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| Authors: | Lin Chen Yang Chengren |
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| Abstract: | The hardening or softening of metal is measured during low cycle fatigue. It is very difficult to draw a cycling graph in high cycle fatigue. In this paper,hardening of metal is observed from measuring the change of mechanic property during fatigue. It is studied that different loadings and programs of loading affect the degree of hardening metal. The result of study is coincident with the test. |
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| Keywords: | fatigue cyclical hardening yield strength dislocation normalizing steel |
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