CN101231222B - 一种剩余强度和剩余寿命的无损预测方法 - Google Patents
一种剩余强度和剩余寿命的无损预测方法 Download PDFInfo
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- CN101231222B CN101231222B CN2008100336040A CN200810033604A CN101231222B CN 101231222 B CN101231222 B CN 101231222B CN 2008100336040 A CN2008100336040 A CN 2008100336040A CN 200810033604 A CN200810033604 A CN 200810033604A CN 101231222 B CN101231222 B CN 101231222B
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应力/MPa | 疲劳寿命/Cycles | 对数疲劳寿命 |
294 | 150900 | 5.18 |
294 | 198800 | 5.30 |
274 | 446100 | 5.65 |
265 | 525700 | 5.72 |
255 | 898200 | 5.95 |
255 | 1258200 | 6.10 |
245 | 2583400 | 6.41 |
应力/MPa | 疲劳寿命/Cycles | 对数疲劳寿命 |
235 | 3401300 | 6.53 |
强化次数/Cycles | 剩余疲劳强度/MPa | 表面硬度/HV |
0 | 225.4 | 182.7 |
500000 | 225.4 | 185.7 |
1000000 | 225.4 | 187.5 |
2500000 | 235.2 | 188.7 |
5000000 | 235.2 | 192.4 |
7500000 | 240.1 | 191.1 |
10000000 | 245 | 190.5 |
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CN2008100336040A CN101231222B (zh) | 2008-02-15 | 2008-02-15 | 一种剩余强度和剩余寿命的无损预测方法 |
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CN101231222A CN101231222A (zh) | 2008-07-30 |
CN101231222B true CN101231222B (zh) | 2010-07-07 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102507896A (zh) * | 2011-11-01 | 2012-06-20 | 东南大学 | 用于铸钢节点内无明显缺陷的铸钢节点疲劳寿命估算方法 |
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WO2011074654A1 (ja) * | 2009-12-17 | 2011-06-23 | 日本精工株式会社 | 軸受の残存寿命予測方法及び残存寿命診断装置並びに軸受診断システム |
CN102183405B (zh) * | 2011-02-24 | 2012-12-12 | 西北工业大学 | 基于变奇异性因子的剩余强度分析方法 |
CN102156066A (zh) * | 2011-03-28 | 2011-08-17 | 上海理工大学 | 基于强化和损伤的移动s-n曲线疲劳寿命预测方法 |
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CN103926084B (zh) * | 2014-01-15 | 2016-06-29 | 中国第一汽车股份有限公司 | 轿车强度及疲劳预警方法及预警系统 |
CN103955604B (zh) * | 2014-04-11 | 2016-01-06 | 南京航空航天大学 | 一种含裂纹金属梯度材料剩余强度预测方法 |
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CN104020254B (zh) * | 2014-05-20 | 2016-01-13 | 北京航空航天大学 | 一种测定复合材料剩余强度与剩余寿命的应变控制方法 |
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CN107843510B (zh) * | 2016-09-20 | 2020-01-03 | 中国科学院金属研究所 | 基于室温布氏硬度预测超临界机组t/p91耐热钢剩余持久寿命评估方法 |
CN106844901B (zh) * | 2017-01-03 | 2020-07-31 | 南京市特种设备安全监督检验研究院 | 一种基于多因素融合修正的结构件剩余强度评估方法 |
CN112824866B (zh) * | 2019-11-20 | 2021-11-26 | 中国科学院金属研究所 | 通过微观组织分散性预测金属材料不同温度疲劳强度的方法 |
CN111881564B (zh) * | 2020-07-17 | 2022-09-09 | 北京理工大学 | 一种关于机械结构变幅疲劳寿命预测方法 |
CN114428021B (zh) * | 2022-01-14 | 2024-05-28 | 国家石油天然气管网集团有限公司 | 一种山地管道裂纹缺陷剩余强度的评价方法 |
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CN1821742A (zh) * | 2006-03-23 | 2006-08-23 | 上海理工大学 | 结构钢低载强化特性的确定方法 |
Non-Patent Citations (8)
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乐晓斌.用剩余疲劳损伤强度预测机械零件疲劳可靠度及寿命的方法.机械强度18 1.1996,18(1),34-36. |
乐晓斌.用剩余疲劳损伤强度预测机械零件疲劳可靠度及寿命的方法.机械强度18 1.1996,18(1),34-36. * |
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平安,等.材料疲劳性能变化规律与剩余寿命预测.东北大学学报15 3.1994,15(3),263-266. |
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杨浩泉,等.金属材料的剩余寿命与力学性质之间关系的研究.上海第二工业大学学报23 1.2006,23(1),42-46. |
杨浩泉等.金属材料的剩余寿命与力学性质之间关系的研究.上海第二工业大学学报23 1.2006,23(1),42-46. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102507896A (zh) * | 2011-11-01 | 2012-06-20 | 东南大学 | 用于铸钢节点内无明显缺陷的铸钢节点疲劳寿命估算方法 |
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