热像法和能量法快速评估Q235钢的疲劳性能
借助热像法和能量法快速确定了单轴循环应力作用下Q235钢的疲劳性能参数,与传统实验结果相比,吻合较好。基于极限能理论假设,建立了Miner线性累积损伤理论的能量模型以预测构件的残余寿命。研究结果表明：热像法和能量法可以在较短的实验周期内快速地确定材料的疲劳极限和S-N曲线等疲劳性能参数;Miner理论的能量模型具有明确的物理意义,能准确预测循环载荷作用下构件的残余寿命。...
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| Published in | 材料工程 no. 12; pp. 71 - 76 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
大连理工大学工业装备结构分析国家重点实验室,辽宁大连,116024%大连理工大学材料科学与工程学院,辽宁大连,116024
2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4381 1001-4381 |
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| Abstract | 借助热像法和能量法快速确定了单轴循环应力作用下Q235钢的疲劳性能参数,与传统实验结果相比,吻合较好。基于极限能理论假设,建立了Miner线性累积损伤理论的能量模型以预测构件的残余寿命。研究结果表明：热像法和能量法可以在较短的实验周期内快速地确定材料的疲劳极限和S-N曲线等疲劳性能参数;Miner理论的能量模型具有明确的物理意义,能准确预测循环载荷作用下构件的残余寿命。 |
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| AbstractList | TG115.5; 借助热像法和能量法快速确定了单轴循环应力作用下Q235钢的疲劳性能参数,与传统实验结果相比,吻合较好.基于极限能理论假设,建立了Miner线性累积损伤理论的能量模型以预测构件的残余寿命.研究结果表明:热像法和能量法可以在较短的实验周期内快速地确定材料的疲劳极限和S-N曲线等疲劳性能参数；Miner理论的能量模型具有明确的物理意义,能准确预测循环载荷作用下构件的残余寿命. 借助热像法和能量法快速确定了单轴循环应力作用下Q235钢的疲劳性能参数,与传统实验结果相比,吻合较好。基于极限能理论假设,建立了Miner线性累积损伤理论的能量模型以预测构件的残余寿命。研究结果表明：热像法和能量法可以在较短的实验周期内快速地确定材料的疲劳极限和S-N曲线等疲劳性能参数;Miner理论的能量模型具有明确的物理意义,能准确预测循环载荷作用下构件的残余寿命。 |
| Author | 樊俊铃 郭杏林 吴承伟 邓德伟 |
| AuthorAffiliation | 大连理工大学工业装备结构分析国家重点实验室,辽宁大连116024 大连理工大学材料科学与工程学院,辽宁大连116024 |
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| Author_FL | FAN Jun-ling WU Cheng-wei DENG De-wei GUO Xing-lin |
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| ClassificationCodes | TG115.5 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Fast Evaluation of Fatigue Behavior of Q235 Steel by Infrared Thermography and Energy Approach |
| DocumentTitle_FL | Fast Evaluation of Fatigue Behavior of Q235 Steel by Infrared Thermography and Energy Approach |
| EISSN | 1001-4381 |
| EndPage | 76 |
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| Keywords | 热像法 疲劳极限 残余寿命 能量法 S-N曲线 疲劳 |
| Language | Chinese |
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| Notes | FAN Jun-ling1,GUO Xing-lin1,WU Cheng-wei1,DENG De-wei2（1 State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology,Dalian 116024,Liaoning,China; 2 School of Materials Science and Engineering,Dalian University of Technology,Dalian 116024,Liaoning,China） 11-1800/TB fatigue ; infrared thermography; energy approach ; fatigue limit ; S-N curve ; residual life The infrared thermography was used to rapidly determine the fatigue parameters of Q235 steel undergoing uniaxial cyclic stress,and a good agreement was achieved between the predicted results and the results from the traditional fatigue testing methods.Based on the assumption of the limiting energy theory,the energy approach based on Miner＇s law was advanced to predict the residual fatigue life of samples.The results show that the infrared thermography and the energy approach can be used to rapidly determine the fatigue limit and the S-N curve in a short test period;and that the residual fatigue life can be accurately p |
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| PublicationTitle | 材料工程 |
| PublicationTitleAlternate | Journal of Materials Engineering |
| PublicationTitle_FL | Journal of Materials Engineering |
| PublicationYear | 2012 |
| Publisher | 大连理工大学工业装备结构分析国家重点实验室,辽宁大连,116024%大连理工大学材料科学与工程学院,辽宁大连,116024 |
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| Snippet | 借助热像法和能量法快速确定了单轴循环应力作用下Q235钢的疲劳性能参数,与传统实验结果相比,吻合较好。基于极限能理论假设,建立了Miner线性累积损伤理论的能量模型以预测构... TG115.5; 借助热像法和能量法快速确定了单轴循环应力作用下Q235钢的疲劳性能参数,与传统实验结果相比,吻合较好.基于极限能理论假设,建立了Miner线性累积损伤理论的能量模... |
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| SubjectTerms | S-N曲线 残余寿命 热像法 疲劳 疲劳极限 能量法 |
| Title | 热像法和能量法快速评估Q235钢的疲劳性能 |
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