预测持久强度的Larson-Miller法不正确
Larson-Miller Method for Predicting Rupture Strength Being Incorrect
摘 要
通常采用 Larson-Miller法或等温直线法预测钢的持久强度, 但该两种方法的预测结果相差较大。究其原因, 发现是由于Larson-Miller法不正确造成的。计算和分析结果表明:Larson-Miller法的原理和结果都不正确。
Larson-Miller法
等温直线法
rupture strength
Larson-Miller method
isothermal linear method
Abstract
Larson-Miller method and isothermal linear method were usually used to predict rupture strength of steel. However, there were big differences between the predicted values of these two methods. Investigating the reason, it was found that this was due to Larson-Miller method being not correct. Calculation and analysis results show that the principle and the results of Larson-Miller method both were incorrect.
中图分类号 TG115.5
所属栏目 试验技术与方法
基金项目
收稿日期 2012/7/10
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备注堵百城(1934-),男,教授级高级工程师。
引用该论文: DU Bai-cheng. Larson-Miller Method for Predicting Rupture Strength Being Incorrect[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2014, 50(4): 277～280
堵百城. 预测持久强度的Larson-Miller法不正确[J]. 理化检验－物理分册, 2014, 50(4): 277～280
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参考文献
【1】Wikipedia(free encyclopedia). Larson-Miller relation[EB/OL]. http://en.wikipedia.org/wiki/Larson%E2%80%93Miller_relation,2011-9-29.
【2】LARSON F R,MILLER J. A time-temperature relationship for rupture and creep stresses[J]. Trans.ASME,1952,74:765-775.
【3】中国材料工程编委会. 中国材料工程大典:第三卷[M]. 北京:化学工业出版社,2006.
【4】堵百城. 金属计量分析实例[M]. 北京:化学工业出版社,2011.
【2】LARSON F R,MILLER J. A time-temperature relationship for rupture and creep stresses[J]. Trans.ASME,1952,74:765-775.
【3】中国材料工程编委会. 中国材料工程大典:第三卷[M]. 北京:化学工业出版社,2006.
【4】堵百城. 金属计量分析实例[M]. 北京:化学工业出版社,2011.
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