OALib Journal期刊
ISSN: 2333-9721
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疲劳-蠕变交互作用的寿命预测探讨
Abstract:
?从反映物系运动过程的能量守恒定律和动量守恒定律出发,对材料疲劳--蠕变交互作用下的破坏过程进行了分析,推导出一个新的疲劳--蠕变交互作用的寿命预测模型.与已有的疲劳--蠕变交互作用寿命预测模型相比,本文提出的模型具有适用性强(对于应力控制模式和应变控制模式均适用)、形式简单、所需参数少和应用方便等优点.为检验本文提出模型的准确性,进行了1.25cr0.5mo钢光滑试样540℃和520℃环境下应力控制的梯形波加载试验,用本文提出的模型进行了上述两种温度环境下的疲劳--蠕变交互作用的寿命预测,预测结果与实际测量结果符合较好.
References
[1] | 4jeongchangyeol,choibaiggyu,namsoowoo,mate-rialsletters.,49(1),20(2001)
|
[2] | 5soowoonam,soochanlee,jeminlee,nuclearengi-neeringanddesign.,153,213(1995)
|
[3] | 6soowoonam,materialsscienceandengineering.,a322(1~2),64(2002)
|
[4] | 13wangren,huangwenbin,huangzhuping,guidetheoryofplasticitymechanics(beijing,beijinguniver-sitypress,1992)p.1(王仁,黄文彬,黄筑平,塑性力学引论(北京,北京大学出版社,1992)p.1)
|
[5] | 1chengl,chinesejournalofmetalsciencetechnology.,16,391(1990)
|
[6] | 2hejiurui,hightemperaturefatigueofmetals(beijing,sciencepress,1988)p.(何晋瑞,金属高温疲劳(北京,科学出版社,1988)p.)
|
[7] | 3suhangsheng,hejinrui,journalofchinesematerialsformechanicalengineering.,4,30(1989)(苏翰生,何晋瑞,机械工程材料,4,30(1989))
|
[8] | 7goswamitarun,hightemperaturematerialsandpro-cesses.,14(2),101(1995)
|
[9] | 8goswamitarun,hightemperaturematerialsandpro-cesses.,15(1~2),91(1996)
|
[10] | 9goswamitarun,internationaljournaloffatigue.,19(2),109(1997)
|
[11] | 10hongyinmao,sankaranmahadevan,internationaljournaloffatigue.;22(9),789(2000)
|
[12] | 11r.lagneborg,r.attermo,metalltrans.,2,1821(1971)
|
[13] | 12yangguangsong,damagemechanicsandcomplexma-terialdamage(beijing,nationaldefenceindustrypress,1995)p.23(杨光松,损伤力学与复合材料损伤(北京,国防工业出版社,1995)p.23)
|
[14] | 14yangtiecheng,chenling,fanzhichao,chenxue-dong,jiangjialing,journalofchinesepressurevesseltechnology.,22(9),8(2005)(杨铁成,陈凌,范志超,陈学东,蒋家羚,压力容器,22(9),8(2005))
|
[15] | 15halford,g.r,thermalstressⅱ(uk,oxford,elseviersciencepublication,1987)p.330
|
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