III型裂纹裂尖应力场的内聚力模型
段红燕; 王智明; 桑元成
2017
Source Publication上海交通大学学报
ISSN1006-2467
Volume51Issue:1Pages:113-118
Abstract针对幂指数硬化材料,在小范围的屈服条件下,建立了III型裂纹的内聚力模型,获得了内聚区和塑性区中的应力-应变场及内聚区中的内聚力和张开位移的本构关系.结果表明:对于中等硬度的材料,如果内聚力的峰值小于2.5倍的屈服应力,那么内聚力对塑性区中的应力分布起决定性的作用,传统的弹塑性断裂力学方法和内聚力方法之间存在着差别;当牵引力的峰值变为无穷大时,无论有否内聚力,应力分布都会趋于收敛.
Keyword内聚力模型 断裂力学 弹塑性变形 反平面剪切
Indexed ByCSCD
Language中文
WOS Research AreaEngineering
WOS SubjectENGINEERING MULTIDISCIPLINARY
CSCD IDCSCD:5906148
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/72380
Collection机电工程学院
Affiliation兰州理工大学机电工程学院, 兰州, 甘肃 730050, 中国
First Author AffilicationColl Mechanoelect Engn
First Signature AffilicationColl Mechanoelect Engn
Recommended Citation
GB/T 7714
段红燕,王智明,桑元成. III型裂纹裂尖应力场的内聚力模型[J]. 上海交通大学学报,2017,51(1):113-118.
APA 段红燕,王智明,&桑元成.(2017).III型裂纹裂尖应力场的内聚力模型.上海交通大学学报,51(1),113-118.
MLA 段红燕,et al."III型裂纹裂尖应力场的内聚力模型".上海交通大学学报 51.1(2017):113-118.
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