抽油杆疲劳裂纹形状比变化规律

IMECH-IR > 力学所知识产出(1956-2008)

	抽油杆疲劳裂纹形状比变化规律
Alternative Title	THE SHAPE RATIO OF FATIGUE CRACKS ON SUCKER ROD
	姚红星; 冯珩; 石惠宁; 丁建东
Source Publication	力学与实践
	2005-08-15
Volume	27 Issue:4 Pages:32-34
Abstract	采用断裂力学方法研究了抽油杆杆体疲劳裂纹形状比在扩展过程中的变化规律,证明无论初始形状如何,抽油杆杆体疲劳裂纹形状比在扩展过程中趋于同一个稳定数值.通过裂纹扩展实验对直径为15.9mm的抽油杆疲劳裂纹形状比进行了实验测定,发现其裂纹形状比迅速靠近0.78.
Keyword	抽油杆疲劳裂纹形状比裂纹扩展
Indexed By	CSCD
Language	中文
Funding Organization	国家自然科学基金(19872056)项目资助
CSCD ID	CSCD:2001870
Citation statistics
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/41934
Collection	力学所知识产出(1956-2008)
Corresponding Author	姚红星
Recommended Citation GB/T 7714	姚红星,冯珩,石惠宁,等. 抽油杆疲劳裂纹形状比变化规律[J]. 力学与实践,2005,27,4,:32-34.
APA	姚红星,冯珩,石惠宁,&丁建东.(2005).抽油杆疲劳裂纹形状比变化规律.力学与实践,27(4),32-34.
MLA	姚红星,et al."抽油杆疲劳裂纹形状比变化规律".力学与实践 27.4(2005):32-34.

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