Cyclic strength of threaded connection of drill pipes

被引：0

作者：

Kazantsev, A.G. ^{[1
]}

Mazepa, A.G. ^{[1
]}

Kakhadze, M.Zh. ^{[1
]}

机构：

[1] TsNIITMASh, Moscow, Russia

来源：

Tyazheloe Mashinostroenie | 2002年 / 11期

关键词：

Carbon steel - Finite element method - Integral equations - Mathematical models - Strength of materials;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Stressed-strained state of threaded connection and cyclic strength of drill pipes has been investigated. Various loads on the connection arise during operation of drill pipe string. Experimental investigations of the cyclic strength of the connection are very complex. Under such conditions, role of the strength analysis is very important. Mathematical model of the connection has been developed with the use of finite element method. The pipes have been manufactured from steels of 38KhN3MFA, 40KhGNMF, St45 grades. The model makes it possible to determine optimal operation of the threaded connection.

引用

页码：21 / 26

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