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《Mechanics and Engineering》 2005-01
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LINEAR AUTOFRETTAGE STRESS ANALYSIS OF HYDRAULIC COUPING'S OUTER SLEEVE

CHEN Qi LIU Zhigang(College of Power and Nuclear Energy, Harbin Engineering University, Harbin 150001, China)  
Autofrettage in outer sleeves is used to improve carrying capacities of hydraulic coupling. Linear hardening model is used for residual stresses after autofrettage pressurization and after autofrettage depressurization. It is indicated that the best ratio of external radius to inner radius relates not only to the yielding limit, elastic modulus and linear strengthening elastic modulus but also to Bauschinger effect factors. The calculated results for the sizes given by CB*3235-84 shows that compared with non autofrettaged ones, carrying capacities of autofrettaged outer sleeves increases by nearly 50 percent.
【CateGory Index】: U661
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 FENG Guang-bin (Ordnance Technology Research Institute,Ordnance Engineering College,Shijiazhuang,050000);STUDY ON RESIDUAL STRESS DISTRIBUTION OF AUTOFRETTAGED THICK-WALLED CYLINDER[J];Journal of Ordnance Engineering College;2000-04
2 YANG Jinlai (Zhejiang TV University, Hangzhou 310012, China);STUDY IN AUTOFRETTAGE OF HIGH PRESSURE VESSELS[J];MECHANICS AND ENGINEERING;1998-03
【Co-citations】
Chinese Journal Full-text Database 3 Hits
1 Liu Changhai, Jia Jingjing(Daqing Petroleum Institute, Daqing 163318, P. R. China);Experimental Research on the Relaxation of Residual Stress of Autofrettaged Thick-walled Vessel under Circulation Pressure[J];Journal of Northeast Forestry University;2005-03
2 CHEN Qi, LIU Zhi-gang, ZHANG Wen-ping(School of Power and Nuclear Energy Engineering, Harbin Engineering University, Harbin 150001,China);Finite element analysis of the hydraulic coupling for autofrettaged outer sleeve[J];Journal of Harbin Engineering University;2004-03
3 Gao Jun-wei,Xie Guang-wei,Zhou Hou-jun,Zhou Kui(School of mechanical engineering,Yangtze university,Jingzhou Hubei 434023,China);Research on autofrettage technology[J];Mechanical Research & Application;2008-06
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Chinese Journal Full-text Database 4 Hits
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4 Zhu Wuxue Zha Zichu( East China Institute of Technology );AN ELASTI-PLASTIC ANALYSIS OF AUTOFRETTAGED THICK-WALLED CYLINDERS[J];Acta Mechanica Sinica;1987-S1
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