| 运用统一强度理论分析预应力组合圆筒分层半径和过盈量 |
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| 引用本文： | 敖文刚, 王歆,.运用统一强度理论分析预应力组合圆筒分层半径和过盈量[J].重庆工商大学学报(自然科学版),2011,28(3):384-288. |
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| 作者姓名： | 敖文刚 王歆 |
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| 作者单位： | 重庆工商大学,机械工程学院,重庆,400067 |
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| 摘 要： | 运用双剪统一强度理论,考虑拉、压异性和中间主应力的影响,对受工作内压作用时预应力组合模具的分层半径和过盈量进行了详细的分析,得到了计算组合圆筒分层半径和过盈量计算的表达式。分析结果表明:分层半径只跟组合圆筒内外径相关,与运用的强度理论和材料特性没有关系;过盈量不但与组合圆筒内外径相关,同时与运用的强度理论和材料特性也有关系。
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| 关 键 词： | 预应力组合模具 统一强度理论 分层半径 过盈量 屈服准则 |
Application of Unified Strength Theory to Analysis of Separate Radius and Shrinkrange of Prestressed Combination Tubes |
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| AO Wen-gang; WANG Xin.Application of Unified Strength Theory to Analysis of Separate Radius and Shrinkrange of Prestressed Combination Tubes[J].Journal of Chongqing Technology and Business University:Natural Science Edition,2011,28(3):384-288. |
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| Authors: | AO Wen-gang; WANG Xin |
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| Institution: | (School of Mechanical Engineering,Chongqing Technology and Business University,Chongqing 400067,China) |
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| Abstract: | Based on unified strength theory,difference in tension and compression in strength as well as the influence of intermediate principle stress,the separate radius and shrinkrange of prestressed combination die with internal working pressure are in detail analyzed,and a formulae for calculating the separate radius and shrinkrange is obtained.Analysis results show that separate radius is only related to the inside radius and outer radius of combination tubes and is irrelative to applied strength theory and mate... |
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| Keywords: | prestressed combination die unified strength theory separate radius shrinkrange yield criterion |
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