| LDPE超高压管式反应器自增强弹塑性界面半径分析 |
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| 引用本文： | 马小明,马文婷,刘慧华. LDPE超高压管式反应器自增强弹塑性界面半径分析[J]. 石油化工设备, 2009, 38(3): 57-59 |
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| 作者姓名： | 马小明 马文婷 刘慧华 |
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| 作者单位： | 华南理工大学,机械与汽车学院,广东,广州,510640 |
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| 摘 要： | 为确定LDPE超高压管式反应器自增强处理的弹塑性界面半径，用几种理论方法计算了最佳弹塑性界面半径，并利用残余应力试验方法进行了证明。试验结果表明，残余应力曲线在弹塑性半径附近出现拐点，与理论结果相符合，为该类型反应器的研究奠定了良好的基础。
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| 关 键 词： | 反应器 弹塑性界面半径 自增强技术 残余应力 分析 |
Analysis of Auto-ferrittage Elastic-plastic Boundary Radius for LDPE Ultrahigh Pressure Tubular Reactor |
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| MA Xiao-ming,MA Wen-ting,LIU Hui-hua. Analysis of Auto-ferrittage Elastic-plastic Boundary Radius for LDPE Ultrahigh Pressure Tubular Reactor[J]. Petro-Chemical Equipment, 2009, 38(3): 57-59 |
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| Authors: | MA Xiao-ming MA Wen-ting LIU Hui-hua |
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| Affiliation: | (School of Mechanical ＆ Automotive Engineering, South China University of Technology, Guangzhou 510640, China) |
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| Abstract: | In order to determine auto-ferrittage elastic-plastic boundary radius for LDPE ultra-high pressure tubular reactor, several different theoretical methods were used to calculate autoferrittage elastic-plastic boundary radius,and the results were also verified by residual stress test method. The test result indicated that there was an inflexion for the residual stress near the elastic-plastic radius. The test results were in match with the theoretical ones and this will provide good reference for further study on this issue. |
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| Keywords: | reactor elastic plastic boundary radius auto-ferrittage residual stress analysis |
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