| C型环试验的加载应力计算 |
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| 引用本文： | 赵华莱,姜放,李珣,曹晓燕. C型环试验的加载应力计算[J]. 天然气与石油, 2007, 25(2): 21-24,32 |
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| 作者姓名： | 赵华莱 姜放 李珣 曹晓燕 |
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| 作者单位： | 1. 四川大学,四川,成都,610065
2. 中国石油工程设计有限公司西南分公司,四川,成都,610017 |
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| 摘 要： | 推导了C型环的挠度——应力关系式，对NACE TM0177和GB／T15970．5中的加载应力计算公式进行了比较和讨论；进行了C型环应力与加载挠度的测试，通过公式计算应力值与实际应力值的比较，对加载应力误差进行了分析和讨论，进一步确定了这两个标准各自的适用范围，推荐了对试件进行合理加载的方式。
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| 关 键 词： | C型环 加载应力计算 应力腐蚀开裂 |
| 文章编号： | 1006-5093（2007）02-0021-04 |
| 修稿时间： | 2006-12-27 |
Loading Stress Calculation in C-Type Ring Test |
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| Zhao Hnalai,Jiang Fang,Li Xun,Cao Xiaoyan. Loading Stress Calculation in C-Type Ring Test[J]. Natural Gas and Oil, 2007, 25(2): 21-24,32 |
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| Authors: | Zhao Hnalai Jiang Fang Li Xun Cao Xiaoyan |
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| Abstract: | Derived is the formula of bending deflection and stress and compared and discussed are the loading stress calculation formulas in NACE TM0177 and GT/T 15970.5.Test is made on stress and loading bending deflection of the C-type ring.Compared are the calculated stress value and real stress value.Analyzed and discussed are the loading stress errors,application scope of the above mentioned 2 standards are determined further and a method is recommended for reasonably loading test pieces. |
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| Keywords: | C-type ring Loading stress calculation Stress corrosion cracking |
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