| 焊接金属波纹管失弹机理研究-应力松弛 |
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| 引用本文： | 安源胜,蔡仁良,刘卫东,汤毓红,何骁.焊接金属波纹管失弹机理研究-应力松弛[J].润滑与密封,2002(1):7-9. |
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| 作者姓名： | 安源胜 蔡仁良 刘卫东 汤毓红 何骁 |
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| 作者单位： | 1. 华东理工大学,上海,200237
2. 上海炼油厂 |
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| 摘 要： | 高温下，波纹膜片的应力松弛是造成波纹管失弹的主要原因，本文通过对焊接金属波纹管的受力分析，从金属材料普遍遵循的Bailey-Norton定律导出了波纹管的弹力松弛方程，试验对比结果表明，该公式较好地反映了波纹管实际使用过程中的失弹情况，具有较好的应用性。
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| 关 键 词： | 焊接金属波纹管 应力松弛 失弹 机械密封 |
Study on the Mechanism of Elasticity Loss of Welded Metal Bellows |
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| An Yuansheng Cai Renliang.Study on the Mechanism of Elasticity Loss of Welded Metal Bellows[J].Lubrication Engineering,2002(1):7-9. |
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| Authors: | An Yuansheng Cai Renliang |
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| Abstract: | Elasticity of welded metal bellows may lose as time goes on at elevated temperature. Based on the stress analysis of welded metalbellows and Bailey-Norton law, a new elasticity relaxation equation has been prpposed in this paper, and some relaxation tests have been made.Results show that the equation perfectly reflects the elasticity loss of metal bellows in reality and can be used widely. |
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| Keywords: | Welded Metal Bellows Stress Relaxation Elasticity Loss Mechanical Seal |
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