| 高温高压汽缸连接螺栓松驰损伤失效机理研究 |
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| 引用本文： | 章国顺,余素珍.高温高压汽缸连接螺栓松驰损伤失效机理研究[J].江西科学,2010,28(2):231-234. |
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| 作者姓名： | 章国顺 余素珍 |
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| 作者单位： | 江西电力职业技术学院,江西,南昌,330032 |
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| 基金项目： | 赣电科鉴字[2002]第13号 |
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| 摘 要： | 为确保火电厂高温高压状态下的汽缸结合面不漏气,必须对连接螺栓松驰失效进行分析。提出了火电厂高温高压汽缸连接螺栓应力松驰、蠕变损伤及其二者交互作用的特征和机理,以及松驰后的剩余弹性应力不应低于最小密封应力和应控制塑性变形量即不过大也不过早产生。
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| 关 键 词： | 高温高压 连接螺栓 松驰失效 损伤变量 |
Research A Relaxation Damage Failure Mechanism of Bolts Connecting Higt-temperature and High-pressure Cylinders |
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| ZHANG Guo-shun,YU Su-zhen.Research A Relaxation Damage Failure Mechanism of Bolts Connecting Higt-temperature and High-pressure Cylinders[J].Jiangxi Science,2010,28(2):231-234. |
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| Authors: | ZHANG Guo-shun YU Su-zhen |
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| Institution: | Jiangxi Electric Vocationl and Technical College/a>;Jiangxi Nanchang 330032 PRC |
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| Abstract: | To make sure that the connecting surfaces of thermal power plants' cylinders under high-temperature and high-pressure will not leak,it is necessary for us to analyse relaxation damage of connecting bolts.This paper puts forward the stress relaxation of bolts connecting high-temperature and high-pressure cylinders in a thermal power plant.Creep damage and the characteristics and mechanism of their interaction and that the relaxed residual elastic stress should not be less than minimum sealing stress and the ... |
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| Keywords: | High-temperature and high-pressure Connecting bolts Relaxation failure Deformation |
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