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低摩擦速度下CT80油管摩擦磨损性能 预览

Friction and Wear Properties of CT80 Tubing under Low Friction Velocity
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摘要 研究采油过程中CT80油管与电缆在0.01~0.13m/s速度下对摩时的摩擦磨损行为及其对油管剩余强度的影响。采用扫描电子显微镜及金相显微镜对油管组织、磨损表面及截面特征进行表征。结果表明:CT80油管的磨损量、壁厚减薄量与摩擦因数随摩擦速度增加先增大,速度达到0.07m/s后趋于平稳;磨损率随着摩擦速度增加先增大后降低,最大磨损率对应的摩擦速度为0.07m/s;采油过程中磨粒磨损与腐蚀磨损共同作用于油管,随着摩擦速度升高磨粒磨损造成的损失降低,腐蚀磨损造成的损失升高;随着摩擦速度增加油管的剩余抗挤毁强度以及剩余抗内压强度先降低后趋于平稳。 The influence of velocity(from 0.01 m/s to 0.13 m/s)on friction and wear behavior and the residual strength of the CT80 tubing during oil recovery were studied.The tubing microstructure and the characteristics of the wear surfaces and cross sections were analyzed by the scanning electron microscope(SEM)and the metallographic microscope.The results show that the wear mass loss and wall thickness reduction of CT80 tubing and the friction coefficient between tubing and cable are increased rapidly with increasing of friction velocity,then are stabilized when the friction velocity reaches 0.07 m/s.The wear rate of the tubing is increased first and then decreased,and the critical velocity corresponding to the maximum wear rate is 0.07 m/s.Abrasive wear and corrosive wear of the tubing occur at the same time during oil recovery,and as friction velocity increases,the wear mass loss produced by abrasive wear is decreased,while the wear mass loss produced by corrosive wear is increased.As friction velocity increases,the collapsing strength and residual internal pressure strength of the tubing are decreased first then stabilized.
作者 徐学利 王涛 余晗 董会 李霄 XU Xueli;WANG Tao;YU Han;DONG Hui;LI Xiao(School of Materials Science and Engineering,Xi’an Shiyou University,Xi’an Shaanxi 710065,China;National Petroleum and Gas Tubular Goods Engineering Technology Research Center,Baoji Petroleum Steel PipeCo.,Ltd.,Baoji Shaanxi 721008,China)
出处 《润滑与密封》 CAS CSCD 北大核心 2019年第2期66-71,共6页 Lubrication Engineering
基金 国家自然科学基金项目(51605384) 陕西省自然科学基础研究计划项目(2016JQ5077) 陕西省教育厅专项科研计划项目(16JK1597) 西安石油大学《材料科学与工程》省级优势学科资助项目(YS37020203) 西安石油大学研究生创新与实践能力培养项目(YCS17111008).
关键词 CT80油管 摩擦速度 磨损机制 剩余强度 CT80 tubing friction velocity wear mechanism residual strength
作者简介 王涛(1993—),硕士研究生,研究方向为材料的摩擦与润滑.E-mail:836702196@qq.com;通信作者:董会(1981—),男,博士,副教授,研究方向为涂层腐蚀、耐磨性能研究.E-mail:donghuihyy@163.com.
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