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磁处理提高钎杆服役寿命的研究 被引量:2

Study on Improving the Service Life of Drill Rods by Magnetic Treatment
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摘要 本研究对钎杆中的残余应力采用了一种崭新的处理方式———磁处理方法,通过动态磁场与材料中残余应力的相互作用,来达到改善钎杆中残余应力分布、提高钎杆寿命的目的。钎杆的对比寿命实验结果表明:材料为55SiMnMo的钎杆和材料为95CrMo的钎杆在磁处理后平均使用寿命都得到了提高,其中材料为55SiMnMo的钎杆更加明显。进一步研究表明,磁处理对钎杆的破断形式影响不大。 In order to improve the service life of the drill rod, a novel method for reducing residual stress, magnetic treatment, is developed. In this method an interaction between the alternate magnetic field and the residual stress occurs and so the residual stresses are lowered and redistributed. It is verified by experiments that the service lives of the drill rods made from 55SiMnMo steel and those made from 95CrMo steel are all improved after magnetic treatment, and rods made from 55SiMnMo steel got a more obvious improvement. Furthermore it is showed that the fracture form of the drill rods is little affected by magnetic treatment.
出处 《材料工程》 EI CAS CSCD 北大核心 2006年第2期3-6,11,共5页 Journal of Materials Engineering
基金 北京市自然科学基金资助项目(3042010)
关键词 磁处理 钎杆 残余应力 寿命 magnetic treatment drill rod residual stress service life
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参考文献6

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二级参考文献2

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共引文献21

同被引文献23

  • 1毕新胜,王维新,武传宇,丛锦玲,李吉新,李鹏.采棉机水平摘锭的工作原理及采摘力学分析[J].石河子大学学报(自然科学版),2007,25(6):786-789. 被引量:39
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二级引证文献12

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