环槽铆钉群铆效应及铆后预紧力松弛试验研究
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刘震北,王海磊,董伟东,李亮,王琨,刘永健,刘紫豪
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Experimental study on group riveting effect and post-rivet preload relaxation of ring groove rivet
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Zhenbei LIU,Hailei WANG,Weidong DONG,Liang LI,Kun WANG,Yongjian LIU,Zihao LIU
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| 表 4 预紧力松弛结果 |
| Tab.4 Preload relaxation results |
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| 铆钉编号 | P1/ kN | Pa/ kN | ΔPa/ kN | ra/% | | 铆钉编号 | P1/ kN | Pa/ kN | ΔPa/ kN | ra/% | | FA14 | 349.9 | 327.7 | 22.2 | 6.34 | | T14 | 337.5 | 328.2 | 9.3 | 2.76 | | FA58 | 355.4 | 349.7 | 5.7 | 1.60 | | T66 | 343.1 | 332.6 | 10.5 | 3.06 | | FA106 | 350.7 | 345.7 | 5.0 | 1.43 | | T74 | 338.2 | 326.6 | 11.6 | 3.43 | | FA110 | 348.8 | 343.5 | 5.3 | 1.52 | | T98 | 329.0 | 311.3 | 17.7 | 5.38 | | FA126 | 348.9 | 343.9 | 5.0 | 1.43 | | T110 | 316.4 | 309.5 | 6.9 | 2.18 | | FB3 | 353.3 | 347.8 | 5.5 | 1.56 | | B14 | 339.4 | 331.3 | 8.1 | 2.39 | | FB19 | 344.2 | 339.4 | 4.8 | 1.39 | | B66 | 337.0 | 334.0 | 3.0 | 0.89 | | FB23 | 342.2 | 337.1 | 5.1 | 1.49 | | B74 | 339.8 | 331.5 | 8.3 | 2.44 | | FB71 | 331.1 | 326.0 | 5.1 | 1.54 | | B98 | 361.4 | 337.9 | 23.5 | 6.50 | | FB115 | 351.2 | 345.6 | 5.6 | 1.59 | | B110 | 343.1 | 335.0 | 8.1 | 2.36 |
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