基于瑞利波声弹性系数标定试验,采用一发一收瑞利波探头采集瑞利波信号,结合瑞利波信号分析探讨了热处理组织影响碳钢表层应力评价的机理.结果表明,随碳钢晶粒尺寸增大,瑞利波声弹性系数略有增大,瑞利波信号间时间差-载荷曲线的转折点载荷越接近试样弹性极限载荷,高载荷阶段瑞利波信号间时间差波动随载荷增大略有增大.分析认为,晶粒尺寸增大导致试样塑性变形能力下降、试样表面粗糙度及瑞利波探头与试样耦合质量是导致上述结果的重要原因.
参考文献
| [1] | 臧新良,刘利刚,王玉辉,钱玉,杨庆祥.预热对中高碳钢堆焊冷却温度场和应力场影响的数值模拟[J].材料热处理学报,2013(10):187-192. |
| [2] | 刘彬,董世运.基于临界折射纵波无损评价激光熔覆层应力[J].焊接学报,2014(09):53-56. |
| [3] | 陈冷,张清辉,毛卫民.残余应力及其分布的X射线二维衍射分析与计算[J].材料热处理学报,2006(01):120-123. |
| [4] | Liu C;Yi X .Residual stress measurement on AA6061-T6 aluminum alloy friction stir butt welds using contour method[J].Materials and Design,2013,46:366-371. |
| [5] | 刘川,庄栋.基于轮廓法测试焊接件内部残余应力[J].机械工程学报,2012(08):54-59. |
| [6] | Hayes M;Rivlin R S.Surface waves in deformed elastic materials[J].Archive for Rational Mechanics and Analysis,1961(8):359-380. |
| [7] | Hu E Y;He Y M;Chen Y M .Experimental study on the surface stress measurement with Rayleigh wave detection technique[J].Applied Acoustics,2009,70:356-360. |
| [8] | 魏勤,卫婷,宋广三.超声瑞利波测试材料表面载荷应力的实验研究[J].实验力学,2011(02):176-180. |
| [9] | Liu B;Dong S Y;Xu B S et al.Coating thickness affects surface stress measurement of brush electro-plating nickel coating using Rayleigh wave approach[J].ULTRASONICS,2012,52(7):861-865. |
| [10] | 刘彬,董世运,徐滨士,何鹏,闫世兴.初始应力对瑞利波无损评价45钢表层应力的影响[J].材料工程,2012(05):35-38. |
| [11] | 刘彬,董世运,徐滨士,何鹏.瑞利波无损评价薄镀层应力方法的试验[J].材料热处理学报,2012(03):110-113. |
| [12] | 石一飞,沈中华,倪晓武,陆建.激光激发瑞利波测量铝合金焊接残余应力[J].中国激光,2008(10):1627-1631. |
| [13] | Wei Z;Zhou X J;Cheng Y D .Acoustoelastic determination of local surface stresses in polymethymethacrylate[J].Applied Acoustics,2000,61:477-485. |
| [14] | Duquennoy M;Ouaftouh M;Ourak M .Ultrasonic evaluation of stresses in orthotropic materials using Rayleigh wave[J].NDT & E International,1999,32(4):189-199. |
| [15] | David H;Mordechai A .Time delay estimation between two phase shifted signals via generalized cross-correlation methods[J].Signal Prcoessing,1985,8:235-257. |
| [16] | Ooyang X X;Luo L Y;Xiong J Y .Time delay estimation using windowed differential magnitude of cross correlation and its hilbert transform[J].Procedia Engineering,2012,29:2033-2038. |
| [17] | Siamak A;Rasool M .Improvement in accuracy of the measurement of residual stresses due to circumferential welds in thin-walled pipe using Rayleigh wave method[J].Nuclear Engineering and Design,2009,239:2201-2208. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%