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  • Experimental Study on Local Heat Treatment of Thick Plate . . .
    In order to realize the local heat treatment of the cylinder to cylinder girth welds of pressure equipment, the temperature distribution and temperature uniformity of the ultra-thick plate during the induction heating are studied based on the medium frequency induction heating technology
  • 机械工程学报-年, 第卷, 第期
    Abstract: In order to realize the local heat treatment of the cylinder to cylinder girth welds of pressure equipment, the temperature distribution and temperature uniformity of the ultra-thick plate during the induction heating are studied based on the medium frequency induction heating technology
  • 承压设备厚板中频感应加热局部热处理试验研究 - 道客巴巴
    The temperature uniformity of the soak band during the heat treatment is the key to ensure the effect of the local heat treatment
  • 承压设备厚板中频感应加热局部热处理试验研究_热处理 承压 . . .
    摘要： 为了实现承压设备总装环缝局部热处理，基于中频感应加热技术，研究了超厚板在感应加热过程中的温度分布规律及温度均匀性。 热处理过程中均温区的温度均匀性是保证局部热处理效果的关键。 以马鞍形厚板为研究对象，进行感应加热试验，利用布置在不同深度的热电偶测量感应加热过程中沿壁厚方向的温度演化曲线。 同样，将感应加热应用于加氢反应器筒体，测量感应加热过程中沿轴向方向的温度演化曲线。 结果表明：马鞍形厚板在整个感应加热过程中沿壁厚方向最大温差在17 ℃以内，在保温阶段的最大温差为 14 4 ℃；加氢反应器筒体焊接接头均温区在整个感应加热过程中最大温差在 42 ℃以内，在保温阶段的最大温差为 12 ℃。 感应加热温度控制精度能够满足超厚板局部热处理均温性的要求，可在大型厚壁容器局部热处理中推广应用。
  • Reducing Axial Temperature Gradient in Thick Wall During Local Heat . . .
    In order to reduce axial temperature gradient in thick wall during local heat treatment of pressure vessels with electromagnetic induction, the electromagnetic–thermal multifield coupling simulation was carried out on the thick-walled pressure vessel cylinder in this paper
  • 山东大学教师主页 金强 科学研究 中文主页
    A rigid-flexible coordinated method to control weld residual stress and deformation during local PWHT for ultra-large pressure vessels International Journal of Pressure Vessels and
  • Residual stress relief strategy in thick steel weldments via local . . .
    This study investigated the effect of local induction post-weld heat treatment (PWHT) on residual stress relief in thick submerged arc welded steel plates
  • 大型厚壁筒体电磁感应加热均温性控制与参数优化
    The larger the current frequency of the induction heating, the faster the heating rate of the cylinder surface In order to maintain temperature uniformity, it is recommended to choose a smaller frequency of 2 kHz within the appropriate range
  • Numerical simulation and experimental study on induction . . .
    The medium frequency induction heating tempering was carried out under 1000 Hz and 20 A after comparing the heating curves of different frequency and current selection
  • Characteristics of Residual Stresses Generated by Induction Heating on . . .
    This paper presents experimental and numerical investigations on the characteristics of residual stresses generated by induction heating (IH) on 12 mm thick steel plates





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