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基于响应面法的Inconel625镍基合金GTAW堆焊工艺优化

梁恩宝, 胡绳荪, 王志江

梁恩宝, 胡绳荪, 王志江. 基于响应面法的Inconel625镍基合金GTAW堆焊工艺优化[J]. 焊接学报, 2016, 37(6): 85-88,108.
引用本文: 梁恩宝, 胡绳荪, 王志江. 基于响应面法的Inconel625镍基合金GTAW堆焊工艺优化[J]. 焊接学报, 2016, 37(6): 85-88,108.
shu
LIANG Enbao, HU Shengsun, WANG Zhijiang. Optimization of GTAW cladding process of Inconel 625 on carbon steel using response surface methodology[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(6): 85-88,108.
Citation: LIANG Enbao, HU Shengsun, WANG Zhijiang. Optimization of GTAW cladding process of Inconel 625 on carbon steel using response surface methodology[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(6): 85-88,108.
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基于响应面法的Inconel625镍基合金GTAW堆焊工艺优化

  • 天津大学 材料科学与工程学院, 天津 300350;天津市现代连接技术重点实验室, 天津 300350

基金项目: 天津大学自主创新基金资助项目

Optimization of GTAW cladding process of Inconel 625 on carbon steel using response surface methodology

  • School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China;Tianjin Key Laboratory of Advanced Joining Technology, Tianjin 300350, China

摘要

    摘要
  • 摘要: 堆焊层稀释率和厚度是影响电弧堆焊质量的重要因素，它们是由各焊接参数相互影响综合作用决定的。文中通过中心复合设计试验方案，基于响应面法建立了Inconel625镍基合金GTAW堆焊参数（焊接电流、焊接速度、送丝速度）与响应值稀释率、堆焊层厚度之间的数学模型，分析了各焊接参数对稀释率和堆焊层厚度的影响，并对堆焊参数进行了优化。结果表明，文中试验条件下送丝速度对堆焊层的厚度有着显著的影响，焊接速度和焊接电流对堆焊层厚度的影响较小；焊接电流对稀释率的影响最大，而焊接速度的影响最小；焊接电流和送丝速度的交互作用对稀释率有着重要的影响。
    Abstract: The quality of cladded products depends on the dilution and reinforcement of the overlay, which are the comprehensive results of cladding parameters. Mathematical models between GTAW cladding parameters of Inconel 625 (including welding current, welding speed and wire feed rate) and the dilution/reinforcement of the overlay were proposed. The models were based on central composite rotatable design, which is a typical design method of response surface methodology (RSM). The effect of process parameters on the dilution and reinforcement were analyzed to optimize the cladding process. Experimental results shows that the wire feed rate has significant effect on the reinforcement while welding current and welding speed have less effect. Welding current has the most significant effect on the dilution while welding speed has the weakest effect. The interaction of welding current and welding speed also have significant effect on the dilution.
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    • 参考文献(6)
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  • 收稿日期:  2014-08-03

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