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首页 > 过刊浏览>2024年第53卷第12期 >3457-3464. DOI:10.12442/j.issn.1002-185X.20230647
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等离子熔丝增材制造工艺参数对RT-1400钛合金成形性的影响研究
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西安稀有金属材料研究院有限公司

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西安市科技计划项目:增材制造核心技术攻关项目(21ZCZZHXJS-QCY6-0009)；秦创原引用高层次创新创业人才项目:QCYRCXM-2022-290、QCYRCXM-2023-032

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    摘要:

    采用二次回归正交实验方法,研究等离子熔丝增材制造不同工艺参数因素对于成形性结果的影响规律。结果表明:焊接速度对熔宽的影响最大,功率与焊接速度的交互对熔宽影响最小；送丝速度对熔高的影响最大,焊接速度的重复对熔高影响最小；功率与送丝速率的交互影响对于宽高比影响最大,焊接速度对宽高比的影响最小；熔深主要受到热输入量即功率的影响最大。二次回归模型对实际结果的预测值与实际值误差在10%以内,预测结果良好。适用于RT-1400钛合金等离子熔丝增材制造工艺为：P(焊接功率)=3 KW、WFS(送丝速度)=2.4 m/min、Ts(扫描速度)=0.2m/min、焊道间距为5.3mm、采用层间正交扫描方式。

    Abstract:

    Quadratic regression orthogonal experiment was used to study the influence of different process parameters on the formability results of plasma fuse additive manufacturing. The results show that the welding speed has the greatest influence on the welding width, and the interaction between power and welding speed has the least influence on the welding width. The effect of wire feeding speed on melting height is the greatest, and the repetition of welding speed has the least effect on melting height. The interaction between power and wire feed rate has the greatest influence on aspect ratio, and the welding speed has the least influence on aspect ratio. The melting depth is mainly affected by the heat input, that is, the power. The error between the predicted value and the actual value of the quadratic regression model is less than 10%, and the predicted result is good. It is suitable for the additive manufacturing process of RT-1400 titanium alloy plasma fuse: P(welding power)= 3KW, WFS(wire feed speed)= 2.4m /min, Ts(scanning speed)=0.2m/min, welding pass spacing is 5.3mm, using interlayer orthogonal scanning mode.

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张鹏飞,谢龙飞,张凌峰,姬坤海,田权伟,李恒.等离子熔丝增材制造工艺参数对RT-1400钛合金成形性的影响研究[J].稀有金属材料与工程,2024,53(12):3457~3464.[Zhang pengfei, Xie longfei, Zhang lingfeng, Ji kunhai, Tian quanwei, Li heng. Effect of plasma fuse additive manufacturing process parameters on the formability of RT-1400 titanium alloy[J]. Rare Metal Materials and Engineering,2024,53(12):3457~3464.]
DOI：10.12442/j. issn.1002-185X.20230647

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  • 收稿日期:2023-10-16
  • 最后修改日期:2024-03-06
  • 录用日期:2024-03-22
  • 在线发布日期: 2024-12-23
  • 出版日期: 2024-12-16

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