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等離子熔絲增材制造工藝參數(shù)對RT-1400鈦合金成形性的影響研究
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西安稀有金屬材料研究院有限公司

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西安市科技計劃項目:增材制造核心技術攻關項目(21ZCZZHXJS-QCY6-0009)；秦創(chuàng)原引用高層次創(chuàng)新創(chuàng)業(yè)人才項目:QCYRCXM-2022-290、QCYRCXM-2023-032


Effect of plasma fuse additive manufacturing process parameters on the formability of RT-1400 titanium alloy
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    摘要:

    采用二次回歸正交實驗方法,研究等離子熔絲增材制造不同工藝參數(shù)因素對于成形性結果的影響規(guī)律。結果表明:焊接速度對熔寬的影響最大,功率與焊接速度的交互對熔寬影響最小；送絲速度對熔高的影響最大,焊接速度的重復對熔高影響最??；功率與送絲速率的交互影響對于寬高比影響最大,焊接速度對寬高比的影響最??；熔深主要受到熱輸入量即功率的影響最大。二次回歸模型對實際結果的預測值與實際值誤差在10%以內,預測結果良好。適用于RT-1400鈦合金等離子熔絲增材制造工藝為：P(焊接功率)=3 KW、WFS(送絲速度)=2.4 m/min、Ts(掃描速度)=0.2m/min、焊道間距為5.3mm、采用層間正交掃描方式。

    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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張鵬飛,謝龍飛,張凌峰,姬坤海,田權偉,李恒.等離子熔絲增材制造工藝參數(shù)對RT-1400鈦合金成形性的影響研究[J].稀有金屬材料與工程,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
  • 錄用日期:2024-03-22
  • 在線發(fā)布日期: 2024-12-23
  • 出版日期: 2024-12-16