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基于高頻感應(yīng)釬焊的TC4鈦合金層積成形研究
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河西學(xué)院,北京航空航天大學(xué),北京航空航天大學(xué)

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國(guó)家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃資助(2011CB605503)


Research on Laminated Forming of TC4 Titanium Alloyby High Frequency Induction Brazing
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Hexi University,Gansu Zhangye,Beihang University,Beihang University

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    摘要:

    為研發(fā)一種以TC4薄板直接作為金屬造形材料的快速成形技術(shù),選用自制的Ti基快冷薄帶釬料,結(jié)合高頻感應(yīng)釬焊技術(shù),制備了層積成形試樣。通過(guò)對(duì)試樣的力學(xué)性能、釬焊接頭界面的顯微組織進(jìn)行分析,結(jié)果表明,由非晶態(tài)釬料制備的層積成形試樣拉伸強(qiáng)度高于TC4,而晶態(tài)釬料的低于TC4。兩種釬料成形試樣的釬焊接頭組織均由(Ti,Zr)2(Cu,Ni)+(Ti,Zr)ss共晶組織和富Zr的a-Ti固溶體構(gòu)成,釬縫的拉伸斷口呈人字紋形貌,為脆性斷裂。

    Abstract:

    In order to explore a new rapid prototyping technique using TC4 alloying sheet as molding material, the laminated forming samples were prepared with self-made Ti-based rapidly solidified brazing ribbons by means of high frequency induction brazing technology. The tensile strength and interfacial microstructure of the brazed joints were examined and analyzed. The results shows that the tensile strength of the amorphous forming sample is higher than TC4, while the crystalline one is lower than TC4, both of the brazed joints consist of (Ti,Zr)2(Cu,Ni)+(Ti,Zr)ss eutectic, Zr-rich solid solution of a-Ti. The tensile fracture shows that the fractures in the joints is brittle with herringbone.

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張靜,張濤,程楊陽(yáng).基于高頻感應(yīng)釬焊的TC4鈦合金層積成形研究[J].稀有金屬材料與工程,2017,46(11):3440~3445.[Zhang Jing, Zhang Tao, Chen Yangyang. Research on Laminated Forming of TC4 Titanium Alloyby High Frequency Induction Brazing[J]. Rare Metal Materials and Engineering,2017,46(11):3440~3445.]
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  • 收稿日期:2015-08-11
  • 最后修改日期:2015-10-04
  • 錄用日期:2015-11-18
  • 在線發(fā)布日期: 2017-12-13
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