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首页> 外国专利> TiAl TiAl TiAl-BASED ALLOY HAVING EXCELLENT HIGH-TEMPERATURE FORMABILITY AND METHOD FOR MANUFACTURING TiAl-BASED ALLOY MEMBER USING THE SAME

TiAl TiAl TiAl-BASED ALLOY HAVING EXCELLENT HIGH-TEMPERATURE FORMABILITY AND METHOD FOR MANUFACTURING TiAl-BASED ALLOY MEMBER USING THE SAME

机译：具有卓越的高温成形性的TiAl TiAl基TiAl基合金及其制造TiAl基合金部件的方法

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摘要

The present invention, (a) 40.0 to 42.0 atomic% aluminum (Al); 5.0 to 7.0 atomic% niobium (Nb); 3.0 to 5.0 atomic percent vanadium (V); 1.0 to 3.0 atomic% iron (Fe); 0.2 to 0.4 atomic% silicon (Si); 0.1 to 0.3 atomic% of boron (B); Carbon (C) greater than 0 atomic% and up to 0.2 atomic%; Titanium (Ti) balance; And TiAl-based alloy having excellent high-temperature formability including inevitable impurities and a method of manufacturing a TiAl-based alloy member using the same, the novel TiAl-based alloy according to the present invention has significantly improved high-temperature molding compared to the existing TiAl-based alloy It can greatly reduce the manufacturing process of TiAl-based alloy members such as high-temperature engine parts and significantly reduce manufacturing costs. In addition, according to the method of manufacturing a member using the TiAl-based alloy according to the present invention, the TiAl with improved fracture toughness and creep resistance is improved by performing an optimized heat treatment after easily performing a molding process using the TiAl-based alloy having excellent high-temperature formability Based alloy member can be produced.
机译：（a）40.0〜42.0原子％的铝（Al）; 5.0至7.0原子％铌（Nb）; 3.0至5.0原子百分比的钒（V）; 1.0至3.0原子％的铁（Fe）; 0.2至0.4原子％的硅（Si）;硼（B）的0.1至0.3原子％;碳（C）大于0原子％且至多0.2原子％;钛（Ti）平衡;以及具有极好的包括不可避免的杂质的高温成形性的TiAl基合金，以及使用该TiAl基合金制造TiAl基合金构件的方法，根据本发明的新型TiAl基合金与铝相比，具有显着改善的高温成型性。现有的TiAl基合金可以大大减少高温发动机零件等TiAl基合金构件的制造工艺，并显着降低制造成本。另外，根据本发明的使用TiAl基合金的构件的制造方法，通过容易地进行使用TiAl-的成型加工后的优化的热处理，可以提高断裂韧性和耐蠕变性，从而提高TiAl的韧性。具有优异的高温成形性的镍基合金可以生产基合金构件。

著录项

  • 公开/公告号KR102095463B1

    专利类型

  • 公开/公告日2020-03-31

    原文格式PDF

  • 申请/专利权人 안동대학교 산학협력단;

    申请/专利号KR20180059200

  • 发明设计人 김대진;금동엽;

    申请日2018-05-24

  • 分类号C22C14;C22C30;C22F1/18;

  • 国家 KR

  • 入库时间 2022-08-21 11:05:00

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