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�������պ����ѧѧ�� 2004, Vol. 30 Issue (04) :387-390    DOI:
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����, ����, ��ƽ, ��ӱ*
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Study on the wettability of Ti-based brazing filler on titanium-aluminides
Fan Kun, Kang Hui, Qu Ping, Zhu Ying*
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ �������ǥ���ķ���,�ֱ���910���1?000���37.5Ti- 37.5Zr-15Cu-10Ni ǥ����TiAl���Ͻ�����ϵ���ʪ�Խ����о�,���֤��ǥ���¶�Խ��,��ǥ�ϵ���ʪ��Խ��.���������ڸ����¸�Ti��ǥ����ʪ�Եĸ��Ʋ���������������Ľ����й�,���һ���ǥ�Ϻ�ĸ��֮��ķ�Ӧ�������.
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Abstract�� The wettability of 37.5Ti-37.5Zr-15Cu-10Ni brazing filler metal on titanium-aluminides were investigated by vacuum brazing at the temperature of 910�� and 1?000��.The results show that the higher the joining temperature is, the better wettability the filler metal has. Detail analysis shows that the improvement of wettability is not only caused by the surface tension decrease at high temperature, but also the reaction between the base metal and filler metal.
Keywords�� brazing filler metals   wettability   TiAl-based alloys   Ti-based brazing filler     
Received 2003-11-15;
About author: �� ��(1978-),Ů,����������,˶ʿ��, fankun@163.com.
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����, ����, ��ƽ, ��ӱ.Ti��ǥ����TiAl���Ͻ��������ʪ�Ե��о�[J]  �������պ����ѧѧ��, 2004,V30(04): 387-390
Fan Kun, Kang Hui, Qu Ping, Zhu Ying.Study on the wettability of Ti-based brazing filler on titanium-aluminides[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(04): 387-390
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