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1. 发明授权

US06692586B2 High temperature melting braze materials for bonding niobium based alloys 有权
标题翻译：用于粘结铌基合金的高温熔融钎焊材料
公开(公告)号：US06692586B2
公开(公告)日：2004-02-17
申请号：US09864048
申请日：2001-05-23
申请人： Raymond R. Xu , Amit Chatterjee
发明人： Raymond R. Xu , Amit Chatterjee
IPC分类号： C22C1400
CPC分类号： B23K35/30 , B23K35/0244 , B23K35/28 , B23K35/32 , B23K35/325 , B23K2103/08 , C22C14/00 , C22C27/02 , C22C28/00
摘要： This invention relates to a high temperature melting composition and a method of using the composition for brazing high temperature niobium-based substrates, such as niobium-based refractory metal-intermetallic compositions (RMIC), including but not restricted to niobium-silicide composite alloys. The high temperature melting composition can include one or more alloys. The alloys include a base element selected from titanium, tantalum, niobium, hafnium, silicon, and germanium. The alloys also include at least one secondary element that is different from the base element. The secondary element can be selected from chromium, aluminum, niobium, boron, silicon, germanium and mixtures thereof. When two or more alloys are included in the composition, it is preferable, but not required, to select at least one lower melting alloy and at least one higher melting alloy. The composition is preferably a homogeneous mixture of the two or more alloys combined in powder form.
摘要翻译：本发明涉及一种高温熔融组合物和使用该组合物钎焊高温铌基基材的方法，例如铌基难熔金属 - 金属间化合物（RMIC），包括但不限于铌 - 硅化物复合合金。高温熔融组合物可以包括一种或多种合金。合金包括选自钛，钽，铌，铪，硅和锗的基础元素。该合金还包括至少一个不同于基础元件的次要元件。次要元素可以选自铬，铝，铌，硼，硅，锗及其混合物。当组合物中包含两种或更多种合金时，优选但不需要选择至少一种较低熔点的合金和至少一种较高熔点的合金。该组合物优选是以粉末形式组合的两种或多种合金的均匀混合物。

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