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    • 7. 发明申请
    • SOLDER BRAZE ALLOY
    • 焊接合金
    • WO99002299A1
    • 1999-01-21
    • PCT/EP1998/004309
    • 1998-07-10
    • B23K35/26B23K35/28B23K35/30
    • B23K35/26B23K35/262B23K35/264B23K35/268B23K35/282B23K35/3006
    • The invention, which permits active solder braze technology to be used in a more versatile manner, relates to a solder braze alloy and to a method for joining workpieces by soldering by means of a solder braze alloy. The novel alloy is characterized in that it comprises 1 - 10 % by weight of an element or a mixture of elements of subgroup IVa and/or Va of the Periodic Table of the Elements and 0.1 - 20 wt. % of an element or a mixture of elements of the group of the rare earths and the remainder consists of zinc, lead, tin, bismuth or indium or a mixture predominantly of two or more of the elements zinc, lead, tin, bismuth and indium and optionally of the elements silver, copper, gallium, antimony, nickel, manganese, chromium, cobalt possibly of customary impurities. The alloy according to the invention can be processed as a solder even in oxygen-containing atmospheres, for example in air, has a relatively low processing temperature and exhibits good wetting even of inherently poorly wettable surfaces such as, for example, ceramic surfaces. In a development of the invention the solder braze alloy can be processed without a flux.
    • 允许活性焊料钎焊技术以更通用的方式使用的本发明涉及钎焊钎焊合金以及通过钎焊钎焊合金焊接来连接工件的方法。 该新型合金的特征在于,其包含1-10重量%的元素元素或元素周期表的亚组IVa和/或Va的元素的混合物,以及0.1-20重量% 稀土元素的元素或元素的混合物的%,其余由锌,铅,锡,铋或铟组成,或主要由锌,铅,锡,铋和铟中的两种或多种元素组成的混合物 以及可能的常规杂质的银,铜,镓,锑,镍,锰,铬,钴元素。 即使在含氧气氛中,例如在空气中也可以将本发明的合金作为焊料加工,具有相对低的加工温度,并且甚至具有良好的润湿性,即使是固有的不良润湿表面,例如陶瓷表面。 在本发明的开发中,焊料钎焊合金可以在没有焊剂的情况下被加工。