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Joining of Al2O3 to 316SS Using Braze-infiltrated Ni Net

机译：Al 2 O 3 通过钎焊渗入的镍网连接到316SS

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The combination of excellent properties of ceramic and metal for engineering application has become a crucial issue since 1980s. Ceramic-metal joining is considered as a key technique in industry for several decades. However, residual thermal stress and wettability are two major concerns in making the ceramic-metal joint. Several approaches have been proposed in literatures. For instance, molybdenum- manganese metallization process has been applied with long history for ceramic-metal joining.'”) Graded and multiple interlayers between ceramic and metal are applied to reduce residual stresses.* * Stainless steel foam was used as a flex- ible interlayer for the purpose of stress relief. To avoid residual stress cracking the joint, metals with low thermal expansion such as Kovar and Vacon 70 (FeNiCo alloys), ceramics with high strength such as SiC and Si3Ng or with high strength and thermal expansion such as yttria-stablized ZrO are preferred.”' One of the popular method is the active brazing, by which ceramic materials can be directly brazed to metals using the active braze alloy.'''” The widely used filler alloys belong to the AgCuTi system, based on the Ag-28Cu eutectic with 1.55 wt% of Ti additions.
机译：自1980年代以来，将陶瓷和金属的优异性能相结合以用于工程应用已成为至关重要的问题。几十年来，陶瓷金属连接被认为是工业上的关键技术。然而，残留的热应力和润湿性是制造陶瓷-金属接头的两个主要问题。文献中已经提出了几种方法。例如，钼-锰金属化工艺已应用于陶瓷-金属的连接，历史悠久。夹层，以缓解压力。为了避免残余应力使接头开裂，优选使用热膨胀系数低的金属，例如Kovar和Vacon 70（FeNiCo合金），强度高的陶瓷，例如SiC和Si3Ng，或者强度高且热膨胀的陶瓷，例如经氧化钇稳定的ZrO。 “一种流行的方法是活性钎焊，通过这种方法可以使用活性钎焊合金将陶瓷材料直接钎焊到金属上。”'”广泛使用的填充合金属于AgCuTi体系，它基于Ag-28Cu共晶并具有钛添加量的1.55重量％。

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