Spajanie ceramiki SiC i kompozytów Al2O3-SiC z metalami

• Autorzy: Włosiński W. , Olesińska W. , Jagoda A.

Warianty tytułu

EN

The joining ceramic SiC and composite Al2O3-SiC to metals

• Języki publikacji: PL

Abstrakty

PL

Przedstawiono wyniki badań nad spajaniem ceramiki SiC i kompozytów korundowo-weglikowych, których powierzchnię aktywowano tytanem, chromem i miedzią. Tytan i chrom nakładano techniką sputteringu, miedź nakładano metodą elektrochemiczną. Badano mikrostrukturę wytworzonych warstw i złączy SiC-Mo i Al2O3-SiC/FeNi42 spajanych lutem CuMn12Ni3 i miedzią w atmosferze azotu oraz wytrzymałość mechaniczną. Badania złączy, w których powierzchnia ceramiki aktywowana była również chromem, nie wykazały defektów mechanicznych powstających w procesie spajania, powierzchnia ceramiki pokryta była ciągłą warstwą lutu. Analiza fazowa powierzchni złączowej wykonana metodą dyfrakcji rentgenowskiej wykazała obecność faz MeSiC. Wytrzymałość mechaniczna złączy lutowanych z ceramiką, której powierzchnia była modyfikowana warstwami Ti, Cr i Cu, jest wystarczająca dla aplikacji elektronicznych.

EN

The paper presents the results of studies on joining SiC ceramics and Al2O3-SiC with the ceramic surface being activated by titanium, chromium or copper. Titanium and chromium were deposited by the sputtering technique, and copper - by the electro-chemical method. The microstructures of the SiC/Mo and Al2O3-SiC/FeNi42 joints brazed with the CuMn12Ni3 solder and copper in a nitrogen atmosphere were examined and the results discussed. The presented paper includes the results: -diffraction pattern of sintered layers (Tab. 1, Fig. 1), -microstructures of the joints SiC/Mo and Al2O3-SiC/FeNi42 (Figs. 3-5, 7), -mechanical strength of the joints (Tab. 2, Fig. 6). The joints, in which the ceramic surface was activated in addition with chromium, do not contain mechanical defects caused by the joining process, and the ceramic surface is covered with a continuous layer of the solder. A phase analysis of the interface surface identified a MeSiC phase. The lowest number of new phases was observed in the case of SiC ceramics with chromium and titanium layers. Besides TiC, Ti3SiC2 and Cr2C phases were identified. The amount of the new dispersive phases is rising in the presence of manganese. High mechanical strength was obtained only for joints with the layers containing chromium and titanium. SiC/Mo and Al2O3-SiC/FeNi42 joints soldered by the layers with chromium and titanium have continues and compact microstructures on all the length of the joint. There was obtained a barrier layer in the SiC ceramics (Fig. 2). The thickness of the barrier of Ti3SiC2 was about 1 [micro]m. The ternary of Ti3SiC2 compound shows a combination of properties that is unparalleled among ceramic materials (Fig. 9). In the joining processes, it is advantageous when the interface formed on the ceramics contains high plasticity phases, since they enable relaxing the thermal stresses generated when joining the materials with greatly differing thermal properties. There were no new phases on the surface of composite ceramics. The surface with a chromium layer was wetted very well by the solder, which was similar to the behaviour of silicon nitride ceramics (Fig. 8). For electronic application the mechanical strength of the joints is sufficient.

Słowa kluczowe

PL

złącza ceramika-metal; spajanie SiC/Mo; spajanie Al2O3-SiC/FeNi42; warstwa barierowa

EN

ceramic coatings; joining SiC/Mo; joining Al2O3-SiC/FeNi42; active metal braze

• Wydawca: Wydawnictwo Politechniki Częstochowskiej
• Czasopismo: Kompozyty
• Rocznik: 2004
• Tom: R. 4, nr 12
• Strony: 363--368
• Opis fizyczny: Bibliogr. 8 poz., rys., tab.

Twórcy

autor

Włosiński W.

• Instytut Technologii Materiałów Elektronicznych, ul. Wólczyńska 133, 01-919 Warszawa

autor

Olesińska W.

• Instytut Technologii Materiałów Elektronicznych, ul. Wólczyńska 133, 01-919 Warszawa

autor

Jagoda A.

• Instytut Technologii Materiałów Elektronicznych, ul. Wólczyńska 133, 01-919 Warszawa

Bibliografia

• [1] Włosiński W., Olesińska W., Properties of AlN-metal joints depending on the chemical composition of interlayers, Advances in manufacturing science and technology, Polish Academy of Sciences 2002, 26, 1.
• [2] Tillman W., Lugscheider E., Xu R., Indacochea J.E., Kinetic and microstructural aspects of the reaction layer at ceramic/ metal braze joints, J. Mater. Sci. 1996, 31, 45-452.
• [3] Jian-Guo Li, Wetting of Ceramic Materials by Liquid Silico, Aluminium and Metallic Melts Containing Titanium and other Reactive Elements: A Review, Ceramics International 1994, 20, 391-412.
• [4] Gottseling B., Gyarmati E., Naoumidis A., Nikel H., Joining of ceramics Demonstrtrated by the Exemple of SiC/Ti, J. Euro- pen Ceram. Soc. 1990, 6, 153-160.
• [5] Xiao P., Derby B., The wetting of silicon nitride by chromium-containg alloys, J. Mater. Sci. 1995, 30, 5915-5922.
• [6] Park C.S., Zheng F., Salamone S., Bordia R.K., Processing of composites in the Ti-Si-C system, J. Mater. Sci. 2001, 38, 3313-3322.
• [7] Wu E., Kisi E.H., Kennedy S.J., Studer A.J., In situ neutron powder diffraction study of Ti3SiC2 syntesis, J. Am. Ceram. Soc. 2001, 84, 2281-88.
• [8] Da Chen, Shirato K., Barsoum M.W., El-Raghy T., Ritchie R.O., Cyclic fatique-crak growth and fracture properties in Ti3SiC2 ceramics at elevated temperatures, J. Am. Ceram. Soc. 2001, 84, 12, 2914-2920.