نویسندگان
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
This study discusses about the ceramic-metal joint. Alumina and copper samples with the Ag-Cu-Sn-Zr nano filler at 1050°C of the temperature and 20 minutes of the holding time had been jointed in the furnace. The cross-cutting and the microscopic examination of the sample showed that the sample was joined by the filler with the active zirconium. It was absolutely spotless and the joint region was continuous. The active zirconium reacted with the surface of the ceramic and helped it being metalized. Thus, the difference of the coefficient expansion between the metal and the ceramic and also thermal stresses reduced, and there was no crack. The shear strength of the joint was measured as 18.37 (MPa).
کلیدواژهها [English]
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