Characteristics of Static and Fatigue Strength of Alumina Ceramic Joints
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概要
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In general, structural integrity depends on material performance under cyclic loading. It is therefore very important to characterize the fatigue strength characteristics of ceramic/metal joints for wide use in structural applications of engineering ceramics. In this work, in order to clarify the strength characteristics of alumina joints, static strength and cyclic fatigue tests were carried out for joints of Al_2O_3/Al_2O_3 and Al_2O_3/Mo/SUS 304/Mo/Al_2O_3 formed with Ticusil and Cu_<80> Ti_<20> fillers in vacuum. Static tests were conducted at room temperature and elevated temperature. Fatigue tests were conducted at constant stress ratio R(=0.1) and constant frequency f(=50Hz) at room temperature. The strength characteristics of the joints of Al_2O_3/Al_2O_3 formed using Ticusil were similar to the strength characteristics of Al_2O_3. The strength characteristics of the joints of Al_2O_3/Mo/SUS 304/Mo/Al_2O_3 were mainly determined by those of the joint of Mo/Al_2O_3.
- 一般社団法人日本機械学会の論文
- 1996-10-15
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- Characteristics of Static and Fatigue Strength of Alumina Ceramic Joints