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Influence of starting powder choice on structure property relations in gadolinia stabilized zirconia 3Gd-TZP manufactured from co-milled starting powders
Affiliation:1. Postgraduate Programme in Materials Science and Engineering, University of São Paulo, USP/FZEA, Av. Duque de Caxias Norte, 225, 13635-900, Pirassununga, Brazil;2. Forschungszentrum Jülich, Institute for Energy and Climate Research (IEK-1), 52425, Jülich, Germany;3. Federal University of Alfenas, José Aurelio Vilela, 11999, Cidade Universitária, BR 267, Km 533, Poços de Caldas, MG, 37715-400, Brazil;4. Department of Biosystem Engineering, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), 13635-900, Pirassununga, SP, Brazil;1. Department of Functional Powder Materials, Korea Institute of Materials Science, Changwondaero 797, Changwon 51508, Republic of Korea;2. Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India;3. Advanced Materials Engineering Division, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea;1. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, PR China;2. Key National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan 250061, PR China;3. State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, PR China;4. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, PR China;1. National Aeronautics and Space Administration, Cleveland, OH 44135, United States;2. Department of Materials Science, Chair of Structural and Functional Ceramics, Montanuniversität Leoben, Franz Josef-Straße 18, A-8700 Leoben, Austria;3. Thales Alenia Space France SAS, 5 allée des Gabians, BP 99, 06156 Cannes La Bocca cedex, France;4. Connecticut Reserve Technologies, Inc., Cleveland, OH 44114, United States;1. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China;2. Institute for Advanced Ceramics, School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150080, China;3. Institute of Industrial Science, The University of Tokyo, Tokyo, 153-8505, Japan;1. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, People’s Republic of China;2. University of Science and Technology of China, Hefei, 230026, People’s Republic of China;3. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei, 230031, People’s Republic of China;4. Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, People’s Republic of China
Abstract:Two 3Gd-TZP materials were manufactured from powders produced by intense mixing and milling of unstabilized zirconia starting powders and gadolinia as stabilizer oxide by hot pressing at 1250 °C – 1400 °C. The materials show a combination of high toughness and moderate strength. In detail depending on starting powder the two TZP showed distinct differences concerning transformation characteristics, sintering temperature dependence of mechanical properties and the tendency to develop R-curve related deformation features such as non-linear stress strain curves and formation of transformation bands prior to fracture.
Keywords:Ceramics  Zirconia  Microstructure  Phase composition  Mechanical properties  Low temperature degradation
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