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Full-Text Articles in Mechanical Engineering
Microstructure And Properties Of Spark Plasma Sintered Moalb Ceramics, Ting Lou
Microstructure And Properties Of Spark Plasma Sintered Moalb Ceramics, Ting Lou
Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research
Molybdenum aluminum boride (MoAlB) is a ternary transition metal boride which has promising aeronautic and nuclear applications. It inheres excellent properties of the binary transitional metal borides (e.g., MoB, ZrB2) such as high melting temperature, high hardness, and thermal conductivity. Besides, MoAlB is superior to MoB because: (1) the Al element provides an oxidation resistance at high temperatures; (2) its nanolaminated structure consisting of M-B layers with alternating Al layers results in a unique damage tolerance property. In this research, polycrystalline MoAlB have been successfully synthesized and simultaneously sintered using spark plasma sintering (SPS) from molybdenum boride (MoB) …