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- W1968123498 abstract "Boron nitride (BN) was sintered with Al by high pressure hot pressing while preserving the molar ratio of BN:Al 9:1. Ready made samples were additionally annealed at 950 °C under pressure, at 3 × 10−3 Pa for 1 h. The structure of sintered material before and after annealing was studied using transmission electron microscope. From the microscopic observations it could be concluded that the samples prepared both before and after annealing exhibit a compact structure. At the BNAl interface immediately after pressing, small crystallites of Al can be observed. Additionally, after annealing, a layer of columnar AlN grains of 0.04 μm thickness are visible. In the area between AlN and BN phases polycrystalline AlB10 and AlB12 phases can be seen. Hardness of the samples increases twice (~20 GPa/HK1) after annealing. Thermal treatment also results in an increase in mechanical strength of the sintered BNAl system." @default.
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- W1968123498 date "1997-01-01" @default.
- W1968123498 modified "2023-10-17" @default.
- W1968123498 title "BN sintered with Al: Microstructure and hardness" @default.
- W1968123498 doi "https://doi.org/10.1016/0272-8842(95)00137-9" @default.
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