Spatially resolved isotopic analysis of a uranium-bearing particle from inside the Fukushima Daiichi unit 2 reactor using high-resolution SIMS. [PDF]
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Silicon Carbide Ceramics for Armor Applications: A Review of Sintering Methods and Additive Systems. [PDF]
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Microstructure and mechanical properties of bilayer B4C/Si-B4C composite
Materials Today Communications, 2021Abstract Bilayer B4C based composites, B4C/Si-B4C, consisting of B4C and B4C/Si two-layer, were obtained using hot pressing method. Effect of Si content on microstructure and mechanical properties of the B4C based layered composites was investigated. The B4C/Si-B4C samples showed good interfacial bonding with different Si additions (x = 4, 8, 12 and ...
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Microstructure and mechanical properties of a three-layer B4C/Al–B4C/TiB2–B4C composite
Materials & Design (1980-2015), 2013Abstract A three-layer structure material, consisting of B 4 C/Al, B 4 C/TiB 2 and B 4 C composites, was obtained using a two-step method for both hot pressing and aluminum infiltration in vacuum. The three-layer B 4 C/Al–B 4 C/TiB 2 –B 4 C composite showed good interfacial bonding.
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Microstructural analyses of B4C–CeO2 and B4C–La2O3 ceramics
Journal of Nuclear Materials, 2011Abstract Effects of additions of CeO 2 and La 2 O 3 on microstructure and mechanical properties of B 4 C fabricated under and without hot press have been investigated. Vickers hardness and fracture strength are increased by hot press due to the reduction of porosity because the sintering rate is enhanced.
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Directional crystallization of B4C–NbB2 and B4C–MoB2 eutectic compositions
Journal of Solid State Chemistry, 2004Abstract We studied the directional crystallization of different compositions in B 4 C–NbB 2 and B 4 C–MoB 2 systems. The eutectic compositions for both systems are evaluated. It is shown that in the first system the rod-like eutectic structure is formed, in second, the “Chinese hieroglyphics”.
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Properties of B4C/Al–B4C composite with a two-layer structure
Materials Research Bulletin, 2013Abstract In order to obtain a material with a promising bulletproof performance, a two-layer structure composite consisting of B4C/Al-B4C was obtained using a two-step method for both hot pressing and infiltration aluminum in vacuum. Before aluminum infiltration the B4C porous layer of the two-layer preform looked like a three-dimensional network of ...
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