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B 4 C powders were synthesized by carbothermal reduction using mixtures of B 2 O 3 , carbon black, and B 4 C seed grains, and the effects of addition of B 4 C seed grains on the morphologies and yields of the synthesized B 4 C powders were investigated. The B 4 C particles added to the starting mixture of B 2 O 3 and C acted as...
Carbothermal reduction using B 2 O 3 and carbon black was applied for synthesis of B 4 C powder and the effects of heat-treatment temperature and starting composition of raw mixture on morphology of B 4 C particles were investigated. Morphology of B 4 C particles synthesized at 1450°C was mainly spherical shapes. The B 4 C powder synthesized at 1550°C...
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