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- W2356554817 abstract "A novel nano micro particles reinforced B 4C matrix composite, Al 2O 3 TiB 2/B 4C, has been designed and fabricated via in situ synthetic reaction Theoretical calculations and experimental results show that the anticipated in situ reaction can be conducted at relatively low sintering temperature of 1950℃, while high density is obtained In the composite, fine intergranular Al 2O 3 and TiB 2 particles disperse homogeneously in the matrix, while the nano Al 2O 3 particles are uniformly located within the matrix grains It indicates that the inter intragranular structure shapes in the composite The Al 2O 3 TiB 2/B 4C composite is an excellent structural material owing to its outstanding mechanical properties The Vickers hardness of the composite is 28 8GPa The fracture toughness of the composite reaches a high value of 8 27MPa·m 1/2 Compared with pure B 4C, the wear resisting property is doubled with the value of K IC 3/4 HV 1/2 of 26 Furthermore, the toughening mechanism of the nano micro composite is discussed" @default.
- W2356554817 created "2016-06-24" @default.
- W2356554817 creator A5073115199 @default.
- W2356554817 date "2002-01-01" @default.
- W2356554817 modified "2023-09-25" @default.
- W2356554817 title "Preparation of Nano micro Particles Reinforced B_4C Matrix Composite by In situ Reaction" @default.
- W2356554817 hasPublicationYear "2002" @default.
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