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Strong texture microstructure of JIS S45C rolled steel is disadvantage for cutting process. To improve the mechancial properties during the cutting process, heat treatment to remove the strong texture should be done. The experimented results at the heat treatment facilities and laboratories show that the texture seems to remain by the common crystallization annealing process.
8 p hcmute 06/06/2019 413 2
Từ khóa: Rolled steel, texture microstructure, annealing, normalising, grain size
The method of high temperature physical vapor transport (HTPVT) is an available approach to prepare silicon carbide (SiC) ceramics with high density and high purity. In the present work, α-SiC (6H-SiC) and β-SiC (3C-SiC) powders were used as staring matericals respectively to fabricate SiC ceramics with HTPVT process, and the affects of staring materials on nucleation, density, microstructure and mechanical properties of SiC ceramics were...
8 p hcmute 06/06/2019 362 3
Từ khóa: Silicon carbide; Staring materials; Grain size; Mechanical properties
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