Method for preparing boron carbide material
AssigneesYunnan Huapu Quantum Material Co., Ltd, Roi Optoelectronics Technology Co, Ltd., Chongqing Institute of East China Normal University, East China Normal University
InventorsHeping Zeng, Mengyun Hu, Wei Qiao
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Abstract
A method for preparing a boron carbide material includes: providing raw materials of a boron material, a carbon material and a rare earth oxide, wherein an element molar ratio B:C of the boron material to the carbon material is in a range of 4:1 to 4:7, and the rare earth oxide is in an amount of 5 wt % or less based on a total weight of the raw materials, mixing and milling the raw materials to obtain a mixture, compressing the mixture into a tablet form by a tablet press, and sintering the compressed mixture by a laser, wherein the laser has a laser wavelength of 980 nm, a laser power in a range of 100 to 3000 W, and a laser irradiation time of 3 to 60 s.
Claims15
A method for preparing a boron carbide material, comprising:
- providing raw materials of a boron material, a carbon material and a rare earth oxide, wherein an element molar ratio B:C of the boron material to the carbon material is in a range of 4:1 to 4:7, and the rare earth oxide is in an amount of 5 wt % or less based on a total weight of the raw materials,
- mixing and milling the raw materials to obtain a mixture,
- compressing the mixture into a tablet form by a tablet press, and
- sintering the compressed mixture by a laser, wherein the laser has a laser wavelength of 980 nm, a laser power in a range of 100 to 3000 W, and a laser irradiation time of 3 to 60 s.
Dependencies are inferred from the claim text.