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Binder-free hard alloy material and preparation method thereof
The invention discloses a binder-free hard alloy material and a preparation method thereof.The preparation method comprises the following steps that tungsten carbide powder, yttrium oxide, cobalt powder, tantalum carbide and vanadium carbide are placed in a vibration tank together to be subjected to vibration treatment, and mixed powder is formed; adding into an absolute ethyl alcohol solution, and carrying out ultrasonic dispersion treatment; drying the ethanol solution dispersed with the mixed powder, and reducing in a hydrogen atmosphere to obtain uniformly dispersed mixed powder; and putting the mixed powder into ball milling equipment for ball milling, taking out the mixed powder, drying the mixed powder again, and sintering the mixed powder for the third time to obtain the binder-free hard alloy material finished product. The density and the comprehensive mechanical property of the material are effectively improved, and the hardness and the strength are high.
一种无粘结剂硬质合金材料及其制备方法，包括以下步骤：将碳化钨粉末、三氧化二钇、钴粉末、碳化钽、碳化钒一起置于振动罐中进行振动处理，形成混合粉末；加入无水乙醇溶液中，进行超声波分散处理；将上述分散有混合粉末的乙醇溶液干燥，在氢气气氛中还原得到均匀分散的混合粉体；将混合粉体放入球磨设备中球磨，取出后再次干燥，进行三次烧结处理，获得无粘结剂的硬质合金材料成品。本发明有效提升材料的致密度和综合力学性能，硬度、强度都较高。
Binder-free hard alloy material and preparation method thereof
The invention discloses a binder-free hard alloy material and a preparation method thereof.The preparation method comprises the following steps that tungsten carbide powder, yttrium oxide, cobalt powder, tantalum carbide and vanadium carbide are placed in a vibration tank together to be subjected to vibration treatment, and mixed powder is formed; adding into an absolute ethyl alcohol solution, and carrying out ultrasonic dispersion treatment; drying the ethanol solution dispersed with the mixed powder, and reducing in a hydrogen atmosphere to obtain uniformly dispersed mixed powder; and putting the mixed powder into ball milling equipment for ball milling, taking out the mixed powder, drying the mixed powder again, and sintering the mixed powder for the third time to obtain the binder-free hard alloy material finished product. The density and the comprehensive mechanical property of the material are effectively improved, and the hardness and the strength are high.
一种无粘结剂硬质合金材料及其制备方法，包括以下步骤：将碳化钨粉末、三氧化二钇、钴粉末、碳化钽、碳化钒一起置于振动罐中进行振动处理，形成混合粉末；加入无水乙醇溶液中，进行超声波分散处理；将上述分散有混合粉末的乙醇溶液干燥，在氢气气氛中还原得到均匀分散的混合粉体；将混合粉体放入球磨设备中球磨，取出后再次干燥，进行三次烧结处理，获得无粘结剂的硬质合金材料成品。本发明有效提升材料的致密度和综合力学性能，硬度、强度都较高。
Binder-free hard alloy material and preparation method thereof
一种无粘结剂硬质合金材料及其制备方法
YE HUIMING (author) / YE SHAOLIANG (author) / ZHU YOUMING (author) / YE GE (author) / YE TAO (author)
2022-11-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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