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Preparation method of high-thermal-conductivity aluminum nitride/graphene composite ceramic device
The invention discloses a preparation method of a high-thermal-conductivity aluminum nitride/graphene composite ceramic part, and belongs to the field of inorganic material preparation. The preparation method comprises the steps: mixing nano aluminum nitride powder, nano graphene particles and a sintering aid according to a certain mass ratio to prepare mixed powder; mixing the mixed powder with abinder according to a certain proportion to prepare a feed; preparing a formed green body from the feed by adopting an injection forming technology; placing the formed green body in a degreasing furnace, heating at a certain heating speed, and degreasing after heat preservation; and heating the degreased green body at a certain speed, sintering, and after heat preservation, obtaining the high-thermal-conductivity aluminum nitride/graphene composite ceramic part. By adding the graphene particles, heat transfer can be effectively improved, the heat conductivity of the ceramic material is improved, meanwhile, the compactness of the ceramic material is improved, and the mechanical property of the ceramic material is improved.
一种高导热氮化铝/石墨烯复合陶瓷零件的制备方法，属于无机材料制备领域。将纳米氮化铝粉体、纳米石墨烯颗粒、烧结助剂按一定质量比例混合制备混合粉末；将混合粉末与粘结剂按照一定比例混合，制备喂料；将喂料采用注射成形技术制备出成形坯体；将成形坯体置于脱脂炉以一定升温速度升温、保温后进行脱脂；将脱脂坯在以一定速度升温进行烧结，保温后，制得高导热氮化铝/石墨烯复合陶瓷零件。石墨烯颗粒的加入可以有效的提高热传递，提高陶瓷材料的热导率，同时也有利于提高陶瓷材料的致密度，改善其力学性能。
Preparation method of high-thermal-conductivity aluminum nitride/graphene composite ceramic device
The invention discloses a preparation method of a high-thermal-conductivity aluminum nitride/graphene composite ceramic part, and belongs to the field of inorganic material preparation. The preparation method comprises the steps: mixing nano aluminum nitride powder, nano graphene particles and a sintering aid according to a certain mass ratio to prepare mixed powder; mixing the mixed powder with abinder according to a certain proportion to prepare a feed; preparing a formed green body from the feed by adopting an injection forming technology; placing the formed green body in a degreasing furnace, heating at a certain heating speed, and degreasing after heat preservation; and heating the degreased green body at a certain speed, sintering, and after heat preservation, obtaining the high-thermal-conductivity aluminum nitride/graphene composite ceramic part. By adding the graphene particles, heat transfer can be effectively improved, the heat conductivity of the ceramic material is improved, meanwhile, the compactness of the ceramic material is improved, and the mechanical property of the ceramic material is improved.
一种高导热氮化铝/石墨烯复合陶瓷零件的制备方法，属于无机材料制备领域。将纳米氮化铝粉体、纳米石墨烯颗粒、烧结助剂按一定质量比例混合制备混合粉末；将混合粉末与粘结剂按照一定比例混合，制备喂料；将喂料采用注射成形技术制备出成形坯体；将成形坯体置于脱脂炉以一定升温速度升温、保温后进行脱脂；将脱脂坯在以一定速度升温进行烧结，保温后，制得高导热氮化铝/石墨烯复合陶瓷零件。石墨烯颗粒的加入可以有效的提高热传递，提高陶瓷材料的热导率，同时也有利于提高陶瓷材料的致密度，改善其力学性能。
Preparation method of high-thermal-conductivity aluminum nitride/graphene composite ceramic device
一种高导热氮化铝/石墨烯复合陶瓷器件的制备方法
JIA BAORUI (author) / WANG YONG (author) / QIN MINGLI (author) / JIANG XUE (author) / ZHAO YONGZHI (author) / LIU LUAN (author) / WU TONG (author) / QIN WANJUN (author) / ZHANG DEYIN (author) / WU HAOYANG (author)
2020-12-04
Patent
Electronic Resource
Chinese
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