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Aluminum nitride ceramic photocuring slurry, preparation and preparation method of high-thermal-conductivity ceramic
The invention discloses aluminum nitride ceramic light-cured slurry, preparation and a preparation method of high-thermal-conductivity ceramic. The aluminum nitride ceramic light-cured slurry comprises modified aluminum nitride ceramic powder composed of aluminum nitride ceramic powder, a sintering aid and a surface modifier. A photosensitive resin and a photoinitiator; a dispersant; the preparation method of the aluminum nitride ceramic photocuring slurry comprises the following steps: firstly, mixing aluminum nitride ceramic powder with a sintering aid yttrium oxide, adding a surface modifier, and carrying out ball milling to obtain modified aluminum nitride ceramic powder; preparing photosensitive resin and mixing in a homogenizer at a low speed; then adding a photoinitiator into photosensitive resin, adding the modified aluminum nitride ceramic powder, performing high-speed mixing in a vacuum homogenizer, and finally adding a dispersing agent for mixing to finally obtain the uniform bubble-free aluminum nitride ceramic photocuring slurry. The preparation method of the high-thermal-conductivity aluminum nitride ceramic comprises the processes of printing, degreasing and sintering, high-quality photocuring forming of an aluminum nitride green body of a complex structure is achieved, and the high-thermal-conductivity defect-deformation-free aluminum nitride ceramic is prepared.
氮化铝陶瓷光固化浆料、制备及高导热陶瓷的制备方法，氮化铝陶瓷光固化浆料包括由氮化铝陶瓷粉体、烧结助剂、表面改性剂组成的改性氮化铝陶瓷粉体；光敏树脂和光引发剂；分散剂；氮化铝陶瓷光固化浆料的制备先将氮化铝陶瓷粉体和烧结助剂氧化钇混合，加入表面改性剂球磨得到改性氮化铝陶瓷粉体；再配制光敏树脂并在均质机中低速混合；然后在光敏树脂中加入光引发剂，加入改性氮化铝陶瓷粉体，在真空均质机中高速混合，最后再向其中加入分散剂混合，最终得到均匀无气泡氮化铝陶瓷光固化浆料；高导热氮化铝陶瓷的制备方法包括打印、脱脂和烧结工艺，本发明实现复杂结构氮化铝生坯的高质量光固化成形，制备高导热无缺陷变形的氮化铝陶瓷。
Aluminum nitride ceramic photocuring slurry, preparation and preparation method of high-thermal-conductivity ceramic
The invention discloses aluminum nitride ceramic light-cured slurry, preparation and a preparation method of high-thermal-conductivity ceramic. The aluminum nitride ceramic light-cured slurry comprises modified aluminum nitride ceramic powder composed of aluminum nitride ceramic powder, a sintering aid and a surface modifier. A photosensitive resin and a photoinitiator; a dispersant; the preparation method of the aluminum nitride ceramic photocuring slurry comprises the following steps: firstly, mixing aluminum nitride ceramic powder with a sintering aid yttrium oxide, adding a surface modifier, and carrying out ball milling to obtain modified aluminum nitride ceramic powder; preparing photosensitive resin and mixing in a homogenizer at a low speed; then adding a photoinitiator into photosensitive resin, adding the modified aluminum nitride ceramic powder, performing high-speed mixing in a vacuum homogenizer, and finally adding a dispersing agent for mixing to finally obtain the uniform bubble-free aluminum nitride ceramic photocuring slurry. The preparation method of the high-thermal-conductivity aluminum nitride ceramic comprises the processes of printing, degreasing and sintering, high-quality photocuring forming of an aluminum nitride green body of a complex structure is achieved, and the high-thermal-conductivity defect-deformation-free aluminum nitride ceramic is prepared.
氮化铝陶瓷光固化浆料、制备及高导热陶瓷的制备方法，氮化铝陶瓷光固化浆料包括由氮化铝陶瓷粉体、烧结助剂、表面改性剂组成的改性氮化铝陶瓷粉体；光敏树脂和光引发剂；分散剂；氮化铝陶瓷光固化浆料的制备先将氮化铝陶瓷粉体和烧结助剂氧化钇混合，加入表面改性剂球磨得到改性氮化铝陶瓷粉体；再配制光敏树脂并在均质机中低速混合；然后在光敏树脂中加入光引发剂，加入改性氮化铝陶瓷粉体，在真空均质机中高速混合，最后再向其中加入分散剂混合，最终得到均匀无气泡氮化铝陶瓷光固化浆料；高导热氮化铝陶瓷的制备方法包括打印、脱脂和烧结工艺，本发明实现复杂结构氮化铝生坯的高质量光固化成形，制备高导热无缺陷变形的氮化铝陶瓷。
Aluminum nitride ceramic photocuring slurry, preparation and preparation method of high-thermal-conductivity ceramic
氮化铝陶瓷光固化浆料、制备及高导热陶瓷的制备方法
BAO CHONGGAO (author) / LI WENBO (author) / LI SHIJIA (author)
2024-08-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
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