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Silicon nitride-based ceramic welding sealing component and preparation method thereof
The invention discloses a silicon nitride-based ceramic welding sealing component and a preparation method thereof, and relates to the technical field of metallized ceramic processing. The invention discloses a silicon nitride-based ceramic welding sealing component which comprises a silicon nitride ceramic matrix and a metallization layer, the silicon nitride ceramic matrix is prepared from modified silicon nitride, mullite fiber, aluminum nitride, calcium oxide, titanium oxide, a binder and a dispersing agent through the steps of modified silicon nitride preparation, mixing, granulation, primary sintering, secondary sintering and the like; raw materials of the metallization layer comprise copper powder, tungsten powder, copper oxide, yttrium oxide, zinc oxide and an organic binding agent. The invention further discloses a preparation method of the silicon nitride-based ceramic welding sealing component composed of the metallization layer and the silicon nitride ceramic matrix. According to the silicon nitride-based ceramic welding sealing component, the density of the silicon nitride ceramic matrix is improved, the silicon nitride-based ceramic welding sealing component has excellent strength, hardness and fracture toughness, the tensile strength of the sealing component is improved, and the silicon nitride-based ceramic welding sealing component has excellent high-temperature resistance.
本发明公开一种氮化硅基陶瓷焊接密封元器件及其制备方法，涉及金属化陶瓷加工技术领域。本发明公开的氮化硅基陶瓷焊接密封元器件，包括氮化硅陶瓷基体和金属化层，其中氮化硅陶瓷基体用改性氮化硅、莫来石纤维、氮化铝、氧化钙、氧化钛、粘结剂和分散剂原料，经改性氮化硅制备、混料、造粒、一次烧结和二次烧结等步骤而制成；金属化层原料包括铜粉、钨粉、氧化铜、氧化钇、氧化锌和有机结合剂，并公开了用金属化层和氮化硅陶瓷基体组成的氮化硅基陶瓷焊接密封元器件的制备方法。本发明提供的氮化硅基陶瓷焊接密封元器件，提高了氮化硅陶瓷基体的致密度，具有优异的强度、硬度和断裂韧性，增大了密封件的抗拉强度，具有优异的耐高温性能。
Silicon nitride-based ceramic welding sealing component and preparation method thereof
The invention discloses a silicon nitride-based ceramic welding sealing component and a preparation method thereof, and relates to the technical field of metallized ceramic processing. The invention discloses a silicon nitride-based ceramic welding sealing component which comprises a silicon nitride ceramic matrix and a metallization layer, the silicon nitride ceramic matrix is prepared from modified silicon nitride, mullite fiber, aluminum nitride, calcium oxide, titanium oxide, a binder and a dispersing agent through the steps of modified silicon nitride preparation, mixing, granulation, primary sintering, secondary sintering and the like; raw materials of the metallization layer comprise copper powder, tungsten powder, copper oxide, yttrium oxide, zinc oxide and an organic binding agent. The invention further discloses a preparation method of the silicon nitride-based ceramic welding sealing component composed of the metallization layer and the silicon nitride ceramic matrix. According to the silicon nitride-based ceramic welding sealing component, the density of the silicon nitride ceramic matrix is improved, the silicon nitride-based ceramic welding sealing component has excellent strength, hardness and fracture toughness, the tensile strength of the sealing component is improved, and the silicon nitride-based ceramic welding sealing component has excellent high-temperature resistance.
本发明公开一种氮化硅基陶瓷焊接密封元器件及其制备方法，涉及金属化陶瓷加工技术领域。本发明公开的氮化硅基陶瓷焊接密封元器件，包括氮化硅陶瓷基体和金属化层，其中氮化硅陶瓷基体用改性氮化硅、莫来石纤维、氮化铝、氧化钙、氧化钛、粘结剂和分散剂原料，经改性氮化硅制备、混料、造粒、一次烧结和二次烧结等步骤而制成；金属化层原料包括铜粉、钨粉、氧化铜、氧化钇、氧化锌和有机结合剂，并公开了用金属化层和氮化硅陶瓷基体组成的氮化硅基陶瓷焊接密封元器件的制备方法。本发明提供的氮化硅基陶瓷焊接密封元器件，提高了氮化硅陶瓷基体的致密度，具有优异的强度、硬度和断裂韧性，增大了密封件的抗拉强度，具有优异的耐高温性能。
Silicon nitride-based ceramic welding sealing component and preparation method thereof
一种氮化硅基陶瓷焊接密封元器件及其制备方法
CAO JIANPING (Autor:in) / CAO JIANHUI (Autor:in) / LIU PING (Autor:in)
07.09.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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