Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Aluminum oxide ceramic with high bending strength as well as preparation method and application of aluminum oxide ceramic
The invention discloses high-bending-strength aluminum oxide ceramic as well as a preparation method and application thereof, and belongs to the technical field of ceramic packaging materials. The aluminum oxide ceramic with high bending strength is mainly prepared from the following components in percentage by weight: 92 to 95 percent of aluminum oxide, 4 to 5 percent of calcined kaolin, 1 to 2 percent of calcium carbonate and the balance of talcum powder. According to the high-bending-strength aluminum oxide ceramic provided by the invention, on the basis that the content of alpha-phase aluminum oxide is limited to be 92-95 wt%, various effective sintering aids such as the calcined kaolin, the calcium carbonate and the talcum powder are introduced for sintering to obtain the high-density and high-bending-strength aluminum oxide ceramic, and the bending strength can reach 500-650 MPa; the sintering temperature of the aluminum oxide ceramic is reduced and controlled to be 1480-1580 DEG C, the sintering temperature interval is wide, and matching of all cofired metals is facilitated. Reduction of the ceramic volume is facilitated, and product miniaturization is realized; the product is firm, can be applied to ceramic packaging shells, electronic ceramic parts and consumer ceramics, has the effects of supporting, electrical insulation, structural members and the like, and is high in reliability.
本发明公开了一种高抗弯强度氧化铝陶瓷及其制备方法和应用，属于陶瓷封装材料技术领域。一种高抗弯强度氧化铝陶瓷，主要包括以下重量百分比的组分：氧化铝92wt％～95wt％、煅烧高岭土4wt％～5wt％、碳酸钙1wt％‑2wt％，其余量为滑石粉。本发明提供的高抗弯强度氧化铝陶瓷，在α相氧化铝的含量限定在92wt％～95wt％基础上，通过引入煅烧高岭土、碳酸钙和滑石粉多种有效烧结助剂来烧结获得高致密抗弯强度高的氧化铝陶瓷，抗弯强度可达到500MPa～650MPa；降低氧化铝陶瓷烧结温度，并控制在1480～1580℃，烧结温度区间宽，利于匹配各共烧的金属。利于降低陶瓷体积，实现产品小型化；该产品坚固，可应用于陶瓷封装外壳、电子陶瓷部件及消费陶瓷中，起到支撑、电绝缘、结构件等作用，产品可靠性高。
Aluminum oxide ceramic with high bending strength as well as preparation method and application of aluminum oxide ceramic
The invention discloses high-bending-strength aluminum oxide ceramic as well as a preparation method and application thereof, and belongs to the technical field of ceramic packaging materials. The aluminum oxide ceramic with high bending strength is mainly prepared from the following components in percentage by weight: 92 to 95 percent of aluminum oxide, 4 to 5 percent of calcined kaolin, 1 to 2 percent of calcium carbonate and the balance of talcum powder. According to the high-bending-strength aluminum oxide ceramic provided by the invention, on the basis that the content of alpha-phase aluminum oxide is limited to be 92-95 wt%, various effective sintering aids such as the calcined kaolin, the calcium carbonate and the talcum powder are introduced for sintering to obtain the high-density and high-bending-strength aluminum oxide ceramic, and the bending strength can reach 500-650 MPa; the sintering temperature of the aluminum oxide ceramic is reduced and controlled to be 1480-1580 DEG C, the sintering temperature interval is wide, and matching of all cofired metals is facilitated. Reduction of the ceramic volume is facilitated, and product miniaturization is realized; the product is firm, can be applied to ceramic packaging shells, electronic ceramic parts and consumer ceramics, has the effects of supporting, electrical insulation, structural members and the like, and is high in reliability.
本发明公开了一种高抗弯强度氧化铝陶瓷及其制备方法和应用，属于陶瓷封装材料技术领域。一种高抗弯强度氧化铝陶瓷，主要包括以下重量百分比的组分：氧化铝92wt％～95wt％、煅烧高岭土4wt％～5wt％、碳酸钙1wt％‑2wt％，其余量为滑石粉。本发明提供的高抗弯强度氧化铝陶瓷，在α相氧化铝的含量限定在92wt％～95wt％基础上，通过引入煅烧高岭土、碳酸钙和滑石粉多种有效烧结助剂来烧结获得高致密抗弯强度高的氧化铝陶瓷，抗弯强度可达到500MPa～650MPa；降低氧化铝陶瓷烧结温度，并控制在1480～1580℃，烧结温度区间宽，利于匹配各共烧的金属。利于降低陶瓷体积，实现产品小型化；该产品坚固，可应用于陶瓷封装外壳、电子陶瓷部件及消费陶瓷中，起到支撑、电绝缘、结构件等作用，产品可靠性高。
Aluminum oxide ceramic with high bending strength as well as preparation method and application of aluminum oxide ceramic
一种高抗弯强度氧化铝陶瓷及其制备方法和应用
KANG JIANHONG (Autor:in) / QU MINGSHAN (Autor:in) / ZHANG XIN (Autor:in) / LUO JING (Autor:in) / DU ZHIBO (Autor:in) / LEE JAE-YOUNG (Autor:in)
14.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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