Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-temperature connection method for porous silicon nitride-based ceramic joint
The invention relates to the technical field of ceramic connection, in particular to a high-temperature connection method for a porous silicon nitride-based ceramic joint. The method comprises the following steps: S1, carrying out vacuum infiltration on porous silicon nitride ceramic in a phenolic resin solution, and carrying out curing treatment to obtain pretreated porous silicon nitride ceramic; s2, heating the pretreated porous silicon nitride ceramic at a first preset vacuum degree to obtain carburized porous silicon nitride ceramic; s3, SiTi22 alloy brazing filler metal is arranged between the two pieces of carburized porous silicon nitride ceramic to form a brazing filler metal layer, and a combined to-be-welded part is obtained; and S4, the combined to-be-welded part is subjected to sintering treatment under the second preset vacuum degree, and after cooling treatment, the porous silicon nitride-based ceramic joint is obtained. The porous silicon nitride-based ceramic joint prepared by the method provided by the invention has higher use temperature and strength.
本发明涉及陶瓷连接技术领域，具体而言，涉及一种多孔氮化硅基陶瓷接头高温连接方法；该方法包括：步骤S1、将多孔氮化硅陶瓷在酚醛树脂溶液中真空浸渗后，进行固化处理，得到预处理多孔氮化硅陶瓷；步骤S2、将所述预处理多孔氮化硅陶在第一预设真空度下进行加热处理，得到渗碳多孔氮化硅陶瓷；步骤S3、在两块所述渗碳多孔氮化硅陶瓷之间设置SiTi22合金钎料，以形成钎料层，得到组合待焊接件；步骤S4、将所述组合待焊接件在第二预设真空度下进行烧结处理，冷却处理后，得到多孔氮化硅基陶瓷接头。采用本发明方法制得的多孔氮化硅基陶瓷接头具有更高的使用温度和强度。
High-temperature connection method for porous silicon nitride-based ceramic joint
The invention relates to the technical field of ceramic connection, in particular to a high-temperature connection method for a porous silicon nitride-based ceramic joint. The method comprises the following steps: S1, carrying out vacuum infiltration on porous silicon nitride ceramic in a phenolic resin solution, and carrying out curing treatment to obtain pretreated porous silicon nitride ceramic; s2, heating the pretreated porous silicon nitride ceramic at a first preset vacuum degree to obtain carburized porous silicon nitride ceramic; s3, SiTi22 alloy brazing filler metal is arranged between the two pieces of carburized porous silicon nitride ceramic to form a brazing filler metal layer, and a combined to-be-welded part is obtained; and S4, the combined to-be-welded part is subjected to sintering treatment under the second preset vacuum degree, and after cooling treatment, the porous silicon nitride-based ceramic joint is obtained. The porous silicon nitride-based ceramic joint prepared by the method provided by the invention has higher use temperature and strength.
本发明涉及陶瓷连接技术领域，具体而言，涉及一种多孔氮化硅基陶瓷接头高温连接方法；该方法包括：步骤S1、将多孔氮化硅陶瓷在酚醛树脂溶液中真空浸渗后，进行固化处理，得到预处理多孔氮化硅陶瓷；步骤S2、将所述预处理多孔氮化硅陶在第一预设真空度下进行加热处理，得到渗碳多孔氮化硅陶瓷；步骤S3、在两块所述渗碳多孔氮化硅陶瓷之间设置SiTi22合金钎料，以形成钎料层，得到组合待焊接件；步骤S4、将所述组合待焊接件在第二预设真空度下进行烧结处理，冷却处理后，得到多孔氮化硅基陶瓷接头。采用本发明方法制得的多孔氮化硅基陶瓷接头具有更高的使用温度和强度。
High-temperature connection method for porous silicon nitride-based ceramic joint
一种多孔氮化硅基陶瓷接头高温连接方法
ZHUANG YANLI (Autor:in) / CHENG HAO (Autor:in) / DONG LIMIN (Autor:in) / LI DAN (Autor:in) / WANG XIAO (Autor:in)
06.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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