Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Boron nitride sintered body, composite body, method for producing same, and heat dissipation member
Provided is a boron nitride sintered body containing boron nitride particles and pores, the pores having an average pore diameter of less than 2 [mu] m. Provided is a method for producing a boron nitride sintered body, the method comprising: a nitriding step for obtaining a sintered product containing boron carbonitride by sintering a boron carbide powder in a nitrogen pressurized atmosphere; and a sintering step for obtaining a boron nitride sintered body containing boron nitride particles and pores by molding and heating a complex containing the fired product and a sintering aid, the sintering aid containing calcium carbonate and an oxide of boron, and the complex containing a boron compound and a calcium compound in a total of 1-20 parts by mass with respect to 100 parts by mass of the fired product.
本发明提供氮化硼烧结体，其包含氮化硼粒子和气孔，其中，气孔的平均细孔径小于2μm。本发明提供氮化硼烧结体的制造方法，其具有：氮化工序，将碳化硼粉末在氮加压气氛下进行烧成而得到包含碳氮化硼的烧成物；烧结工序，进行包含烧成物和烧结助剂的配合物的成型及加热而得到包含氮化硼粒子和气孔的氮化硼烧结体，烧结助剂含有硼的氧化物及碳酸钙，相对于烧成物100质量份，配合物包含硼化合物及钙化合物合计1～20质量份。
Boron nitride sintered body, composite body, method for producing same, and heat dissipation member
Provided is a boron nitride sintered body containing boron nitride particles and pores, the pores having an average pore diameter of less than 2 [mu] m. Provided is a method for producing a boron nitride sintered body, the method comprising: a nitriding step for obtaining a sintered product containing boron carbonitride by sintering a boron carbide powder in a nitrogen pressurized atmosphere; and a sintering step for obtaining a boron nitride sintered body containing boron nitride particles and pores by molding and heating a complex containing the fired product and a sintering aid, the sintering aid containing calcium carbonate and an oxide of boron, and the complex containing a boron compound and a calcium compound in a total of 1-20 parts by mass with respect to 100 parts by mass of the fired product.
本发明提供氮化硼烧结体，其包含氮化硼粒子和气孔，其中，气孔的平均细孔径小于2μm。本发明提供氮化硼烧结体的制造方法，其具有：氮化工序，将碳化硼粉末在氮加压气氛下进行烧成而得到包含碳氮化硼的烧成物；烧结工序，进行包含烧成物和烧结助剂的配合物的成型及加热而得到包含氮化硼粒子和气孔的氮化硼烧结体，烧结助剂含有硼的氧化物及碳酸钙，相对于烧成物100质量份，配合物包含硼化合物及钙化合物合计1～20质量份。
Boron nitride sintered body, composite body, method for producing same, and heat dissipation member
氮化硼烧结体、复合体及它们的制造方法、以及散热构件
TAKEDA MAKOTO (Autor:in) / IGARASHI KOKI (Autor:in)
11.10.2022
Patent
Elektronische Ressource
Chinesisch
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