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Ultrahigh-temperature ceramic densification method and ultrahigh-temperature ceramic
The invention provides an ultra-high-temperature ceramic densification method and ultra-high-temperature ceramic, and the method comprises the following steps: adding an additive in the process of synthesizing ultra-high-temperature ceramic powder according to a target ratio of the additive to a raw material mixture to realize defect regulation and control to obtain the ultra-high-temperature ceramic powder, wherein the additive is prepared from at least one of powder B, NaCl, Na2B4O7 and KCl; the ultra-high temperature ceramic powder is sintered, so that densified ultra-high temperature ceramic is obtained; according to the invention, the additive is added to carry out defect regulation and control on the ultrahigh-temperature ceramic powder, so that the ultrahigh-temperature ceramic powder with high sintering activity is obtained, and the ultrahigh-temperature ceramic with high density is obtained by sintering.
本发明提供了一种超高温陶瓷致密化方法和超高温陶瓷，所述方法包括：按照添加剂与原料混合物之间的目标比例，在合成所述超高温陶瓷粉体的过程中添加所述添加剂以实现缺陷调控，得到超高温陶瓷粉体；其中，所述添加剂包括B粉、NaCl、Na2B4O7、KCl中的至少一种；对所述超高温陶瓷粉体进行烧结，以得到致密化的超高温陶瓷；本发明通过添加添加剂对超高温陶瓷粉体进行缺陷调控，得到了烧结活性高的超高温陶瓷粉体，从而烧结得到了致密度高的超高温陶瓷。
Ultrahigh-temperature ceramic densification method and ultrahigh-temperature ceramic
The invention provides an ultra-high-temperature ceramic densification method and ultra-high-temperature ceramic, and the method comprises the following steps: adding an additive in the process of synthesizing ultra-high-temperature ceramic powder according to a target ratio of the additive to a raw material mixture to realize defect regulation and control to obtain the ultra-high-temperature ceramic powder, wherein the additive is prepared from at least one of powder B, NaCl, Na2B4O7 and KCl; the ultra-high temperature ceramic powder is sintered, so that densified ultra-high temperature ceramic is obtained; according to the invention, the additive is added to carry out defect regulation and control on the ultrahigh-temperature ceramic powder, so that the ultrahigh-temperature ceramic powder with high sintering activity is obtained, and the ultrahigh-temperature ceramic with high density is obtained by sintering.
本发明提供了一种超高温陶瓷致密化方法和超高温陶瓷，所述方法包括：按照添加剂与原料混合物之间的目标比例，在合成所述超高温陶瓷粉体的过程中添加所述添加剂以实现缺陷调控，得到超高温陶瓷粉体；其中，所述添加剂包括B粉、NaCl、Na2B4O7、KCl中的至少一种；对所述超高温陶瓷粉体进行烧结，以得到致密化的超高温陶瓷；本发明通过添加添加剂对超高温陶瓷粉体进行缺陷调控，得到了烧结活性高的超高温陶瓷粉体，从而烧结得到了致密度高的超高温陶瓷。
Ultrahigh-temperature ceramic densification method and ultrahigh-temperature ceramic
一种超高温陶瓷致密化方法、超高温陶瓷
WANG XINGMING (author) / LIU YUYANG (author) / BAI XUE (author) / LI XIAONING (author) / YANG LEI (author) / GUI TAO (author) / WANG XINGQI (author) / CHU MAOYOU (author) / HAN CANG (author)
2022-08-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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