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Superhigh-temperature ceramic densification method based on defect regulation and control and superhigh-temperature ceramic
The invention provides an ultra-high-temperature ceramic densification method based on defect regulation and control. The method comprises the following steps: preparing ultra-high-temperature ceramic powder corresponding to each synthesis method by adopting multiple synthesis methods; the dislocation density of the ultra-high-temperature ceramic powder is obtained through calculation; based on the dislocation density of the powder obtained through calculation, the mixing proportions of the ultrahigh-temperature ceramic powder obtained through multiple synthesis methods are determined; according to the mixing ratio, mixing the ultra-high temperature ceramics obtained by the multiple synthesis methods to regulate and control the defect concentration of the ultra-high temperature ceramic powder; sintering the mixed ultra-high-temperature ceramic powder to obtain ultra-high-temperature ceramic; according to the invention, the dislocation density is calculated, and the powder with different dislocation densities is utilized to regulate and control the powder defects, so that the ultrahigh-temperature ceramic with high density is prepared.
本发明提供了一种基于缺陷调控的超高温陶瓷的致密化方法,所述方法包括:采用多种合成方法制备得到与每种合成方法对应的超高温陶瓷粉体;计算得到超高温陶瓷粉体的位错密度;基于计算得到的粉体的位错密度,确定多种合成方法分别得到超高温陶瓷粉体的混合比例;按照所述混合比例,将多种合成方法分别得到的超高温陶瓷进行混合以调控超高温陶瓷粉体缺陷浓度;将混合后的超高温陶瓷粉体进行烧结,得到超高温陶瓷;本发明通过计算位错密度并利用不同位错密度的粉体调控粉体缺陷,制备得到致密度高的超高温陶瓷。
Superhigh-temperature ceramic densification method based on defect regulation and control and superhigh-temperature ceramic
The invention provides an ultra-high-temperature ceramic densification method based on defect regulation and control. The method comprises the following steps: preparing ultra-high-temperature ceramic powder corresponding to each synthesis method by adopting multiple synthesis methods; the dislocation density of the ultra-high-temperature ceramic powder is obtained through calculation; based on the dislocation density of the powder obtained through calculation, the mixing proportions of the ultrahigh-temperature ceramic powder obtained through multiple synthesis methods are determined; according to the mixing ratio, mixing the ultra-high temperature ceramics obtained by the multiple synthesis methods to regulate and control the defect concentration of the ultra-high temperature ceramic powder; sintering the mixed ultra-high-temperature ceramic powder to obtain ultra-high-temperature ceramic; according to the invention, the dislocation density is calculated, and the powder with different dislocation densities is utilized to regulate and control the powder defects, so that the ultrahigh-temperature ceramic with high density is prepared.
本发明提供了一种基于缺陷调控的超高温陶瓷的致密化方法,所述方法包括:采用多种合成方法制备得到与每种合成方法对应的超高温陶瓷粉体;计算得到超高温陶瓷粉体的位错密度;基于计算得到的粉体的位错密度,确定多种合成方法分别得到超高温陶瓷粉体的混合比例;按照所述混合比例,将多种合成方法分别得到的超高温陶瓷进行混合以调控超高温陶瓷粉体缺陷浓度;将混合后的超高温陶瓷粉体进行烧结,得到超高温陶瓷;本发明通过计算位错密度并利用不同位错密度的粉体调控粉体缺陷,制备得到致密度高的超高温陶瓷。
Superhigh-temperature ceramic densification method based on defect regulation and control and superhigh-temperature ceramic
一种基于缺陷调控的超高温陶瓷致密化方法、超高温陶瓷
WANG XINGMING (Autor:in) / LIU YUYANG (Autor:in) / BAI XUE (Autor:in) / LI XIAONING (Autor:in) / YANG LEI (Autor:in) / GUI TAO (Autor:in) / WANG XINGQI (Autor:in) / CHU MAOYOU (Autor:in) / HAN CANG (Autor:in)
07.06.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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