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Black zirconia ceramic, preparation method thereof and ceramic antenna
The invention relates to black zirconia ceramic which comprises the following phases in percentage by weight: 3.5-48wt% of tetragonal phase zirconia, 32-76.25 wt% of ZrSiO4 and 16.5-27wt% of spinel black pigment, the chemical formula of the spinel black pigment is [CoeNifMngZnhMg (1-e-f-g-h)] [FexCryAl (1-x-y)] 2O4, 0 < = e < = 1, 0 < = f < = 1, 0 < = g < = 1, 0 < = h < = 0.5, 0.5 < = e + f + g < = 1, 0 < = x < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1 0 < = x < = 1, 0 < = y < = 1, 0 < x + y < = 1; wherein the tetragonal zirconium oxide is a solid solution formed by yttrium oxide, niobium pentoxide and/or tantalum pentoxide and zirconium oxide, and based on the element content of the zirconium oxide composite ceramic, the weight percentage of yttrium is 1.2-5.5%, and the weight percentage of niobium and/or tantalum is 0.6-4%. The black zirconia ceramic is low in dielectric constant, good in toughness, light in weight and easy to process.
本发明涉及一种黑色氧化锆陶瓷，所述黑色氧化锆陶瓷包括以下重量百分比的物相：3.5‑48wt%的四方相氧化锆、32‑76.25wt%的ZrSiO4和16.5‑27wt%的尖晶石黑色料，所述尖晶石黑色料的化学式表示为[CoeNifMngZnhMg(1‑e‑f‑g‑h)][FexCryAl(1‑x‑y)]2O4，其中，0≤e≤1，0≤f≤1，0≤g≤1，0≤h≤0.5，0.5≤e+f+g≤1；0≤x≤1，0≤y≤1，0＜x+y≤1；其中，所述四方相氧化锆为氧化钇、五氧化二铌和/或五氧化二钽与氧化锆形成的固溶体，以所述氧化锆复合陶瓷元素含量为基准，钇的重量百分比为1.2‑5.5%，铌和/或钽的重量百分比为0.6‑4wt%。该黑色氧化锆陶瓷介电常数低、韧性好、轻量化和易于加工。
Black zirconia ceramic, preparation method thereof and ceramic antenna
The invention relates to black zirconia ceramic which comprises the following phases in percentage by weight: 3.5-48wt% of tetragonal phase zirconia, 32-76.25 wt% of ZrSiO4 and 16.5-27wt% of spinel black pigment, the chemical formula of the spinel black pigment is [CoeNifMngZnhMg (1-e-f-g-h)] [FexCryAl (1-x-y)] 2O4, 0 < = e < = 1, 0 < = f < = 1, 0 < = g < = 1, 0 < = h < = 0.5, 0.5 < = e + f + g < = 1, 0 < = x < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1, 0 < = y < = 1 0 < = x < = 1, 0 < = y < = 1, 0 < x + y < = 1; wherein the tetragonal zirconium oxide is a solid solution formed by yttrium oxide, niobium pentoxide and/or tantalum pentoxide and zirconium oxide, and based on the element content of the zirconium oxide composite ceramic, the weight percentage of yttrium is 1.2-5.5%, and the weight percentage of niobium and/or tantalum is 0.6-4%. The black zirconia ceramic is low in dielectric constant, good in toughness, light in weight and easy to process.
本发明涉及一种黑色氧化锆陶瓷，所述黑色氧化锆陶瓷包括以下重量百分比的物相：3.5‑48wt%的四方相氧化锆、32‑76.25wt%的ZrSiO4和16.5‑27wt%的尖晶石黑色料，所述尖晶石黑色料的化学式表示为[CoeNifMngZnhMg(1‑e‑f‑g‑h)][FexCryAl(1‑x‑y)]2O4，其中，0≤e≤1，0≤f≤1，0≤g≤1，0≤h≤0.5，0.5≤e+f+g≤1；0≤x≤1，0≤y≤1，0＜x+y≤1；其中，所述四方相氧化锆为氧化钇、五氧化二铌和/或五氧化二钽与氧化锆形成的固溶体，以所述氧化锆复合陶瓷元素含量为基准，钇的重量百分比为1.2‑5.5%，铌和/或钽的重量百分比为0.6‑4wt%。该黑色氧化锆陶瓷介电常数低、韧性好、轻量化和易于加工。
Black zirconia ceramic, preparation method thereof and ceramic antenna
一种黑色氧化锆陶瓷及其制备方法、陶瓷天线
CHEN GE (Autor:in) / LIN XINPING (Autor:in) / TANG WEI (Autor:in)
05.04.2022
Patent
Elektronische Ressource
Chinesisch
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