Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Multilayer gradient reinforced high-temperature-resistant waterproof ceramic coating and preparation method thereof
The invention discloses a multilayer gradient enhanced high-temperature-resistant waterproof ceramic coating and a preparation method thereof, and the method comprises the following steps: mixing Y2O3, Al2O3 and SiO2, melting, quenching with water to obtain yttrium-aluminum-silicon glass, crushing, and mixing with ethanol to form yttrium-aluminum-silicon glass slurry; spraying yttrium-aluminum-silicon glass slurry on the surface of the matrix, drying and sintering to obtain a yttrium-aluminum-silicon glass coating; carrying out ball milling on boroaluminosilicate glass, water, boric acid, sodium nitrite and tungsten carbide nanoparticles to obtain a tungsten carbide modified glass-ceramic coating spray coating; and spraying a tungsten carbide modified glass-ceramic coating spray coating on the yttrium-aluminum-silicon glass coating, drying and sintering to obtain the multi-layer gradient enhanced high-temperature-resistant waterproof ceramic coating. The ceramic coating prepared through the method has the advantages of being high in compactness, good in waterproof and heat-insulating performance, high in strength, good in heat resistance, chemical resistance and abrasion resistance, low in heat conductivity coefficient and thermal expansion coefficient, good in combination degree with a matrix, low in dielectric constant, small in dielectric loss and the like.
本发明公开了一种多层梯度增强耐高温防水陶瓷涂层及其制备方法，该方法步骤为：将Y2O3、Al2O3和SiO2混合后熔化，经水淬灭得到钇铝硅玻璃，再粉碎后与乙醇混合形成钇铝硅玻璃浆；在基体表面喷涂钇铝硅玻璃浆，干燥、烧结后得到钇铝硅玻璃涂层；将硼铝硅酸盐玻璃、水、硼酸、亚硝酸钠和碳化钨纳米颗粒球磨得到碳化钨改性玻璃‑陶瓷涂层喷涂料；在钇铝硅玻璃涂层上喷涂碳化钨改性玻璃‑陶瓷涂层喷涂料，干燥、烧结后得到多层梯度增强耐高温防水陶瓷涂层。该方法所制备得到的陶瓷涂层可具有致密性高、防水隔热性能好、强度高、耐热性耐化学性以及耐磨性好、导热系数和热膨胀系数低、与基体结合度好、介电常数低、介电损耗小等优点。
Multilayer gradient reinforced high-temperature-resistant waterproof ceramic coating and preparation method thereof
The invention discloses a multilayer gradient enhanced high-temperature-resistant waterproof ceramic coating and a preparation method thereof, and the method comprises the following steps: mixing Y2O3, Al2O3 and SiO2, melting, quenching with water to obtain yttrium-aluminum-silicon glass, crushing, and mixing with ethanol to form yttrium-aluminum-silicon glass slurry; spraying yttrium-aluminum-silicon glass slurry on the surface of the matrix, drying and sintering to obtain a yttrium-aluminum-silicon glass coating; carrying out ball milling on boroaluminosilicate glass, water, boric acid, sodium nitrite and tungsten carbide nanoparticles to obtain a tungsten carbide modified glass-ceramic coating spray coating; and spraying a tungsten carbide modified glass-ceramic coating spray coating on the yttrium-aluminum-silicon glass coating, drying and sintering to obtain the multi-layer gradient enhanced high-temperature-resistant waterproof ceramic coating. The ceramic coating prepared through the method has the advantages of being high in compactness, good in waterproof and heat-insulating performance, high in strength, good in heat resistance, chemical resistance and abrasion resistance, low in heat conductivity coefficient and thermal expansion coefficient, good in combination degree with a matrix, low in dielectric constant, small in dielectric loss and the like.
本发明公开了一种多层梯度增强耐高温防水陶瓷涂层及其制备方法，该方法步骤为：将Y2O3、Al2O3和SiO2混合后熔化，经水淬灭得到钇铝硅玻璃，再粉碎后与乙醇混合形成钇铝硅玻璃浆；在基体表面喷涂钇铝硅玻璃浆，干燥、烧结后得到钇铝硅玻璃涂层；将硼铝硅酸盐玻璃、水、硼酸、亚硝酸钠和碳化钨纳米颗粒球磨得到碳化钨改性玻璃‑陶瓷涂层喷涂料；在钇铝硅玻璃涂层上喷涂碳化钨改性玻璃‑陶瓷涂层喷涂料，干燥、烧结后得到多层梯度增强耐高温防水陶瓷涂层。该方法所制备得到的陶瓷涂层可具有致密性高、防水隔热性能好、强度高、耐热性耐化学性以及耐磨性好、导热系数和热膨胀系数低、与基体结合度好、介电常数低、介电损耗小等优点。
Multilayer gradient reinforced high-temperature-resistant waterproof ceramic coating and preparation method thereof
一种多层梯度增强耐高温防水陶瓷涂层及其制备方法
ZHANG LE (Autor:in) / CHEN SHIWEI (Autor:in) / WANG TING (Autor:in) / QIU FAN (Autor:in) / CHEN DONGSHUN (Autor:in) / ZHANG XINYUAN (Autor:in) / KANG JIAN (Autor:in) / CHEN HAO (Autor:in)
12.04.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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