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制備陶瓷電容器介電材料,制得陶瓷的晶粒大小可以控制在1000nm范圍內(nèi),介電損耗小,材料均勻性好,適用于生產(chǎn)大容量、具有高絕緣電阻率、超薄介電層(介電層厚度小于10μm)的多層陶瓷電容器。納米陶瓷粉,是由納米氧化鎂、納米氧化硅、納米氧化鋁、納米氧化鋅等制備的,其中納米氧化鎂0.5-4.0%,制得的納米陶瓷粉具有輻射遠(yuǎn)紅外線(xiàn)、抗菌、活化水、凈化水、溶出有益人體健康的微量元素、釋放負(fù)離子、提高植物種子發(fā)芽率等多種健康功能。
納米晶復(fù)相陶瓷,采用納米二氧化鈦,納米氧化鎂,納米稀土氧化物等及部份二氧化鋯作添加劑,成功地將非晶中ZrO2含量提高到10~30wt%,得到高鋯Al2O3-SiO2-ZrO2系微晶、納米晶復(fù)相陶瓷,其晶相含量大于90%,主晶相為莫來(lái)石,四方氧化鋯和方石英,四方氧化鋯晶粒彌散分布其中,尺寸小于≤1μm。
玻璃陶瓷涂層,是由納米氧化鎂、納米二氧化硅,氧化硼、納米氧化鋁、納米氧化鈰等一起制備的,能夠有效地提高催化劑的機(jī)械強(qiáng)度,包括耐磨性、硬度、抗壓強(qiáng)度和耐沖擊性等;并且提高催化劑的反應(yīng)活性中心,從而提高催化劑的活性,節(jié)省活性成分,降低成本。主要應(yīng)用在對(duì)柴油和汽油發(fā)動(dòng)機(jī)尾氣進(jìn)行凈化處理的處理器上。其中納米氧化鎂添加量5~18%。
制備高韌性陶瓷材料,以納米氧化鎂和納米氧化釔或稀土金屬氧化物為復(fù)合穩(wěn)定劑燒成及熱處理制成的力學(xué)性能優(yōu)良,抗高溫老化的部分穩(wěn)定氧化鋯陶瓷。該陶瓷材料可廣泛用作高溫工程部件及耐火材料。(圖/文tujian.net.cn)
中譯英:
Nanocrystalline ceramics, using nanometer titanium dioxide, nanometer magnesium oxide, nanometer rare earth oxides and part of the two zirconia as additive, succeeded in amorphous ZrO2content was increased to10~ 30wt%, high Al2O3-SiO2-ZrO2, zirconium series microcrystalline nanocrystalline composite ceramics, the crystalline phase content of greater than 90%, the main crystal phase tetragonal zirconia and mullite, quartz, tetragonal zirconia grains dispersed therein, is smaller than the size≤ 1μ M.
Glass ceramic coating, is composed of nanometer magnesium oxide, nano silica, boron oxide, alumina, cerium oxide and preparation, can effectively improve the mechanical strength of the catalyst, including wear resistance, hardness, compressive strength and impact resistance; and improve catalyst activity center, thereby improving the catalyst the activity of active components, saving, cost reduction. Used mainly in diesel and gasoline engine exhaust purifying processor. The nanometer magnesium oxide added 5~ 18%.