Non-stoichiometric MgO·1.8Al2O3 spinel transparent ceramic was prepared from synthesized single phase powder through an aqueous gel-casting forming technique. In order to prevent hydrolysis, the powder was specially treated in toluene with stearic acid and then dispersed in an aqueous solution with ...
The invention discloses an Al2O3 (aluminum oxide) transparent ceramic as a substrate material of a GaN (gallium nitride)-based LED and a preparation method for the same. The method includes the steps of utilizing high-purity alpha-Al2O3 as a base material and high-purity MgO (magnesium ...
Types, performance and application of AI2O3 system ceramic cutting tool. J Rare Earths 2007, 25: 322–326. Crossref Google Scholar [3] Lu SZ, Yang QH. Fluorescence characteristics of Al2O3 transparent ceramics. Chin J Inorg Chem 2009, 25: 1642–1645. (in Chinese) Google Scholar [...
The invention provides the method for preparing rich-aluminum-zinc spinel transparent ceramics for the first time. The method is characterized in that firstly, a ZnAl2O4/Al2O3 complex phase ceramic raw blank is prepared by using ZnAl2O4 and Al2O3 as raw materials; then, low-temperature ...
Aluminium oxide, alumina (Al2O3), is one of the most important ceramic materials both for its high output and numerous applications in the world. Alumina has the particularity to exist in a variety of metastable structures, the so-called transition aluminas (such as κ, γ, θ, δ, η)...
In Situ Preparation of Hard Ceramic Coating Containing α-Al2O3 on TC4 Alloy钛合金表面原位生长含α-Al2O3相高硬度陶瓷膜的研究micro-plasma oxidationphase compositiontitanium alloycoating在NaAlO2溶液中,采用微等离子氧化法在Ti-6Al-4V合金表面制备出含α-Al2O3相高硬度陶瓷膜.利用显微硬度计分析了膜层的...
Synthesis of organosoluble PIs Organosoluble, transparent and flexible PIs were prepared using two different approaches. The first PI (PI-1) of 4,40-oxydiphthalic anhydride (ODPA)/2,2- bis(3-amino-4-hydroxyphenyl)hexafluoropropane (6F-OH diamine) (Scheme 1) was prepared from ODPA and 6F-OH...
For many years glasses containing transition metal ions have attracted attention because of their potential applications in electrochemical, electronic, and electrooptics devices [2]. The most important fact about the glass is that it is amorphous, transparent, and brittle in nature. The glass has ...
Nano Al2O3 crystal whisker-toughened ceramic material with high piezoelectric property and preparation method thereofThe invention discloses a nano Al2O3 crystal whisker-toughened ceramic material with a high piezoelectric property and a preparation method thereof. The nano Al2O3 crystal whisker-...
The glass ceramic material can be excited by blue light to realize converting and giving off light under the high-efficiency near infrared quantum cutting. By being coupled with a silicon solar cell, the transparent glass ceramics is expected to reduce the heating effect of the solar cell and ...