熔融法制备不同氧化物含量的SiO2-B2O3 -R2O系无铅水晶玻璃,并表征了玻璃的密度、折射率和耐碱性能.结果表明:随着氧化锶含量的增加,玻璃密度、折射率和耐碱性能都随之增加;适量氧化镧(w(La2O3)≤22%)的加入可以提高玻璃的折射率、密度和耐碱性能,过量则反之;适量氧化锆的加入(w(ZrO2)≤28%)能够显著提高玻璃耐碱性能并提高玻璃折射率和密度,过多则促使玻璃析晶失透.
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