以废玻璃、粉煤灰为主要原料,利用快速烧结-晶化法制备斜辉石-钙长石微晶玻璃.利用XRD和SEM研究了升温速率对微晶玻璃烧结-晶化行为和显微结构影响.结果表明,与10 ℃/min常规烧结相比,30℃/min以及烧结温度下直接置入烧结的烧结激活能显著降低,微晶玻璃体积密度更大、气孔孔径更小.快速升温时最佳烧结温度明显降低,且钙长石晶相出现择优取向生长,导致微晶玻璃抗弯强度增大,950℃下直接置入烧结的微晶玻璃抗弯强度达到最高值107 MPa.
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