研究了作为涂层粘结剂的Y溶胶转变为凝胶后在加热过程中发生的热分解和相变过程,结果表明:在115℃凝胶中大量有机溶剂和自由水逸出,在180-280℃凝胶分子间发生缓慢的缩合反应并脱去结合水,在380℃羧酸盐分解为碱式碳酸盐,在440℃碳酸盐分解并析出Y2O3微晶,在600℃Y凝胶分解完全并转化为α-Y2O3.
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