金属学报  1986, Vol. 22 Issue (1): 132-140

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天然高纯MgO-CaO材料的活化烧结

张治平;黄辉煌;李广平

冶金工业部洛阳耐火材料研究所;冶金工业部洛阳耐火材料研究所;冶金工业部洛阳耐火材料研究所

ACTIVATED SINTERING OF NATURAL HIGH PURITY MgO-CaO SERIES MATERIALS

ZHANG Zhiping; HUANG Huihuang; LI Guangping (Luoyang Institute of Refractory Research; Ministry of Metallurgical Industry)

张治平;黄辉煌;李广平. 天然高纯MgO-CaO材料的活化烧结[J]. 金属学报, 1986, 22(1): 132-140.
, , . ACTIVATED SINTERING OF NATURAL HIGH PURITY MgO-CaO SERIES MATERIALS[J]. Acta Metall Sin, 1986, 22(1): 132-140.

摘要 参考文献 相关文章 Metrics 全文: PDF(1453 KB)   摘要: 本工作在前文的基础上进一步研究整个MgO-CaO系列材料的活化烧结规律,着重探讨MgO/CaO之比对轻烧-水化试样烧结行为的影响和烧结试样的抗水化性。 试验工作证明,天然高纯MgO-CaO系列的两相材料,用轻烧-水化方法,可以在1400℃烧后基本完成致密化过程,在1600℃烧后可得显微结构良好和高度直接结合的MgO-CaO熟料。二端员原料烧结时,晶粒异常长大,密度低,闭气孔率高。 轻烧-水化试样的易烧结主要同CaO和MgO对OH-的吸附-脱附作用有关。 Abstract：On the basis of the previous works by the authors, a continuous approach to the calcination-hydration activated sintering of the natural MgO-CaO series materials of high purity was studied with putting much emphasis upon the effect of the ratio of MgO/CaO on the sintering behaviour and upon the resistance of grogs to disintegration as well. It is found that the densification of the two-phase materials is practically completed when the specimens fired at 1400℃ and developed the highly direct-bonded basic grogs of fine microstructure at 1600℃, while that of one-phase end members grows a lot of exaggerated grains with moderate intragranular pore formation resulting in lowering of the density. The activated sintering of the calcination-hydration specimens seems to be related to the adsorption-desorption of OH~- by CaO and MgO. The resistance to disintegration decreases with the increase of their CaO content. 收稿日期: 1986-01-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 张治平 黄辉煌 李广平 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1986/V22/I1/132 1 李广平;张治平;黄辉煌,硅酸盐学报,11 (1983) ,193． 2 黄辉煌;张治平;李广平,硅酸盐学报,13 (1985) ,217 No related articles found! Viewed Full text Abstract Cited   Shared      Discussed