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英语留级生

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RESULTS AND DISCUSSION
Table 2 presents different castables’ physical properties (permanent linear change - PLC, apparent porosity - AP, apparent density - AD and pore volume attained by SEM images). Both expansion (PLC) and porosity scaled with the MgO grain size increase (AM100 > AM45 > AM13), whereas the density decreased for the expansion free testing condition, after firing at 1500°C for 5 hours. The unfavorable association of such properties (large pores with high porosity) resulted in a deeper slag penetration (expansion free, 18.2 % of infiltration) as showed in Figure 3. This figure also highlights that the penetration index scaled with the expansion (AM13 < AM45 < AM100) for the expansion free firing condition, whereas the results were much closer when a constraining effect was considered. Table 2 - Physical properties (permanent linear expansion, apparent porosity, apparent density, pore volume) for castables with different expansion levels (AM13, AM45 and AM100), fired at 1500°C for 5 hours, in expansion free or under constraint conditions, and their percentage difference when comparing both situations.
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cmds1907

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RXMCDM: 金币+1, 多谢应助! 2014-09-13 17:44:46
英语留级生: 金币+8, 翻译EPI+1 2014-09-13 21:10:15
结果与讨论
表2给出了不同浇注料的物理特性(永久线胀缩—PLC,表观孔隙率(视孔隙率,显气孔率)—AP,表观密度—AD和孔隙体积由SEM图像获到)。1500°C燃烧5小时后,膨胀(PLC)和孔隙度(率)随氧化镁粒度(径)增加(AM100 > AM45 > AM13)而减少,而自由膨胀测试条件下的密度减少。这些属性(大孔和高孔隙度)的不利关联导致更深的炉渣渗透(自由膨胀,18.2%的渗透(熔渗))如图3所示。这个数字也强调了渗透(针入度)指数,对自由膨胀的燃烧条件,随膨胀(AM13 < AM45 < AM100)而减少,而当考虑一个约束效应时其结果更接近。表2 — 具有不同膨胀水平的浇注料(AM13,AM45和AM100)的物理性质(永久的线性膨胀、表观孔隙率、表观密度、孔隙体积),在1500°C 燃烧5小时,在自由膨胀或约束条件下,比较两种情况,他们的百分数差不同。
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