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首页> 外文期刊>Key Engineering Materials >Dense Sintered Long-Term Stable Ceramics in the System CaO-P_2O_5-ZrO_2-f
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Dense Sintered Long-Term Stable Ceramics in the System CaO-P_2O_5-ZrO_2-f

机译：CaO-P_2O_5-ZrO_2-f系统中的致密烧结长期稳定陶瓷

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摘要

The influence of several sinter additives (three glasses, magnesium acetate, bismuth trioxide) on the compressive strength and also on the solubility of a sintered ceramics, which is composed of 57.6Mol% CaO, 26.2Mol% P_2O_5, 10.4Mol% ZrO_2 and 5.8Mol% CaF_2 was tested. The amount of sinter additives, pre-mixing of the powders, pressure power, sintering temperature and sintering time were varied. The most dense samples were produced with the finest powders (D_(50) ～ 1μm) and the highest sintering temperatures (1200℃). The mechanical stability of the samples was more influenced by the particle size of the powders than by the kind of binder as well as the pressure power. The compressive strength of the sintered samples ranged between 180MPa (D_(50) of the powder = 2.4μm) and 530MPa (D_(50) of the powder < 1μm). Storing of the samples in simulated body fluid for 4 weeks at a temperature of 37℃ did not influence the compressive strength significantly. The sintered ceramics can be finished, for instance by grinding or polishing.
机译：几种烧结助剂（三杯，醋酸镁，三氧化二铋）对烧结陶瓷的抗压强度和溶解度的影响，烧结陶瓷由57.6Mol％CaO，26.2Mol％P_2O_5、10.4Mol％ZrO_2和5.8组成测试了摩尔％的CaF_2。改变了烧结添加剂的量，粉末的预混合，压力功率，烧结温度和烧结时间。样品密度最高（D_（50）〜1μm），烧结温度最高（1200℃），样品密度最高。样品的机械稳定性受粉末粒度的影响更大，而不是受粘合剂种类以及压力能力的影响。烧结样品的抗压强度在180MPa（粉末的D_（50）=2.4μm）和530MPa（粉末的D_（50）<1μm）之间。将样品在模拟体液中在37℃的温度下保存4周不会显着影响抗压强度。烧结的陶瓷可以例如通过研磨或抛光来完成。

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