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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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用冰模板法制备羟基磷灰石多孔陶瓷
Keywords: 无机非金属材料,羟基磷灰石,冰模板法,取向多孔,微观结构
Abstract:
？使用水基羟基磷灰石(ha,ca5(po4)3oh)浆料,用冰模板法制备定向层状多孔ha陶瓷,研究了浆料中ha陶瓷颗粒含量和冷端温度的影响。结果表明:随着浆料中ha陶瓷颗粒含量的提高,浆料的粘度值增大,层状多孔结构的层厚度相应增加,孔道层间距减小甚至消失,多孔材料的抗压强度从1.4mpa提高到5.7mpa,孔隙率从76.2%降低到44.2%。降低冷端温度使片层状结构的层间距从大约20？μm减小到3--5？μm,陶瓷层厚度从2--3？μm增大到15--20？μm。
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