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- W1022287262 abstract "以煅烧氧化铝粉、柠檬酸铵、十二烷基硫酸三乙醇胺、丙烯酰胺、N,N’-亚甲基双丙烯酰胺、过硫酸铵、N,N,N’,N’-四甲基乙二胺、硅溶胶、氯化铵、铝酸钙水泥、聚丙烯酰胺为原料,采用发泡法造孔原理,分别结合凝胶注模工艺、溶胶凝胶工艺和水泥固化工艺三种不同的固化成型方法,制备了新型Al2 O3基多孔陶瓷隔热材料。结果表明:三种方法所制备试样的烧后收缩率在11.5%~12.8%,体积密度在0.70~0.75 g·cm^-3,显气孔率在80.2%~82.0%,差别较小;凝胶注模工艺制备的多孔陶瓷为纯相的α-Al2 O3,溶胶凝胶工艺制备的多孔陶瓷还有少量莫来石,水泥固化工艺制备的多孔陶瓷还有少量六铝酸钙相;三种方法制备的多孔陶瓷的结构非常相似,都为明显的球形孔结构,且其耐压强度和热导率差别也不大,但耐压强度比目前高温隔热常用的Al2 O3多晶纤维板明显要高,热导率与Al2 O3多晶纤维板的相近。" @default.
- W1022287262 created "2016-06-24" @default.
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- W1022287262 date "2014-01-01" @default.
- W1022287262 modified "2023-09-22" @default.
- W1022287262 title "新型 Al2 O3基多孔陶瓷隔热材料的制备" @default.
- W1022287262 hasPublicationYear "2014" @default.
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