材料导报, 2004, 18(z2): 43-46.
纳米TiO2的掺杂及与多孔材料复合技术的进展
许德平 1, , 黄正宏 2, , 张晓勇 3, , 王永刚 4, {"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用Fluent软件和文献建立的二维传热模型,对底电极稳态和非稳态的传热过程进行了数值模拟.计算中考虑了底电极物性随温度的变化、空气隙的等效对流换热系数、底电极内部电磁力和焦耳热的影响等,并采用UDF函数加以实现.通过数值模拟,研究不同底电极结构、电流强度以及绝热/绝缘材料熔损对底电极热状态的影响.计算得到的冷却水进出口温差随冶炼时间的变化与现场实测结果吻合,进一步验证了所建模型和参数选择的合理性.计算结果表明,底电极周围绝热/绝缘材料熔损和电磁力对底电极的热状态和熔化深度起着重要的作用.","authors":[{"authorName":"袁锋","id":"86d3239b-5c9c-4d84-9905-57eb45b81999","originalAuthorName":"袁锋"},{"authorName":"王平阳","id":"9ab56f6e-a944-4b43-88c3-887a825d725f","originalAuthorName":"王平阳"},{"authorName":"欧阳华","id":"80a31ef6-38b9-442c-942a-8d1bb367ef80","originalAuthorName":"欧阳华"},{"authorName":"刘晓","id":"aa77760b-2869-4c7c-ae72-5bc42a4c88f5","originalAuthorName":"刘晓"},{"authorName":"杜朝辉","id":"db5f2d0d-5c24-4bf3-a9d3-d6985a577c89","originalAuthorName":"杜朝辉"}],"doi":"","fpage":"21","id":"80561ac3-c878-4e70-8560-bb8cfa871c1c","issue":"6","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"b2c599e2-676f-40c1-a192-cda740a5d923","keyword":"直流电弧炉","originalKeyword":"直流电弧炉"},{"id":"d2770cb2-fdfa-44ca-a3b6-5d188cf7a319","keyword":"底电极","originalKeyword":"底电极"},{"id":"200ee207-7049-4812-b952-9e0bd87e13f2","keyword":"电磁力","originalKeyword":"电磁力"},{"id":"e525c619-ceca-493e-9424-8e013a6dbe7a","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gtyjxb200706005","title":"直流电弧炉钢棒式底电极热状态数值模拟","volume":"19","year":"2007"},{"abstractinfo":"自制了导电的TiN薄膜底电极,并在其上制备了铁电钽酸锂薄膜,测试了TiN薄膜电阻随热处理温度变化的关系,以及TiN底电极上钽酸锂薄膜的介电和漏电特性.实验结果表明,当热处理温度低于700℃时,TiN薄膜的电阻率小于0.004QΩ·cm,具有良好的导电性,可用作钽酸锂薄膜底电极;TiN底电极上钽酸锂薄膜的漏电电流大于Pt衬底上钽酸锂薄膜的漏电电流;N2气氛下在TiN底电极上结晶的钽酸锂薄膜的介电损耗远大于O2气氛下结晶的钽酸锂薄膜的介电损耗;氧缺位是TiN底电极上钽酸锂薄膜介电损耗大和漏电大的主要原因.","authors":[{"authorName":"张德银","id":"537453bf-c3dd-4431-991c-783b3937899c","originalAuthorName":"张德银"}],"doi":"","fpage":"26","id":"59b958eb-50d2-482a-9488-453ee6075c92","issue":"12","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"759ae69d-690d-49a7-8da1-8977fb81faa4","keyword":"底电极","originalKeyword":"底电极"},{"id":"df32fb84-f39c-429b-84f6-7b72e13c882b","keyword":"氮化钛","originalKeyword":"氮化钛"},{"id":"26674faa-3958-41db-b0e2-68cc137f2b6b","keyword":"钽酸锂","originalKeyword":"钽酸锂"},{"id":"5d5aeba1-0a97-4141-8509-e06bce4d3061","keyword":"溶胶-凝胶法","originalKeyword":"溶胶-凝胶法"}],"language":"zh","publisherId":"cldb200912009","title":"新型铁电薄膜底电极TiN的结构与电性能研究","volume":"23","year":"2009"},{"abstractinfo":"为了深入了解直流电弧炉水冷钢棒式底电极的传热过程,根据底电极的炉底结构结合相应的边界条件,建立了基于流动的二维轴对称固液相变传热数学模型.推导了考虑水冷铜套和电极之间空气隙影响的等效对流换热系数以及通电时的径向和轴向电磁力方程.模型中考虑了底电极从固态300 K到液态2 000 K过程中钢的物性的连续变化.利用所建模型,可以数值模拟直流电弧炉单炉冶炼、双炉冶炼的非稳态传热过程以及考察计算参数和结构改变影响的稳态传热过程,为改善电弧炉的安全性、提高工作效率提供理论依据.","authors":[{"authorName":"袁锋","id":"f02e8700-cf97-4c42-877a-d7f897bce845","originalAuthorName":"袁锋"},{"authorName":"王平阳","id":"36923c23-0937-4890-97f0-06172591d696","originalAuthorName":"王平阳"},{"authorName":"欧阳华","id":"464f1e78-44cb-4ecf-b78f-8fd4260322ab","originalAuthorName":"欧阳华"},{"authorName":"刘晓","id":"329ddb62-bd16-482a-b0ee-adc10e68dbe0","originalAuthorName":"刘晓"},{"authorName":"杜朝辉","id":"ad6e2d4a-eba7-4b3c-a3aa-7bde58f6a2fa","originalAuthorName":"杜朝辉"}],"doi":"","fpage":"20","id":"31a00e0d-512e-4055-a67f-0c5202d7908d","issue":"5","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"76b45ec2-1e17-4273-8be8-a1bbbc34983a","keyword":"直流电弧炉","originalKeyword":"直流电弧炉"},{"id":"c0765fde-a65e-4b7b-ac45-c73475dd0068","keyword":"底电极","originalKeyword":"底电极"},{"id":"dd72a897-2da9-455c-9d9e-a8f8574693ef","keyword":"固-液传热模型","originalKeyword":"固-液传热模型"},{"id":"e524e794-9517-46dd-a186-8a3822744987","keyword":"电磁力","originalKeyword":"电磁力"}],"language":"zh","publisherId":"gtyjxb200705005","title":"直流电弧炉钢棒式底电极传热与流动数学模型","volume":"19","year":"2007"},{"abstractinfo":"采用脉冲激光沉积技术(PLD)在单晶基片LaAlO3(001)、MgO(002)上分别制备Ba06Sr04TiO3/La0.5Sr05CoO3(BST/LSCO)、Ba0.6Sr04TiO3/SrRuO3 (BST/SRO)异质结构,研究了LSCO和SRO底电极对BST薄膜晶相结构、表面形貌及BST薄膜电容器的电学特性的影响.研究发现,沉积在钙钛矿氧化物底电极上的BST薄膜表面平整,并都具有良好的外延生长.由于生长在LSCO底电极BST薄膜的压应力大于生长在SRO底电极的压应力,BST/LSCO异质结构的介电可调率为79.58％,而BST/SRO的介电可调率仅为68.26％,两种底电极上生长的BST薄膜都具有较低的漏电流.","authors":[{"authorName":"秦文峰","id":"3ec19035-c624-4f5e-bc4f-d3d7092ea34a","originalAuthorName":"秦文峰"},{"authorName":"韩孝强","id":"e70e11c7-44a5-40b1-97f5-48040b30320a","originalAuthorName":"韩孝强"}],"doi":"","fpage":"1353","id":"2e6b3389-0fe9-4c21-9ca3-aea194216c72","issue":"5","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"926d1aff-ac5d-4ddb-b52a-401495d09c76","keyword":"Ba0.6Sr0.4TiO3薄膜","originalKeyword":"Ba0.6Sr0.4TiO3薄膜"},{"id":"2312858f-0f1e-44ec-b185-159dee00aea2","keyword":"脉冲激光沉积","originalKeyword":"脉冲激光沉积"},{"id":"a466f062-fcd8-4464-b189-56506a8cd09b","keyword":"底电极","originalKeyword":"底电极"},{"id":"a74b2b49-3c69-4b4e-b4e3-8beedc59e959","keyword":"介电常数","originalKeyword":"介电常数"}],"language":"zh","publisherId":"rgjtxb98201605036","title":"钙钛矿型氧化物电极对Ba0.6Sr0.4TiO3薄膜电学性能的影响","volume":"45","year":"2016"},{"abstractinfo":"在重掺杂的Si衬底上分别制备了底电极(Bottom-contact organic thin-film transistors,BCOTFTs)和顶电极(Top-contact organic thin-film transistors,TC-OTFTs)有机薄膜场效应晶体管,探讨了源、漏电极位置对器件性能的影响.结果表明,顶电极可以形成良好的欧姆接触,其器件的迁移率和开关电流比均高出BC-OTFTs器件三个数量级.研究了栅绝缘层的薄膜厚度对器件的电性能的影响.结果表明,在相同电压下,薄的绝缘层增大了沟道区域的电场,可积累更多的电荷,以填充更多的陷阱,使器件的场效应迁移率和工作电流得到了明显的提高.","authors":[{"authorName":"王伟","id":"14babb94-ea09-4f6a-b597-2337da20cfdb","originalAuthorName":"王伟"},{"authorName":"石家纬","id":"3724a4a9-6d82-4333-ae9e-f0fb3025d452","originalAuthorName":"石家纬"},{"authorName":"姜文海","id":"d084e0bb-8906-4b0d-b275-0cce0c714746","originalAuthorName":"姜文海"},{"authorName":"郭树旭","id":"691c7831-6ee4-4665-ba71-2cbd132c0c56","originalAuthorName":"郭树旭"},{"authorName":"张宏梅","id":"b0c07184-cfe9-4f22-a793-6dab179d5c20","originalAuthorName":"张宏梅"},{"authorName":"马东阁","id":"6c698672-22ae-448f-bcc4-7b6f28318bc8","originalAuthorName":"马东阁"},{"authorName":"全宝富","id":"d07c6bde-ffee-41ce-9999-062231689588","originalAuthorName":"全宝富"}],"doi":"10.3969/j.issn.1007-4252.2007.01.017","fpage":"82","id":"488279c8-d391-4c4b-b443-1f894240e584","issue":"1","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"68fbb112-e99f-4a40-aa8c-4828905fd82e","keyword":"有机薄膜场效应晶体管","originalKeyword":"有机薄膜场效应晶体管"},{"id":"46e0ee7d-b7e8-4c9d-bca0-a55bd2629fec","keyword":"顶电极","originalKeyword":"顶电极"},{"id":"af63e9fa-8a84-47d0-b9f8-76dd63efbc50","keyword":"底电极","originalKeyword":"底电极"},{"id":"f3bfe564-399b-4ac1-bb4e-bf915388159e","keyword":"迁移率","originalKeyword":"迁移率"}],"language":"zh","publisherId":"gnclyqjxb200701017","title":"OTFTs结构与器件性能","volume":"13","year":"2007"},{"abstractinfo":"简要评述了近20年来电弧炉炼钢技术的发展趋势并将其归纳为4个方面,即改进供电系统、多元化的能量利用技术、主原料多样化及加强环保措施.基于宝钢的实践与认识,讨论了直流电弧炉的某些技术点,包括电能质量、电极消耗及底电极技术等,特别就近期直流电弧炉受冷遇的原因作了较详细的分析.","authors":[{"authorName":"崔健","id":"245bc8b6-20c8-49be-92bb-74a918d5ff07","originalAuthorName":"崔健"},{"authorName":"刘晓","id":"c438abb6-e3c2-485e-8536-70128e1c1d89","originalAuthorName":"刘晓"}],"doi":"","fpage":"1","id":"f2058402-b114-4647-9393-b69e77f659d6","issue":"2","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"e0b4610a-6431-4d78-b5f7-1f347009116d","keyword":"电弧炉","originalKeyword":"电弧炉"},{"id":"5c508c63-1f72-47ce-b9db-1ebfc78887f0","keyword":"电极消耗","originalKeyword":"电极消耗"},{"id":"ac523a4c-6494-4d33-b499-5cc9e1225881","keyword":"底电极","originalKeyword":"底电极"}],"language":"zh","publisherId":"gt200602001","title":"电弧炉炼钢技术若干问题的实践与认识(1)","volume":"41","year":"2006"},{"abstractinfo":"本文报道了MgO-C、MgO-CaO-C、MgO-CaO-Fe系材料的超高温稳定性.试验和分析结果表明上述系列材料超高温稳定性由好到坏的次序为:MgO-CaO-Fe、MgO-CaO-C、无金属添加物的MgO-C材料和含金属添加物的MgO-C材料.研制的导电Mgo-C质捣打料在钢针型直流电弧炉上应用,热补料在钢针型、钢片型直流电弧炉底电极进行冷、热修补,使用效果良好.","authors":[{"authorName":"田守信","id":"4e204ba0-8280-4ab3-9147-6ee3d1d20344","originalAuthorName":"田守信"},{"authorName":"陈荣荣","id":"0ca7b213-8f97-4e2c-aa1d-2b0936af211f","originalAuthorName":"陈荣荣"},{"authorName":"吴建生","id":"e4698a4e-3c02-4b3d-aefd-a71beda3aa7b","originalAuthorName":"吴建生"}],"doi":"10.3969/j.issn.1001-1935.2000.01.009","fpage":"35","id":"46bc0a0c-37eb-4418-b016-c6335789e550","issue":"1","journal":{"abbrevTitle":"NHCL","coverImgSrc":"journal/img/cover/NHCL.jpg","id":"55","issnPpub":"1001-1935","publisherId":"NHCL","title":"耐火材料 "},"keywords":[{"id":"c8aefe48-2f56-435b-9b66-6dee95a328e4","keyword":"底电极","originalKeyword":"底电极"},{"id":"606a6ff7-d428-491a-8206-1fa68926b74e","keyword":"含炭耐火材料","originalKeyword":"含炭耐火材料"},{"id":"bd647488-e090-4635-8c6f-6b5b030e21fd","keyword":"含铁耐火材料","originalKeyword":"含铁耐火材料"}],"language":"zh","publisherId":"nhcl200001009","title":"直流电弧炉用导电耐火材料","volume":"34","year":"2000"},{"abstractinfo":"采用Fluent软件和文献建立的二维传热模型，对底电极稳态和非稳态的传热过程进行了数值模拟。计算中考虑了底电极物性随温度的变化、空气隙的等效对流换热系数、底电极内部电磁力和焦耳热的影响等，并采用UDF函数加以实现。通过数值模拟，研究不同底电极结构、电流强度以及绝热/绝缘材料熔损对底电极热状态的影响。计算得到的冷却水进出口温差随冶炼时间的变化与现场实测结果吻合，进一步验证了所建模型和参数选择的合理性。计算结果表明，底电极周围绝热/绝缘材料熔损和电磁力对底电极的热状态和熔化深度起着重要的作用。","authors":[{"authorName":"袁锋","id":"4b9110da-a790-45d2-a836-a90a87a60d3d","originalAuthorName":"袁锋"},{"authorName":"王平阳","id":"9ea3e8fa-fe5a-488a-b47e-0a44a16f58ea","originalAuthorName":"王平阳"},{"authorName":"欧阳华","id":"74c5e03c-e22a-4342-b192-333899dd5445","originalAuthorName":"欧阳华"},{"authorName":"刘晓","id":"b195c65c-7967-4b39-8cc7-ec9169ad1192","originalAuthorName":"刘晓"},{"authorName":"杜朝辉","id":"09b030b5-b870-4b2f-8216-0eaccf82c133","originalAuthorName":"杜朝辉"}],"categoryName":"|","doi":"","fpage":"21","id":"ec811bd3-c9af-4eae-877f-df7e2e917b7c","issue":"6","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"5e360dbb-b5a8-4bf8-a05a-df0c908889a7","keyword":"直流电弧炉;底电极;电磁力;数值模拟","originalKeyword":"直流电弧炉;底电极;电磁力;数值模拟"}],"language":"zh","publisherId":"1001-0963_2007_6_7","title":"直流电弧炉钢棒式底电极热状态数值模拟","volume":"19","year":"2007"},{"abstractinfo":"为了深入了解直流电弧炉水冷钢棒式底电极的传热过程，根据底电极的炉底结构结合相应的边界条件，建立了基于流动的二维轴对称固液相变传热数学模型。推导了考虑水冷铜套和电极之间空气隙影响的等效对流换热系数以及通电时的径向和轴向电磁力方程。模型中考虑了底电极从固态300 K到液态2 000 K过程中钢的物性的连续变化。利用所建模型，可以数值模拟直流电弧炉单炉冶炼、双炉冶炼的非稳态传热过程以及考察计算参数和结构改变影响的稳态传热过程，为改善电弧炉的安全性、提高工作效率提供理论依据。","authors":[{"authorName":"袁锋","id":"16b50bac-68ee-4bf9-a018-59cfd29d7df4","originalAuthorName":"袁锋"},{"authorName":"王平阳","id":"63460b5c-5312-47cd-9c7a-b1ab80cbab0b","originalAuthorName":"王平阳"},{"authorName":"欧阳华","id":"397abe7d-e9f4-454e-8b7e-5c7e6cd13fbd","originalAuthorName":"欧阳华"},{"authorName":"刘晓","id":"781fda32-6618-419a-a59c-bd2cf0b199a6","originalAuthorName":"刘晓"},{"authorName":"杜朝辉","id":"90ae5e19-f033-403d-b9ab-8a19c791fe95","originalAuthorName":"杜朝辉"}],"categoryName":"|","doi":"","fpage":"20","id":"2ce75681-9dfe-40b7-b379-dd9bf01b1c12","issue":"5","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"5db3adf8-0dec-479f-94e6-982937a34f39","keyword":"直流电弧炉;底电极;固液传热模型;电磁力","originalKeyword":"直流电弧炉;底电极;固液传热模型;电磁力"}],"language":"zh","publisherId":"1001-0963_2007_5_24","title":"直流电弧炉钢棒式底电极传热与流动数学模型","volume":"19","year":"2007"},{"abstractinfo":"用溶胶一凝胶方法在LaNiO3底电极上制备了500℃退火的BiFeO3薄膜.研究了室温下薄膜的结构,介电与铁电性质和漏电流性质.XRD研究表明薄膜呈R3m结构,没有观察到不纯相.铁电性研究表明,薄膜具有大的剩余极化强度,在600 kV/cm的测试电场下,薄膜的剩余极化强度为20uC/cm2,矫顽场为440 kV/cm.介电性质研究表明,在整个测试频率范围内,薄膜具有小的介电损耗.而漏电流特性测试表明,通过工艺的改进,有效的限制了BiFeO3薄膜的漏电流.","authors":[{"authorName":"刘红日","id":"cb69abed-b11a-4f64-84b7-5e5a29a357c7","originalAuthorName":"刘红日"},{"authorName":"王秀章","id":"df6a1b9e-5e81-4166-8331-f0d5430caa1f","originalAuthorName":"王秀章"}],"doi":"10.3969/j.issn.1007-4252.2008.05.008","fpage":"895","id":"c3ea7cf1-37f1-4924-9576-97f79c7f2041","issue":"5","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"78db1833-dee2-4fe3-aa89-f1c64a7b3b95","keyword":"BiFeO3薄膜","originalKeyword":"BiFeO3薄膜"},{"id":"3fd91679-3566-49c2-8fd5-6eb2d9ad37a6","keyword":"铁电性","originalKeyword":"铁电性"},{"id":"760210b2-7b52-45f5-931f-76467fe36a8e","keyword":"介电性质","originalKeyword":"介电性质"},{"id":"5a51efe4-f3ef-4c07-9664-c18009577cc1","keyword":"漏电流","originalKeyword":"漏电流"}],"language":"zh","publisherId":"gnclyqjxb200805008","title":"LaNiO3底电极上的BiFeO3薄膜的铁电性能","volume":"14","year":"2008"}],"totalpage":657,"totalrecord":6568}