{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以平均粒径20nm<span style=\"color:red\">的</span>ZnO超微粉为原料,研究了纳米ZnO块材烧结过程中<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>行为,由实验结果得出:在700～900℃温度范围内,纳米ZnO烧结<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span><span style=\"color:red\">指数</span>n为6,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">的</span>表观活化能Q为64kJ/mol,导出了纳米ZnO<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>方程.与粗晶ZnO<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>进行了对比,初步分析了纳米ZnO<span style=\"color:red\">的</span>烧结机制.","authors":[{"authorName":"秦秀娟","id":"f313cf32-f9e3-4671-aea3-2acbc9eea2a3","originalAuthorName":"秦秀娟"},{"authorName":"邵光杰","id":"0043887f-9e47-41d7-a9ae-99d58fba2bc0","originalAuthorName":"邵光杰"},{"authorName":"","id":"8c28eeca-7123-4393-922d-5d6b8591b3f0","originalAuthorName":""},{"authorName":"","id":"f1b59a90-c73b-4b87-bf6f-8ffa4673c7ff","originalAuthorName":""}],"doi":"","fpage":"1201","id":"14d04187-7e2e-4f45-81ad-38fc3f41812e","issue":"z1","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"af35e47b-2263-4abd-a51b-12ee1b3c9e1a","keyword":"纳米烧结","originalKeyword":"纳米烧结"},{"id":"93bcf1c7-ed90-4ae0-8574-80358374ef35","keyword":"ZnO纳米块材","originalKeyword":"ZnO纳米块材"},{"id":"09965012-1e7b-4c7f-b693-83e5f3a42aa6","keyword":"<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">的</span><span style=\"color:red\">动力学</span><span style=\"color:red\">指数</span>","originalKeyword":"晶粒生长的动力学指数"},{"id":"2f05ed77-8b09-4e4c-90d9-392e94c6a5b7","keyword":"表观活化能","originalKeyword":"表观活化能"}],"language":"zh","publisherId":"gncl2004z1338","title":"纳米氧化锌半导体块材<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">的</span>研究","volume":"35","year":"2004"},{"abstractinfo":"利用表面机械研磨处理(SMAT)技术在纯Ni上制备一定厚度<span style=\"color:red\">的</span>纳米晶表层,利用X射线衍射(XRD)和透射电镜(TEM)研究了纳米晶Ni<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>,计算了描述<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span><span style=\"color:red\">的</span>时间<span style=\"color:red\">指数</span>n和<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>激活能Q.研究表明,纳米晶Ni在423～723 K退火时<span style=\"color:red\">的</span>时间<span style=\"color:red\">指数</span>n约为0.14.当纳米晶Ni在423 ～523 K退火时,其<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>激活能Q为32.1 kJ/mol,表明在这一温度区间内<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>由晶界和亚晶界<span style=\"color:red\">的</span>微结构重新排列所控制；当纳米晶Ni在523～723 K退火时,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>激活能Q为121.3 kJ/mol,表明在这一温度区间内<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>由晶界扩散所控制.TEM观察表明纳米晶Ni在较高温度下退火时出现异常<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span>长大现象.","authors":[{"authorName":"李伟","id":"63cbc84b-e8c1-4364-aa0c-3e33efd304fe","originalAuthorName":"李伟"},{"authorName":"刘平","id":"af31eec9-ccb6-4423-aaeb-5cbbc8bf1c3a","originalAuthorName":"刘平"},{"authorName":"马凤仓","id":"adbb8987-c6c4-446b-a2ed-cb9e1716406c","originalAuthorName":"马凤仓"},{"authorName":"刘新宽","id":"951ce517-916f-4fe7-80ac-6bf12327c68b","originalAuthorName":"刘新宽"},{"authorName":"陈小红","id":"360f6750-5b28-42d3-a2ed-aecd992ef9f8","originalAuthorName":"陈小红"},{"authorName":"戎咏华","id":"3679fc5e-87b3-4f9a-b711-692ac29cc06e","originalAuthorName":"戎咏华"}],"doi":"","fpage":"121","id":"a2b69564-581c-4bc1-bb21-dd2eec222836","issue":"z1","journal":{"abbrevTitle":"CLRCLXB","coverImgSrc":"journal/img/cover/CLRCLXB.jpg","id":"15","issnPpub":"1009-6264","publisherId":"CLRCLXB","title":"材料热处理学报"},"keywords":[{"id":"d0f2b400-3967-4370-83d7-d7d55e6818c6","keyword":"表面机械研磨处理","originalKeyword":"表面机械研磨处理"},{"id":"29c81593-afef-4f4c-96b4-4622a07456dd","keyword":"纳米材料","originalKeyword":"纳米材料"},{"id":"5182b984-8662-4c14-93a6-43b134894530","keyword":"<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>","originalKeyword":"晶粒生长动力学"},{"id":"a371b5e7-8c49-46e3-9319-04aa64d2af41","keyword":"镍","originalKeyword":"镍"},{"id":"b7ba78e5-a758-4ee3-b41a-c7d451790391","keyword":"热稳定性","originalKeyword":"热稳定性"}],"language":"zh","publisherId":"jsrclxb2011z1030","title":"表面机械研磨处理制备纳米晶Ni<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>","volume":"32","year":"2011"},{"abstractinfo":"以Ce(NO3)3·6HzO为铈源,(NH4)2CO3·H2O为沉淀剂,并加入一定量表面活性剂PEG4000,采用液相沉淀法制备前驱体Ce2(CO3)3·H2O,前驱体经热处理合成纳米CeO2.根据XRD线宽法研究了纳米CeO2热处理过程<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>,结果表明:随焙烧温度升高,CeO2<span style=\"color:red\">晶粒</span>尺寸显著增大;300℃下焙烧时间对CeO2<span style=\"color:red\">晶粒</span>尺寸影响不明显,700℃下CeO2<span style=\"color:red\">晶粒</span>随焙烧时间延长而长大,且焙烧初期粒径增长较快,超过180 min后增长速率变慢;700℃时CeO2<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">指数</span>为5,即符合5次方<span style=\"color:red\">动力学</span>方程,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>速率常数为1.986 5×104 nm5/min;由于纳米尺寸效应,使得CeO2<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>活化能在低温区和高温区不同,低于400℃时为25.64 kJ/mol,高于400℃时为87.64 kJ/mol;认为热处理过程CeO2<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>为扩散<span style=\"color:red\">生长</span>机制.","authors":[{"authorName":"宋晓岚","id":"14329a80-03ac-44fa-b1ea-6b1c24994eb3","originalAuthorName":"宋晓岚"},{"authorName":"邱冠周","id":"2fc3aa89-7d3a-4151-bc7c-0be200cd83f8","originalAuthorName":"邱冠周"},{"authorName":"曲鹏","id":"09243b17-a670-4e37-9752-b5328fc02a25","originalAuthorName":"曲鹏"},{"authorName":"杨振华","id":"8bc1fff8-a4a4-48d4-a375-f3acacef9029","originalAuthorName":"杨振华"}],"doi":"","fpage":"1085","id":"854573f9-ce33-4a45-b6c9-9f67cbfd30d5","issue":"7","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"afee6bb5-1e0e-414b-a8c2-b9011b769a2d","keyword":"纳米CeO2","originalKeyword":"纳米CeO2"},{"id":"8e13e006-8759-479f-8d98-28a7cc56c7a0","keyword":"沉淀法","originalKeyword":"沉淀法"},{"id":"2e7938d5-b04e-434a-b32a-44f0cb1435c7","keyword":"热处理","originalKeyword":"热处理"},{"id":"df028f24-a120-4bad-90ba-b975fac3a090","keyword":"<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>","originalKeyword":"晶粒生长"},{"id":"6ec73dc5-9b54-4fb4-ac63-b35a3e1f4361","keyword":"<span style=\"color:red\">动力学</span>","originalKeyword":"动力学"},{"id":"dcd37f1a-c2de-49fd-bff5-e3e3c10fb4b9","keyword":"活化能","originalKeyword":"活化能"}],"language":"zh","publisherId":"xyjsclygc200507021","title":"沉淀法合成纳米CeO2<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>","volume":"34","year":"2005"},{"abstractinfo":"研究了纳米TiO2粒子热处理过程<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>,结果表明:低于823K锐钛矿<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span>长大速率较小,823K后锐钛矿<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span>长大速率显著增加.锐钛矿<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>符合五次方方程,表观<span style=\"color:red\">生长</span>活化能由于纳米尺寸和相变效应<span style=\"color:red\">的</span>影响在高温区和低温区表现不同,高于823K时为(201.55±5.62)kJ/mol,低于823K时为(38.67士6.37)kJ/mol;金红石<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span><span style=\"color:red\">生长</span>符合二次方方程,表观<span style=\"color:red\">生长</span>活化能为(108.72±5.06)kJ/mo1.\n","authors":[{"authorName":"刘河洲","id":"2612bfe2-bdc3-4592-bfc5-98d7ca302af6","originalAuthorName":"刘河洲"},{"authorName":"胡文彬","id":"21cf3396-3ae3-40f7-8612-80621354b4c9","originalAuthorName":"胡文彬"},{"authorName":"顾明元","id":"d649a150-5b53-4221-bdf9-d5ffe4e7a36f","originalAuthorName":"顾明元"},{"authorName":"吴人洁","id":"7faf6299-0b21-48fc-bbc0-4232d7ad8a43","originalAuthorName":"吴人洁"}],"doi":"10.3321/j.issn:1000-324X.2002.03.007","fpage":"429","id":"f9ba6a38-138f-44f3-b5bc-3a251faef229","issue":"3","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"48af083c-dd82-4f72-a8ff-ca4165b58074","keyword":"纳米TiO2","originalKeyword":"纳米TiO2"},{"id":"a6d12999-134b-4bd4-9158-15b36cf9fb7c","keyword":"热处理","originalKeyword":"热处理"},{"id":"b09929de-153a-48d3-afa3-b204a30e496e","keyword":"<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>","originalKeyword":"晶粒生长"},{"id":"1b7353e6-b58e-451f-9fbc-e516c5225c59","keyword":"锐钛矿","originalKeyword":"锐钛矿"},{"id":"54405ce6-d49d-4638-96b3-f69d48e35b2f","keyword":"金红石","originalKeyword":"金红石"},{"id":"695f79b1-da98-4ca0-b6a4-3df08fb59572","keyword":"活化能","originalKeyword":"活化能"}],"language":"zh","publisherId":"wjclxb200203007","title":"纳米TiO2<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>研究","volume":"17","year":"2002"},{"abstractinfo":"基于连续相场<span style=\"color:red\">动力学</span>模型,研究了凝固过程形核、长大及粗化阶段<span style=\"color:red\">的</span>组织形貌演化,<span style=\"color:red\">动力学</span>转变,以及粗化过程拓扑转变,分析了形核与长大过程<span style=\"color:red\">的</span>关系.研究结果表明,形核长大过程中,<span style=\"color:red\">晶粒</span>体积分数逐渐增大至平衡值,总表面积先增大后减小,体积自由能是形核<span style=\"color:red\">的</span>驱<span style=\"color:red\">动力</span>,表面能是形核<span style=\"color:red\">的</span>阻力.形核伴随着长大,两者是相互重叠相互竞争<span style=\"color:red\">的</span>两个过程.<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>过程中,边数大于六<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span>持续长大,而边数少于六<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span>不断缩小.小<span style=\"color:red\">晶粒</span>消失机制有:临近切换机制;三边、四边及五边<span style=\"color:red\">晶粒</span>直接消失机制;四边交叉点分离并最终导致小<span style=\"color:red\">晶粒</span>消失机制;晶界直接消失机制.模拟结果与实验结果符合较好.","authors":[{"authorName":"卢艳丽","id":"7838fbbc-9b27-46aa-ae92-324932f3ac69","originalAuthorName":"卢艳丽"},{"authorName":"陈铮","id":"29f33618-1a2f-465a-89cb-ea6e65453164","originalAuthorName":"陈铮"},{"authorName":"王永欣","id":"c850130e-7e96-4dba-94d9-015116ec82c4","originalAuthorName":"王永欣"},{"authorName":"杨晗","id":"3556ba24-2c14-4cec-98ba-81808cd62d69","originalAuthorName":"杨晗"},{"authorName":"王永彪","id":"d8ac9776-7fa4-4c7b-8930-9a89cb8a1563","originalAuthorName":"王永彪"}],"doi":"","fpage":"2377","id":"4fe21811-97d7-4259-8f6f-392792b21650","issue":"10","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"0647749b-5a4b-42cc-b8ed-61c3f5f74c2f","keyword":"多晶材料","originalKeyword":"多晶材料"},{"id":"360e9ad7-c9f7-4d1d-a390-00e1d623fab4","keyword":"凝固过程","originalKeyword":"凝固过程"},{"id":"c2c0d924-3229-46a5-ab91-4e809d20a63e","keyword":"形核长大","originalKeyword":"形核长大"},{"id":"1ce14903-529c-48e6-ad81-8ad2d6bce0df","keyword":"拓扑转变","originalKeyword":"拓扑转变"},{"id":"c0825de2-8818-41d7-b16b-9142255af509","keyword":"连续相场","originalKeyword":"连续相场"}],"language":"zh","publisherId":"xyjsclygc201410015","title":"凝固过程<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>及拓扑转变机制<span style=\"color:red\">的</span>相场研究","volume":"43","year":"2014"},{"abstractinfo":"本文采用熔盐法,利用氯化钾作助熔剂成功合成了Bi3NbTiO9多晶粉体.并在此基础上,利用经典<span style=\"color:red\">的</span><span style=\"color:red\">动力学</span>方程系统研究了Bi3NbTiO9多晶粉体在熔盐合成过程中<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>.结果表明:利用熔盐方法合成Bi3NbTiO9多晶粉体<span style=\"color:red\">的</span><span style=\"color:red\">生长</span>过程,可以划分为高温和低温两个阶段,并且在不同<span style=\"color:red\">的</span>阶段存在不同<span style=\"color:red\">的</span><span style=\"color:red\">生长</span>机制.进一步对熔盐法合成多晶陶瓷粉体<span style=\"color:red\">的</span>形核和长大两个反应阶段进行研究,结果表明:粉体<span style=\"color:red\">的</span>形核过程遵循JMAK方程.低温阶段即低于900℃时,Bi3NbTiO9<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span>长大速率较小,<span style=\"color:red\">生长</span>主要依赖于扩散；900℃以后<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span>长大速率和<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>激活能均显著增加,<span style=\"color:red\">生长</span>主要依赖于界面反应；高温<span style=\"color:red\">生长</span><span style=\"color:red\">的</span>后期会发生明显<span style=\"color:red\">的</span>异常<span style=\"color:red\">晶粒</span>长大.","authors":[{"authorName":"李宝让","id":"81575de1-bc6b-4414-97e1-38c13953fe29","originalAuthorName":"李宝让"},{"authorName":"张乃强","id":"49e59056-cb0c-4c93-9f56-f6ade3707ad0","originalAuthorName":"张乃强"},{"authorName":"刘东雨","id":"0f3388e7-f592-4e89-a684-de93ec7c501b","originalAuthorName":"刘东雨"},{"authorName":"徐鸿","id":"df72f578-7c56-4efc-81ec-fe6837f8264a","originalAuthorName":"徐鸿"}],"doi":"","fpage":"983","id":"cc64ffb1-21e0-4462-99b1-d7c1e55003b7","issue":"4","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":"75b6f6a2-d978-4c99-b88c-5181e4bb0890","keyword":"Bi3NbTiO9","originalKeyword":"Bi3NbTiO9"},{"id":"ebda9fa8-b228-4810-b25a-7a6894a1264b","keyword":"熔盐法","originalKeyword":"熔盐法"},{"id":"37b1612f-d8c7-46e9-8652-650c44d549b5","keyword":"<span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>","originalKeyword":"生长动力学"}],"language":"zh","publisherId":"rgjtxb98201104033","title":"熔盐法合成Bi3NbTiO9<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>研究","volume":"40","year":"2011"},{"abstractinfo":"以硫酸锌和碳酸铵为原料,用直接沉淀法制得纳米氧化锌<span style=\"color:red\">的</span>前驱体,然后煅烧得到纳米氧化锌.通过控制煅烧温度可以控制粒子<span style=\"color:red\">的</span>大小,并用TG-DTG、XRD、BET和TEM等测试手段对前驱体和产品进行了表征.TG-DTG分析表明,前驱体为Zn4(OH)6CO3.TEM分析表明产物颗粒基本为球形.XRD和BET结果表明,随着煅烧温度<span style=\"color:red\">的</span>提高,纳米氧化锌<span style=\"color:red\">晶粒</span>迅速长大,并得出了纳米氧化锌<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">的</span><span style=\"color:red\">动力学</span>规律.","authors":[{"authorName":"李峰","id":"a6e8e924-1475-461e-9dce-5a449a40dbe6","originalAuthorName":"李峰"},{"authorName":"姚超","id":"5bab6265-84d8-45f3-ac5e-02d94f8fa3b4","originalAuthorName":"姚超"},{"authorName":"成庆堂","id":"8578be04-d111-4258-bf27-b8657e0f3861","originalAuthorName":"成庆堂"},{"authorName":"徐斌海","id":"c2b6614f-8ffe-4546-bd8d-6bb7b85db4fa","originalAuthorName":"徐斌海"}],"doi":"10.3969/j.issn.0253-4312.2008.01.007","fpage":"24","id":"18879393-9963-4cbc-94c4-0eef8f1d002e","issue":"1","journal":{"abbrevTitle":"TLGY","coverImgSrc":"journal/img/cover/TLGY.jpg","id":"61","issnPpub":"0253-4312","publisherId":"TLGY","title":"涂料工业   "},"keywords":[{"id":"111c8423-dc15-4553-8e2a-08718cc3c34a","keyword":"纳米氧化锌","originalKeyword":"纳米氧化锌"},{"id":"e579c003-bb70-41f8-9a87-9dcbc08250c3","keyword":"热处理","originalKeyword":"热处理"},{"id":"a929fcf0-f20f-4edb-a4a7-98701f5408f9","keyword":"<span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>","originalKeyword":"生长动力学"}],"language":"zh","publisherId":"tlgy200801007","title":"纳米氧化锌<span style=\"color:red\">的</span>制备和<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>","volume":"38","year":"2008"},{"abstractinfo":"采用共沉淀法制备纳米ZrO2-8％Y2O3(质量分数)粉末,然后将其在大气中于1 100～1 300℃范围内高温煅烧处理2～32 h.利用XRD、SEM、TEM等方法研究纳米ZrO2-8％Y2O3粉末高温煅烧前后<span style=\"color:red\">的</span>相成分、形貌和<span style=\"color:red\">晶粒</span>粒径变化,并分析纳米ZrO2-8％Y2O3粉末<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>及<span style=\"color:red\">生长</span>机制.结果表明:纳米ZrO2-8％Y2O3经高温煅烧后,单斜相和四方相含量随温度<span style=\"color:red\">的</span>升高和时间<span style=\"color:red\">的</span>延长而减少,立方相含量随温度<span style=\"color:red\">的</span>升高和时间<span style=\"color:red\">的</span>延长而增加;随温度<span style=\"color:red\">的</span>升高和时间<span style=\"color:red\">的</span>延长<span style=\"color:red\">晶粒</span>粒径逐渐增大;在1 250℃等温煅烧时,其<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">指数</span>为6,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>速率常数为7.626×1011 nm3/min:等温锻烧温度低于1 200℃时,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>活化能为64.35 kJ/mol,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>表现为以表面扩散为主<span style=\"color:red\">的</span>聚合<span style=\"color:red\">生长</span>；等温锻烧温度高于1 200℃时,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>活化能为1 16.40 kJ/mol,<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>表现为以晶格扩散为主<span style=\"color:red\">的</span>聚合<span style=\"color:red\">生长</span>;另外,还可见<span style=\"color:red\">晶粒</span>旋转驱动<span style=\"color:red\">的</span>聚合<span style=\"color:red\">生长</span>机制;低<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>激活能归因于大量氧空位<span style=\"color:red\">的</span>引入和<span style=\"color:red\">晶粒</span>旋转驱动<span style=\"color:red\">的</span>聚合<span style=\"color:red\">生长</span>机制.","authors":[{"authorName":"刘纯波","id":"0b8e45ad-c673-450d-8906-ca98d54c3ea8","originalAuthorName":"刘纯波"},{"authorName":"于连生","id":"9f64931b-d5f4-4211-a766-cfad3c95158b","originalAuthorName":"于连生"},{"authorName":"蒋显亮","id":"fdcc8b5c-9a4b-47d4-838a-4d987f5ad903","originalAuthorName":"蒋显亮"}],"doi":"","fpage":"3120","id":"626a7fdc-91b5-43f5-b280-6b9972e104ad","issue":"12","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"a8710af9-c1a9-48b5-a553-54eb3d5d267e","keyword":"纳米氧化锆粉末","originalKeyword":"纳米氧化锆粉末"},{"id":"7b4acccf-d235-46ec-9296-dac00adbbb26","keyword":"高温煅烧","originalKeyword":"高温煅烧"},{"id":"ace9837d-984f-44e3-ab37-0009f26eff99","keyword":"相转变","originalKeyword":"相转变"},{"id":"3b261a7c-a722-40cc-adcc-9812f7802230","keyword":"<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>","originalKeyword":"晶粒生长"},{"id":"a7377a97-967b-46f8-835d-0af7177db93d","keyword":"<span style=\"color:red\">动力学</span>","originalKeyword":"动力学"}],"language":"zh","publisherId":"zgysjsxb201112021","title":"纳米ZrO2-8％Y2O3粉末<span style=\"color:red\">的</span>相转变及<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>","volume":"21","year":"2011"},{"abstractinfo":"用共沉淀相转化法合成出<span style=\"color:red\">的</span>纳米锰锌铁氧体粉体经柠檬酸进行表面处理,压制成环型后经两步烧结得到烧结样品.用XRD、SEM以及VSM等方法对烧结样品进行了表征,并用球模型烧结方程探讨了烧结过程中<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>机制,结果表明锰锌铁氧体<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">指数</span>,n≈2,表观<span style=\"color:red\">生长</span>激活能Q=71.14 kJ/mol,由此可知锰锌铁氧体在烧结过程中<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>主要受晶界迁移机制控制.当烧结温度为1000℃时,锰锌铁氧体样品已达到理论密度<span style=\"color:red\">的</span>94%,其磁性能较好.","authors":[{"authorName":"刘春静","id":"2f5a2585-7a36-43ea-af70-0010b397afa0","originalAuthorName":"刘春静"},{"authorName":"王新","id":"b46230cc-51ed-4283-9855-c7c170bb1902","originalAuthorName":"王新"},{"authorName":"魏雨","id":"99a81357-c588-4fd3-9781-f370019dc60e","originalAuthorName":"魏雨"},{"authorName":"姜延飞","id":"5a5c2514-c748-4dc5-b88f-0473cc6f241d","originalAuthorName":"姜延飞"},{"authorName":"杨玉","id":"a53278b1-66cd-4f03-8e6d-fb0198497862","originalAuthorName":"杨玉"}],"doi":"","fpage":"515","id":"7754ecf3-9a41-4c0e-810e-7d14df2d49a9","issue":"z1","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"bda48cb4-e210-4225-95b3-9bc197d62bc3","keyword":"锰锌铁氧体","originalKeyword":"锰锌铁氧体"},{"id":"ee561e41-050e-41c5-9176-11073859362f","keyword":"烧结","originalKeyword":"烧结"},{"id":"5f568276-d116-413f-8b34-f89d6cb2eb6f","keyword":"<span style=\"color:red\">动力学</span>","originalKeyword":"动力学"},{"id":"1b6dc0f4-5339-4c70-874d-41db108dd0e9","keyword":"活化能","originalKeyword":"活化能"}],"language":"zh","publisherId":"xyjsclygc2009z1117","title":"软磁锰锌铁氧体<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>实验分析","volume":"38","year":"2009"},{"abstractinfo":"<FONT face=Verdana>研究了锌硼玻璃掺杂量对低压ZnO压敏电阻微观结构和电性能<span style=\"color:red\">的</span>影响. 结果表明, 当掺杂量<EM>x</EM>=0.1wt%时, 可以得到较好综合性能<span style=\"color:red\">的</span>ZnO</FONT><FONT face=Verdana>压敏电阻：<EM>E</EM><SUB>1mA</SUB>＝36.7V/mm, <EM>α</EM>=30.4, <EM>I</EM><SUB>L</SUB>=0.1μA. 并应用<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>唯象理论研究了锌硼玻璃掺杂低压ZnO压敏电阻<span style=\"color:red\">的</span><span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span>规律, 探</FONT><FONT face=Verdana>讨了锌硼玻璃掺杂对低压ZnO压敏陶瓷<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">的</span>作用机理. 当烧结温度<EM>T</EM>≤1000℃时,其<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span><span style=\"color:red\">指数</span><EM>n</EM>≈4.54, 激活能<EM>Q</EM>≈316.5kJ/mol, </FONT><FONT face=Verdana>这是由于未熔融<span style=\"color:red\">的</span>锌硼玻璃通过颗粒阻滞机理阻碍了ZnO压敏陶瓷<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span><span style=\"color:red\">生长</span>; 而当<EM>T</EM>&gt;1000℃时, 其<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span><span style=\"color:red\">指数</span><EM>n</EM>≈2.92, 激活能</FONT><FONT face=Verdana><EM>Q</EM>=187kJ/mol, 这是由于熔融<span style=\"color:red\">的</span>锌硼玻璃通过液相烧结机理促进了<span style=\"color:red\">晶粒</span><span style=\"color:red\">的</span><span style=\"color:red\">生长</span>. <BR></FONT>","authors":[{"authorName":"万帅","id":"d63aeb6b-f3db-4878-98ad-e5a88c3aaa0e","originalAuthorName":"万帅"},{"authorName":"吕文中","id":"7f02f069-f72d-428e-99e4-e3c49a520979","originalAuthorName":"吕文中"}],"categoryName":"|","doi":"10.3724/SP.J.1077.2010.00157","fpage":"157","id":"054e7f4b-cdc0-4c05-a8da-242530686e60","issue":"2","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"903c635f-dc1a-43bf-8107-3444d56e27fd","keyword":"锌硼玻璃","originalKeyword":"锌硼玻璃"},{"id":"de814fc2-25f3-4540-8b19-3467ef98aba8","keyword":" varistor","originalKeyword":" varistor"},{"id":"e3ce31dd-1f77-467b-b7b2-d88c2109cf4a","keyword":" electrical properties","originalKeyword":" electrical properties"},{"id":"0c004dbf-edac-4533-8be0-8b22942f6217","keyword":" kinetic exponent","originalKeyword":" kinetic exponent"},{"id":"b6d955db-f679-4119-8e76-0c3197bc3409","keyword":" apparent activation energy","originalKeyword":" apparent activation energy"}],"language":"zh","publisherId":"1000-324X_2010_2_13","title":"锌硼玻璃掺杂低压ZnO压敏电阻电性能及<span style=\"color:red\">晶粒</span><span style=\"color:red\">生长</span><span style=\"color:red\">动力学</span>研究","volume":"25","year":"2010"}],"totalpage":21603,"totalrecord":216029}