{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"应用ABAQUS软件建立基于晶粒异质性的微轧制有限元模型,研究晶粒尺寸效应对微轧制变形行为的影响规律.结果显示:随着晶粒尺寸的增大,轧件边部不均匀变形增加,等效应变极大值增加,等效应变分布变得更加不均匀;轧件变形不均匀性增加,材料的塑性变得不稳定;轧制力和轧制力矩的不稳定性同时增加.","authors":[{"authorName":"李连杰","id":"efca3a47-01a9-4b06-a5a7-3b003a73c69f","originalAuthorName":"李连杰"},{"authorName":"张红梅","id":"147b16b3-fdd8-407d-9b56-43d176c3dbe8","originalAuthorName":"张红梅"},{"authorName":"姜正义","id":"cc67ceb2-aee7-462a-9110-51dd91683486","originalAuthorName":"姜正义"},{"authorName":"赵大东","id":"70f5609c-59ec-4efb-bf07-921f147c5109","originalAuthorName":"赵大东"},{"authorName":"廖桂兵","id":"7c432e6b-a46b-46ab-9938-826cb12ec292","originalAuthorName":"廖桂兵"}],"doi":"","fpage":"43","id":"b284c4ec-2a1a-4853-b15e-0fe89760ac43","issue":"6","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程 "},"keywords":[{"id":"611fd059-4105-4174-b648-630f10a5c3eb","keyword":"微轧制","originalKeyword":"微轧制"},{"id":"94af1d7e-6daa-45b9-82de-c5f8c1c15671","keyword":"有限元","originalKeyword":"有限元"},{"id":"97220563-7002-487d-b921-d1689a4ed210","keyword":"多晶体模型","originalKeyword":"多晶体模型"},{"id":"ba1c1023-3553-42f2-9c09-7bfaa8457b62","keyword":"晶粒尺寸效应","originalKeyword":"晶粒尺寸效应"}],"language":"zh","publisherId":"bqclkxygc201606011","title":"微尺度下晶粒尺寸效应对轧制变形行为的影响","volume":"39","year":"2016"},{"abstractinfo":"简要综述了金属强度的晶粒尺寸效应和样品尺寸效应的研究历史和现状,揭示了它们的基本强化机制分别是增加位错运动的阻力和增加位错产生的难度.在一些纳米金属中发现这2种机制同时起作用,从而指出利用这2种机制调控纳米金属强塑性的可能性.这种可能性在纳米纯Al中得到了验证.","authors":[{"authorName":"黄晓旭","id":"2d7eb8da-b476-4a84-857b-9c5af701fb95","originalAuthorName":"黄晓旭"}],"doi":"10.3724/SP.J.1037.2014.00016","fpage":"137","id":"89935e49-b994-44ff-83dd-f93df7734465","issue":"2","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"fec009b6-38ea-4430-a5dc-abc6eaa6fcc4","keyword":"金属强度","originalKeyword":"金属强度"},{"id":"c6f3364a-ba99-46f1-a79b-245eb09fa689","keyword":"晶粒尺寸效应","originalKeyword":"晶粒尺寸效应"},{"id":"efda00fb-17d5-4dcc-bfb2-66ff3f3c3bff","keyword":"样品尺寸效应","originalKeyword":"样品尺寸效应"},{"id":"5c81fbb1-a2b3-4dab-b17c-de2138d754cd","keyword":"纳米金属","originalKeyword":"纳米金属"},{"id":"401c3c07-c7d9-44a0-8db5-8583bb31ed0f","keyword":"强化机制","originalKeyword":"强化机制"}],"language":"zh","publisherId":"jsxb201402003","title":"金属强度的尺寸效应","volume":"50","year":"2014"},{"abstractinfo":"冷轧TWIP钢经1073, 1173, 1273和1373 K固溶处理10 min后, 得到了晶粒尺寸分别为7, 13, 30和63 μm 的奥氏体组织. 拉伸实验表明, 随着晶粒尺寸的增加, 加工硬化速率(dσ/dε)与真应变 (ε)的变化关系由2阶段变为3阶段. 当晶粒尺寸大于30 μm时, 加工硬化速率与真应变关系中的第2阶段对应的应变长度随着晶粒尺寸的增加而迅速增加. 当真应变为0-0.2时, 加工硬化指数随真应变的增加而迅速增加; 在随后的变形中, 与上述4个晶粒尺寸对应的试样的加工硬化指数分别稳定在0.47, 0.53, 0.56和0.68. OM和TEM观察显示, 随晶粒尺寸的增大, 变形过程中形变孪晶数量增多. 对于较大晶粒尺寸的试样, 形变孪晶在拉伸变形过程中形核的临界应力较低, 随变形量增加, 形变孪晶可持续形成, 使其加工硬化能力增加, 从而增大了TWIP效应; 相反, 晶粒尺寸减小使变形过程中的形变孪晶形核临界应力增大, 抑制形变孪晶的产生, 从而减小了TWIP效应.","authors":[{"authorName":"王书晗刘振宇王国栋","id":"4d7be3f2-3ba5-42e1-a306-71ba49921d25","originalAuthorName":"王书晗刘振宇王国栋"}],"categoryName":"|","doi":"","fpage":"1083","id":"46749722-9394-4767-8ad9-c092718ec8e4","issue":"9","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"9af760f6-71c6-44f7-b7d3-20df891bc211","keyword":"TWIP钢","originalKeyword":"TWIP钢"},{"id":"03a2e215-6446-44be-a982-c25a7ec2dd3b","keyword":"grain size","originalKeyword":"grain size"},{"id":"7ed78efe-aa65-484a-b4a4-13640f1fc6a4","keyword":"strain hardening rate","originalKeyword":"strain hardening rate"},{"id":"7070218d-d3b5-46d7-bfc1-bf7b33b02091","keyword":"strain hardening exponent","originalKeyword":"strain hardening exponent"},{"id":"6f3efbd7-e8ba-458d-b95a-069b6ace6bd1","keyword":"TWIP effect","originalKeyword":"TWIP effect"}],"language":"zh","publisherId":"0412-1961_2009_9_7","title":"TWIP钢中晶粒尺寸对TWIP效应的影响","volume":"45","year":"2009"},{"abstractinfo":"冷轧TWIP钢经1073,1173,1273和1373 K固溶处理10 min后,得到了晶粒尺寸分别为7,13,30和63 μm的奥氏体组织.拉伸实验表明,随着晶粒尺寸的增加,加工硬化速率(da/dε)与真应变(ε)的变化关系由2阶段变为3阶段.当晶粒尺寸大于30 μm时,加工硬化速率与真应变关系中的第2阶段对应的应变长度随着晶粒尺寸的增加而迅速增加.当真应变为0-0.2时,加工硬化指数随真应变的增加而迅速增加;在随后的变形中,与上述4个晶粒尺寸对应的试样的加工硬化指数分别稳定在0.47,0.53,0.56和0.68.OM和TEM观察显示,随晶粒尺寸的增大,变形过程中形变孪晶数量增多.对于较大晶粒尺寸的试样,形变孪晶在拉伸变形过程中形核的临界应力较低,随变形量增加,形变孪晶可持续形成,使其加工硬化能力增加,从而增大了TWIP效应;相反,晶粒尺寸减小使变形过程中的形变孪晶形核临界应力增大,抑制形变孪晶的产生,从而减小了TWIP效应.","authors":[{"authorName":"王书晗","id":"3325d0a6-7c47-4a02-b97e-783537fd2844","originalAuthorName":"王书晗"},{"authorName":"刘振宇","id":"0a99d2cc-0e8c-4ed4-bc81-d20a04657c3e","originalAuthorName":"刘振宇"},{"authorName":"王国栋","id":"b2a57881-6a11-4587-a550-c5fdb1200db5","originalAuthorName":"王国栋"}],"doi":"10.3321/j.issn:0412-1961.2009.09.010","fpage":"1083","id":"3d18f1c7-9b42-46f4-b842-dfb5aef934b9","issue":"9","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"12f4aa12-d21a-42b8-87e9-8b53124150cd","keyword":"TWIP钢","originalKeyword":"TWIP钢"},{"id":"0f64d783-8249-4e76-9d3e-95803ab49fd4","keyword":"晶粒尺寸","originalKeyword":"晶粒尺寸"},{"id":"9aed1e3c-3124-4edd-b059-489d304754d1","keyword":"加工硬化速率","originalKeyword":"加工硬化速率"},{"id":"3512615a-3a6f-4f87-8e23-82f433e1cebb","keyword":"加工硬化指数","originalKeyword":"加工硬化指数"},{"id":"ec00c487-a5d9-4436-8dad-394f3702709b","keyword":"TWIP效应","originalKeyword":"TWIP效应"}],"language":"zh","publisherId":"jsxb200909010","title":"TWIP钢中晶粒尺寸对TWIP效应的影响","volume":"45","year":"2009"},{"abstractinfo":"综述了BaTIO3晶粒尺寸效应及其微观机理的研究背景,重点介绍了介电常数和居里温度随晶粒尺寸变化的规律,及其微观机理的研究进展,并提出了通过改变表面态来改变纳米BaTiO3介电和铁电性能的想法.","authors":[{"authorName":"鲍婕","id":"8df590c1-2b2f-4037-996c-bb911e60db7f","originalAuthorName":"鲍婕"},{"authorName":"李盛涛","id":"b729dba8-49c8-45c3-ab1b-173f89eac744","originalAuthorName":"李盛涛"},{"authorName":"邹晨","id":"e36d37a5-8976-4706-a385-cceaae8c6a73","originalAuthorName":"邹晨"}],"doi":"","fpage":"143","id":"af516808-c787-4644-bcea-53fd9a79fb55","issue":"z1","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"728f2686-6a7a-4ff8-b414-cf8d96794ad5","keyword":"BaTiO3","originalKeyword":"BaTiO3"},{"id":"98f950cf-5948-4663-a837-215a492ce405","keyword":"尺寸效应","originalKeyword":"尺寸效应"},{"id":"76fdf0ad-7f31-47f2-b284-c76a0d901269","keyword":"介电常数","originalKeyword":"介电常数"},{"id":"d9860c95-1a77-4340-bcdd-9a6e31e35bb7","keyword":"居里温度","originalKeyword":"居里温度"},{"id":"f08a13e2-cf30-441d-b0c0-1152de1722e9","keyword":"表面态","originalKeyword":"表面态"}],"language":"zh","publisherId":"cldb2005z1047","title":"BaTiO3晶粒尺寸效应及其微观机理的研究进展","volume":"19","year":"2005"},{"abstractinfo":"使用溶胶凝胶法在Pt/Ti/SiO2/Si衬底上生长不同厚度与不同稀土掺杂(Nd,Ce,La)的BiFeO3(BFO)薄膜,高分辨x射线衍射实验结果表明薄膜是由无择优取向的多晶成份组成,不同厚度和掺杂的薄膜都呈现三方相.对比不同厚度BFO薄膜的结构发现,随着薄膜厚度的增加,薄膜的晶粒尺寸呈现增大的趋势,同时晶格常数也随之增大;比较不同掺杂的薄膜,发现随掺杂原子的离子半径增大(Nd,Ce,La),薄膜的晶粒尺寸随之减小,同时薄膜的晶格参数变小.这些结果表明在BFO薄膜中存在晶粒尺寸效应,BFO的晶格随着晶粒尺寸的增大而增大.","authors":[{"authorName":"顾月良","id":"a59995fb-6ef4-4d4c-8b1a-0d51dee6e8ae","originalAuthorName":"顾月良"},{"authorName":"李密","id":"5b9695d8-d0bf-40ad-8d3f-bfda188cb684","originalAuthorName":"李密"},{"authorName":"陈斌","id":"bce3775c-3721-4370-be13-aeb892394a23","originalAuthorName":"陈斌"},{"authorName":"何庆","id":"d95a5e6a-5689-4a8f-8522-7f43aa97fc1a","originalAuthorName":"何庆"},{"authorName":"李润伟","id":"bf8a71c7-8511-4932-ae62-9be99ef98417","originalAuthorName":"李润伟"},{"authorName":"李晓龙","id":"e85803fd-3f8a-4a61-b4d5-23709585b95d","originalAuthorName":"李晓龙"},{"authorName":"黎忠","id":"ecfdee96-500b-43ab-b2d9-729ccbb6947f","originalAuthorName":"黎忠"}],"doi":"10.3969/j.issn.1007-4252.2010.06.017","fpage":"605","id":"db32b173-4b4b-4c26-a2de-61b1d1288edb","issue":"6","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":"914419a9-9241-4cbd-8679-8bba38349e0f","keyword":"铁电薄膜","originalKeyword":"铁电薄膜"},{"id":"2bbb8a28-a7c5-48eb-8ac9-7c02654dee5a","keyword":"微结构","originalKeyword":"微结构"},{"id":"c6c6f7b9-1303-4cb1-929e-f3933f989c25","keyword":"同步辐射衍射","originalKeyword":"同步辐射衍射"},{"id":"35072098-9382-4e09-8c6e-cefa3cac38e0","keyword":"尺寸效应","originalKeyword":"尺寸效应"}],"language":"zh","publisherId":"gnclyqjxb201006017","title":"溶胶-凝胶方法制备BiFeO3薄膜的微结构和晶粒尺寸效应","volume":"16","year":"2010"},{"abstractinfo":"BaTiO3陶瓷材料作为一种重要的介电材料被广泛应用于诸多领域,其尺寸效应也被广泛的研究.试验发现不同频率下BaTiO3陶瓷材料的电阻率的随晶粒尺寸变化而变化,由此提出一个BaTiO3陶瓷等效电路模型,从理论上验证不同频率下影响电阻率的主导贡献因素.同时试验中发现直流与瞬态测试下的电阻率的尺寸效应变化相差较大,理论分析是由漏电流中极化电流与电导电流造成的.结果表明,瞬态测量与直流测量的差异确实由漏电流的尺寸效应引起的.","authors":[{"authorName":"刘文斌","id":"100b3a41-66b0-42cf-97d5-e12b80756742","originalAuthorName":"刘文斌"},{"authorName":"康爱国","id":"d92eff4b-9959-4af2-8d08-c1c263c49867","originalAuthorName":"康爱国"},{"authorName":"刘永广","id":"4498ce9b-9a75-4730-be21-1a108d56f181","originalAuthorName":"刘永广"},{"authorName":"张少飞","id":"6e01b605-6686-47fa-9ab4-b6c101e2ae98","originalAuthorName":"张少飞"},{"authorName":"李良辉","id":"e35c48b3-860d-4f1a-bc7e-855f4c868ac3","originalAuthorName":"李良辉"}],"doi":"","fpage":"2097","id":"5af45196-06a9-4079-ab98-35ed07db1c29","issue":"8","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":"5c926ebf-5197-4d88-8150-564d85864348","keyword":"尺寸效应","originalKeyword":"尺寸效应"},{"id":"e9bba8dc-b1f3-4bb5-91d5-02adf51ec412","keyword":"BaTiO3","originalKeyword":"BaTiO3"},{"id":"e1bcbc03-258a-4e26-811f-1385de6ceaae","keyword":"晶界","originalKeyword":"晶界"},{"id":"99085ef7-441c-43f8-9395-bab85c87db6d","keyword":"晶粒","originalKeyword":"晶粒"},{"id":"f0f92399-c727-441c-9896-5c87be6d49fd","keyword":"漏电流","originalKeyword":"漏电流"}],"language":"zh","publisherId":"rgjtxb98201608020","title":"细晶粒BaTiO3陶瓷电阻率和漏电流的尺寸效应研究","volume":"45","year":"2016"},{"abstractinfo":"考虑到转向极化和反向畴的成核生长过程的综合影响,引入了一个反映两种过程影响程度的比例参数,对细晶粒BaTiO3陶瓷的电滞回线进行了理论分析,其结论与试验结果是极其一致的,这将有助于深入了解晶粒尺寸效应对BaTiO3陶瓷极化影响的机制.","authors":[{"authorName":"康爱国","id":"0ead9e21-c80a-40e3-80e5-aeb08b51b9e0","originalAuthorName":"康爱国"},{"authorName":"邓湘云","id":"2e816382-8d2d-470f-9e82-c4eaa8885c59","originalAuthorName":"邓湘云"},{"authorName":"王晓慧","id":"3dce21ef-f011-4911-86e3-e943192d32dd","originalAuthorName":"王晓慧"},{"authorName":"李龙土","id":"e03280a7-9029-4249-ad8e-62b2386b6b28","originalAuthorName":"李龙土"}],"doi":"","fpage":"1712","id":"94b6ffed-8bba-48c2-a801-f1f7273f70b3","issue":"11","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"b71aeab1-ea9c-42c6-b411-ee41c3c91d5c","keyword":"尺寸效应","originalKeyword":"尺寸效应"},{"id":"16ce6d88-db52-4ea8-a33e-bfd76cddf68a","keyword":"电滞回线","originalKeyword":"电滞回线"},{"id":"194fd427-41b5-4669-8e05-5a2e849aec94","keyword":"BaTiO3陶瓷","originalKeyword":"BaTiO3陶瓷"}],"language":"zh","publisherId":"gncl200511021","title":"尺寸效应对细晶粒BaTiO3陶瓷电滞现象的影响","volume":"36","year":"2005"},{"abstractinfo":"首次报道了用溶胶-凝胶法制备的钛酸铅铁电玻璃陶瓷的晶粒尺寸对其高频介电性能的影响.研究表明,铁电玻璃陶瓷的高频介电弛豫主要是由材料内部的畴壁共振引起的.晶粒尺寸增加,畴壁宽度增大,介电弛豫向低频移动;反之,晶粒尺寸减小,畴壁宽度变小,介电弛豫向高频移动,弛豫频率提高,介电损耗变小.","authors":[{"authorName":"赵鹏","id":"0737bae2-df8f-4f67-967a-83ca9d6d2920","originalAuthorName":"赵鹏"},{"authorName":"姚熹","id":"c9a71a96-4e7d-4851-86b6-a43a04bc8cfa","originalAuthorName":"姚熹"},{"authorName":"翟继卫","id":"8cee8dcd-b530-4b3f-aeba-d3d4b4b03c48","originalAuthorName":"翟继卫"},{"authorName":"张德生","id":"16e5cc7a-728d-48fa-bb16-66da84d3b961","originalAuthorName":"张德生"},{"authorName":"张良莹","id":"e0a1e712-0e35-49cf-9d4f-484fc84b4af8","originalAuthorName":"张良莹"}],"doi":"10.3321/j.issn:1005-3093.2000.03.002","fpage":"234","id":"233ad39f-7e0c-4cfb-a243-fc9c9937c0a3","issue":"3","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"270009e9-3374-40ef-b655-176cca8ab888","keyword":"钛酸铅玻璃陶瓷","originalKeyword":"钛酸铅玻璃陶瓷"},{"id":"b52e5b54-90f7-47a7-a410-f3c2471cde0f","keyword":"溶胶-凝胶","originalKeyword":"溶胶-凝胶"},{"id":"b98e04b5-35a3-415d-bad6-c34094fb7911","keyword":"压电共振","originalKeyword":"压电共振"},{"id":"666d4959-58d3-43f4-b461-55216b66892f","keyword":"铁电畴壁","originalKeyword":"铁电畴壁"}],"language":"zh","publisherId":"clyjxb200003002","title":"溶胶-凝胶法制备PbTiO3铁电玻璃陶瓷的高频晶粒尺寸效应","volume":"14","year":"2000"},{"abstractinfo":"在不同的测试电压条件下,对不同晶粒尺寸的BaTiO3陶瓷室温下的电阻率进行了测量;结合室温下的复阻抗谱,采用简化的等效电路模型和净极化电流的理论,分析了高、低频率下晶粒和晶界对瓷体电阻的影响.","authors":[{"authorName":"康爱国","id":"cb62b560-b9ee-40ff-9b1a-0dcd0ec0b373","originalAuthorName":"康爱国"},{"authorName":"邓湘云","id":"a4cc80eb-a01e-45e5-9998-6ab947ebd066","originalAuthorName":"邓湘云"},{"authorName":"王晓慧","id":"d1bb0420-dd99-4dc7-ad04-24f9ae77b99e","originalAuthorName":"王晓慧"},{"authorName":"李龙土","id":"de309d59-e626-4c8a-86f9-11a87cdc8d58","originalAuthorName":"李龙土"}],"doi":"","fpage":"893","id":"3db77938-90f8-4c4a-ace2-632a074421d2","issue":"6","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"dd544084-22c7-4947-90db-5eedadbb3f8a","keyword":"BaTiO3陶瓷","originalKeyword":"BaTiO3陶瓷"},{"id":"a796e373-e0b4-4113-9a18-67aaf3002ed1","keyword":"尺寸效应","originalKeyword":"尺寸效应"},{"id":"16c6b20e-d130-41f4-9596-5d8ac131d5c5","keyword":"电阻率","originalKeyword":"电阻率"}],"language":"zh","publisherId":"gncl200606014","title":"细晶粒BaTiO3陶瓷电阻率的尺寸效应","volume":"37","year":"2006"}],"totalpage":3166,"totalrecord":31654}