{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"研究了在670℃下,振荡磁场双棍铸轧对7075铝合金成型板材微观形貌和硬度影响.结果表明,同传统方式铸轧相比,采用振荡电磁场铸轧板材的枝晶被严重碎断、细化和等轴化.在此条件下7075板材的表面及中心的偏析程度大幅减轻,并且在振荡场的作用下偏析完全消失.普通铸轧条件下板坯横向和轧向的HV硬度值分别为1104和1356 MPa;采用电磁场后,在振荡场下获得最大硬度为1615 MPa;除此之外,当磁场强度增加,板材性能会进一步提高.另外发现,无论在何种磁场条件下,升高浇注温度后,外加电磁场的细化作用效果增强.","authors":[{"authorName":"苏鑫","id":"da378ed7-f004-4a23-bdb7-c03afd9a4be3","originalAuthorName":"苏鑫"},{"authorName":"张爱平","id":"60e26409-5b9e-4a24-8be0-45870fbbec90","originalAuthorName":"张爱平"},{"authorName":"肖尧","id":"adb1f940-25ad-4460-8172-621150ca2ea3","originalAuthorName":"肖尧"},{"authorName":"李孟男","id":"6324961f-6f5c-454d-a0c6-9944f22550b4","originalAuthorName":"李孟男"},{"authorName":"许光明","id":"4d43bd74-5495-4f23-a9eb-9de92d8ba5ec","originalAuthorName":"许光明"}],"doi":"","fpage":"2937","id":"abda4dd1-49de-41fe-8a98-24adccb89054","issue":"12","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":"110a691d-47ba-462e-ad9d-fffcaef0e7e5","keyword":"7075铝合金","originalKeyword":"7075铝合金"},{"id":"d52e00c9-09a3-46e9-8d2a-7ec60d0e8899","keyword":"半波振荡","originalKeyword":"半波振荡"},{"id":"1564cb47-119d-4406-8d70-97a77819f6f5","keyword":"振荡","originalKeyword":"交变振荡"},{"id":"3e95d69d-a523-42aa-b8fc-038b746ad9f6","keyword":"双辊铸轧","originalKeyword":"双辊铸轧"}],"language":"zh","publisherId":"xyjsclygc201412013","title":"振荡电磁场对双辊铸轧7075铝合金微观组织的影响","volume":"43","year":"2014"},{"abstractinfo":"利用电磁场的影响,生产铸轧合金板材,主要通过光学显微镜对7075合金的微观形貌和晶体尺寸进行研究.结果表明,同传统铸轧板材方式相比,670℃下振荡电磁场铸轧7075板材的枝晶严重被破坏,拉伸,细化和等轴化.同时,在静磁场条件下的铸板微观组织一定程度上细化和被拉伸,实验条件为励磁电流100A.中心偏析带在直流磁场和振荡磁场条件下明显减轻,然而后者的影响效果更为突出.在表面和横截面处,7075板材硬度依次随着传统铸轧、静磁场铸轧和振荡磁场铸轧顺序增加.随着电磁强度增加,板材的强度和性能得到进一步改善.无论板材何处,升高温度都会使电磁场作用效果提高.","authors":[{"authorName":"苏鑫","id":"035b8da7-9a46-42db-acf3-615a9f3663f0","originalAuthorName":"苏鑫"},{"authorName":"李孟男","id":"480574f1-4682-4ea1-b46c-e551b5378bbe","originalAuthorName":"李孟男"},{"authorName":"张爱平","id":"e120c207-10c7-47b7-9441-d34ed935c7b3","originalAuthorName":"张爱平"},{"authorName":"肖尧","id":"075d22cc-8907-45b3-ac11-40c140fbdc29","originalAuthorName":"肖尧"},{"authorName":"许光明","id":"d1260164-db67-4494-9d70-34f27dbe6310","originalAuthorName":"许光明"}],"doi":"","fpage":"2354","id":"68ae8f2f-7ec0-4758-98d9-4a5b9960e3db","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":"48bd7381-c209-4fe3-a8b6-2f7217cf955f","keyword":"7075铝合金","originalKeyword":"7075铝合金"},{"id":"4aa2c76d-c270-420f-9a81-07b3a14d98ae","keyword":"静磁场","originalKeyword":"静磁场"},{"id":"939312bb-cfca-4038-80f4-a388faaa5cda","keyword":"振荡","originalKeyword":"交变振荡"},{"id":"f98eda1e-be13-40bf-95d8-61395bedaece","keyword":"双辊铸轧","originalKeyword":"双辊铸轧"}],"language":"zh","publisherId":"xyjsclygc201410011","title":"电磁场对双辊铸轧7075铝合金微观形貌的影响","volume":"43","year":"2014"},{"abstractinfo":"热声流动是热声热机的工作基础,研究流动机理有助于人们认识热声热机的工作过程。鉴于前人的理论分析一般没有考虑浮力效应的影响,本文从流体热动力学的角度研究了浮力对流与热声流动的耦合规律。基于线性理论方法,给出了考虑浮力项和热对流Rayleigh数的热声线性理论模型,分析了浮力效应对平行流动的影响,发现热对流的存在明显影响流动速度分布及其"环形效应"。","authors":[{"authorName":"刘秋生","id":"d72cdc81-b524-4d6b-9242-479857713b1c","originalAuthorName":"刘秋生"},{"authorName":"韩君庆","id":"3f3b8334-7b86-4045-a7f6-c9a6ccb9302b","originalAuthorName":"韩君庆"},{"authorName":"刘荣","id":"16f35d7e-630d-4a8d-8112-d53ba98f3248","originalAuthorName":"刘荣"}],"doi":"","fpage":"1749","id":"04307290-7fd5-4f7a-a86b-c9ec8296a24a","issue":"10","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"6f942328-0f63-4634-a411-0d67e35dd114","keyword":"流动","originalKeyword":"交变流动"},{"id":"facdf88f-db9e-4b63-9619-911f62a3fd97","keyword":"环形效应","originalKeyword":"环形效应"},{"id":"9e8c975e-8b07-4bb1-bf82-796681b32c80","keyword":"浮力效应","originalKeyword":"浮力效应"},{"id":"f8d7bc7a-7d4b-42ea-aba9-09b1ef3a5f17","keyword":"热声","originalKeyword":"热声"},{"id":"0241c88c-08b2-4ac6-9e64-bda1e3c9bbb4","keyword":"线性理论","originalKeyword":"线性理论"}],"language":"zh","publisherId":"gcrwlxb201110033","title":"热声流动中浮力效应理论分析","volume":"32","year":"2011"},{"abstractinfo":"从突变截面流道内流体满足的方程组出发,给出流动中突变截面阻力系数的定义以及考察方法,采用量纲分析法获得影响局部阻力特性的四个无量纲影响参数:动态雷诺数与幅值雷诺数之比、幅值雷诺数、截面面积比、声场压力、速度相位差。通过PW(粒子成像测速仪)测量,分析了流场结构特征,并与CFD计算结果对比,验证了CFD计算结果的可靠性,进而利用CFD模拟考察了四个无量纲参数对阻力特性的影响规律。","authors":[{"authorName":"陈燕燕","id":"5886707b-0c2a-42a5-9842-4587dd277748","originalAuthorName":"陈燕燕"},{"authorName":"张宇坤","id":"e038188b-c898-4a0a-8cd6-9b5ccdefbc89","originalAuthorName":"张宇坤"},{"authorName":"戴巍","id":"7e2f757c-7556-4b93-92ad-e16aecff3338","originalAuthorName":"戴巍"},{"authorName":"罗二仓","id":"c355d774-a198-4678-961d-ec57300d8800","originalAuthorName":"罗二仓"}],"doi":"","fpage":"186","id":"218a31fb-d7c9-406b-8316-b4015ff157a6","issue":"2","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"da5b6a56-939b-4682-a95c-9ad0841b39e5","keyword":"流动","originalKeyword":"交变流动"},{"id":"6bb2f9cf-31a3-4f2f-91c4-b122c0cdf638","keyword":"突变截面","originalKeyword":"突变截面"},{"id":"608972e6-c2d0-4c64-b3fc-751909a78ce1","keyword":"局部损失","originalKeyword":"局部损失"},{"id":"384b34dc-53b7-492b-9b47-f5f47f9c5191","keyword":"PIV测量","originalKeyword":"PIV测量"},{"id":"867fdcdc-3728-4cec-89b9-ce1183664c94","keyword":"CFD模拟","originalKeyword":"CFD模拟"}],"language":"zh","publisherId":"gcrwlxb201202002","title":"流动中突变截面局部损失特性分析","volume":"33","year":"2012"},{"abstractinfo":"为了研究纵向磁场作用下MIG焊接电弧的物理特性,提高焊接质量,分析了纵向磁场作用下电弧带电粒子的受力情况和运动状态,并利用高速摄像手段研究了纵向磁场对电弧形态的影响。结果表明,无外加纵向磁场时,自由电弧稳定燃烧,电弧轴线与焊丝轴线相重合;当加入纵向磁场时,电弧围绕焊丝轴线做逆时针和顺时针交替变化的旋转运动,电弧轴线偏离焊丝轴线;随着励磁电流的增加,电弧的旋转半径增大,电弧偏离焊丝轴线的角度增大,电弧烁亮区域面积减小;当励磁电流为30 A时,电弧的最大偏转角度为45°,此时电弧燃烧变得不稳定,甚至息弧,焊接过程不稳定。","authors":[{"authorName":"朱胜","id":"eeea0952-2ae9-4b2c-8e57-13ade3d4c8da","originalAuthorName":"朱胜"},{"authorName":"王启伟","id":"94dc5ebd-7bf6-425e-b871-d22e6cd80dcb","originalAuthorName":"王启伟"},{"authorName":"殷凤良","id":"28000f44-8fdb-4d51-b79a-a5068729a286","originalAuthorName":"殷凤良"},{"authorName":"梁媛嫒","id":"af636a74-0393-497a-a718-0d9018a7dd84","originalAuthorName":"梁媛嫒"},{"authorName":"王晓明","id":"9b771a33-8f1f-4c28-959c-b7758bd7058a","originalAuthorName":"王晓明"},{"authorName":"李显鹏","id":"48095e2c-eb91-4799-9c5b-98d803e5bf5e","originalAuthorName":"李显鹏"}],"doi":"","fpage":"23","id":"374914ee-496f-4a70-a960-59a858fa15b3","issue":"11","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":"79b81ff9-847e-483e-a98c-1048fd77ce27","keyword":"纵向磁场","originalKeyword":"纵向磁场"},{"id":"ded38a83-1def-47fe-82a1-6c5724047ff5","keyword":"MIG焊","originalKeyword":"MIG焊"},{"id":"143a3af2-3e22-4ba7-a3a6-2c6f30152891","keyword":"电弧","originalKeyword":"电弧"},{"id":"1bdeebe7-0028-4be3-960c-4a3850d03b9f","keyword":"高速摄像","originalKeyword":"高速摄像"}],"language":"zh","publisherId":"jsrclxb201111005","title":"纵向磁场作用下MIG焊电弧行为研究","volume":"32","year":"2011"},{"abstractinfo":"基于流体动量方程从机理上分析了流动和稳定流动存在差别的根本原因.以动态参数测量为基础,在运行频率30~60Hz,最大热端压比1.3,充气压力1.0~3.0MPa,等温条件下,首次定量化研究了惯性项对小管径(φ8mm)、 高目数丝网(300~500目)填充回热器流动阻力特性的影响.综合频率和压比对流动回热器阻力特性的影响,可以得出结论:在本实验条件下,回热器流动系统中的惯性力与压力相比始终是个小量,从流动角度来说,可以对回热器中气体流动作准稳态处理.","authors":[{"authorName":"论立勇","id":"489cf936-519a-4a25-987e-22679a69ca5e","originalAuthorName":"论立勇"},{"authorName":"陈厚磊","id":"29a80531-f7a4-4f14-b73b-3381534e1e8c","originalAuthorName":"陈厚磊"},{"authorName":"蔡京辉","id":"f7475315-2357-4636-b8d7-a544b5d331a8","originalAuthorName":"蔡京辉"},{"authorName":"王希龙","id":"df5c77a6-aeb5-4ed7-9f5c-1dfae3eca870","originalAuthorName":"王希龙"}],"doi":"","fpage":"181","id":"ae1cb614-7e26-41b4-a3e9-dd769db1d072","issue":"2","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"210f4f44-0a84-4676-b51f-b552245b9310","keyword":"惯性项","originalKeyword":"惯性项"},{"id":"ad4ec177-027a-4075-8930-225a310b81f9","keyword":"回热器","originalKeyword":"回热器"},{"id":"13f1a4b9-635b-4b50-83af-8077b7010bf1","keyword":"流动","originalKeyword":"交变流动"},{"id":"304efe6b-016c-41ce-9328-1fc645182b03","keyword":"阻力特性","originalKeyword":"阻力特性"}],"language":"zh","publisherId":"gcrwlxb201002001","title":"惯性项对回热器流动阻力特性影响分析","volume":"31","year":"2010"},{"abstractinfo":"对玻璃衬底上采用PECVD方法在低温条件下制备的太阳电池的各相关层材料的性质在经历一定的温度周期以后的变化情况进行了研究.研究结果表明:(1)P、N层材料(μc-Si)在经历温度试验过程以后,在测量误差范围内其光、暗电导率无明显变化;(2)Ⅰ层材料(M-Si)在经历温度试验过程以后,其光、暗电导率先略有增加(小于5个热循环周期时),之后(大于5个热循环周期时)基本保持恒定;(3)阻挡层ZnO薄膜在经历温度试验过程以后,其方块电阻不变但透射系数有所增加,反射系数基本不变;(4)电极ITO在经历温度试验过程以后,其方块电阻不变但透射系数有所增加.","authors":[{"authorName":"郝延明","id":"30167791-1793-4141-88a6-569140f40ced","originalAuthorName":"郝延明"},{"authorName":"蔡宏琨","id":"23d7bd9a-a5f7-4479-a072-5cfa55676db9","originalAuthorName":"蔡宏琨"},{"authorName":"周严","id":"5a9302ae-60db-4d90-9064-034640335d2c","originalAuthorName":"周严"},{"authorName":"林波","id":"561f297b-f976-4a44-be88-7749467f1de7","originalAuthorName":"林波"},{"authorName":"张德贤","id":"0808121b-ab35-4a62-bbae-e6752577971b","originalAuthorName":"张德贤"},{"authorName":"林列","id":"0e9935e9-a8a1-446e-ba77-a5d681eb3de9","originalAuthorName":"林列"}],"doi":"","fpage":"1870","id":"b8996f02-47d8-40a8-9a95-c9070ee27754","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":"9d36fba4-2a34-4352-a731-cce13d0c1a98","keyword":"薄膜太阳能电池","originalKeyword":"薄膜太阳能电池"},{"id":"96fae495-8a15-4edd-a06f-d0ca5d4eed0d","keyword":"薄膜材料","originalKeyword":"薄膜材料"},{"id":"f8de8e8b-6b17-4e3b-ba22-79a104b5e17c","keyword":"温度","originalKeyword":"温度"}],"language":"zh","publisherId":"gncl2004z1521","title":"温度环境对薄膜太阳电池相关层材料性能的影响","volume":"35","year":"2004"},{"abstractinfo":"Cu/Ni多层膜的强化作用来自于多层膜结构中应力场对位错运动的约束.该应力场主要包括两部分:在共格界面处由于剪切模量差而导致的镜像力, 以及多层膜内由于晶格常数差而形成失配位错网的应力. 如果位错在膜层内运动的临界应力值小于应力场的约束, 位错会被限制在单层膜内运动, 多层膜被强化; 反之, 则位错很容易通过界面到达临近的膜层, 多层膜开始出现弱化. 应力场的变化幅值与多层膜的调制波长相关. 理论计算结果表明, Cu/Ni多层膜的临界调制波长为1.9 nm, 但失配位错网的应力场在多层膜的调制波长λ=9 nm时振幅达到极值.","authors":[{"authorName":"程东","id":"c0b4c8e0-391b-4153-9866-c3d3966f4677","originalAuthorName":"程东"},{"authorName":"严志军","id":"2349ce65-2154-444a-8b6b-f92b623cecdc","originalAuthorName":"严志军"},{"authorName":"严立","id":"d1047aad-b17a-4610-9e6e-0e8d9d545b13","originalAuthorName":"严立"}],"categoryName":"|","doi":"","fpage":"118","id":"cf2af982-cce9-4c82-b6bd-90c1a3a01bb9","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":"aa174a10-18b3-484a-8ca3-8bde3524dca4","keyword":"多层膜","originalKeyword":"多层膜"},{"id":"306003d1-a41b-4494-ac4c-49b8666dfe63","keyword":"null","originalKeyword":"null"},{"id":"94875b6d-52a5-43cb-ad72-575405f40c07","keyword":"null","originalKeyword":"null"},{"id":"3205d3d0-df0b-4680-b694-e405c078f506","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_2006_2_9","title":"Cu/Ni多层膜中应力场对可动位错的制约","volume":"42","year":"2006"},{"abstractinfo":"Cu/Ni多层膜的强化作用来自于多层膜结构中应力场对位错运动的约束.该应力场主要包括两部分:在共格界面处由于剪切模量差而导致的镜像力,以及多层膜内由于晶格常数差而形成失配位错网的应力.如果位错在膜层内运动的临界应力值小于应力场的约束,位错会被限制在单层膜内运动,多层膜被强化;反之,则位错很容易通过界面到达临近的膜层,多层膜开始出现弱化.应力场的变化幅值与多层膜的调制波长相关.理论计算结果表明,Cu/Ni多层膜的临界调制波长为1.9 nm,但失配位错网的应力场在多层膜的调制波长λ=9 nm时振幅达到极值.","authors":[{"authorName":"程东","id":"4daecdad-9ce3-4dc7-ab50-63d36f084c8c","originalAuthorName":"程东"},{"authorName":"严志军","id":"72114eba-982f-4280-9178-f539c57f53cc","originalAuthorName":"严志军"},{"authorName":"严立","id":"21408c0e-d49a-474c-84f1-2c87eccaeaf5","originalAuthorName":"严立"}],"doi":"10.3321/j.issn:0412-1961.2006.02.002","fpage":"118","id":"57aea1e0-f0ca-488f-b246-559b0e07c19d","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":"d5c445e2-1c8e-4497-b5cc-a0b917881ec8","keyword":"多层膜","originalKeyword":"多层膜"},{"id":"4952ca3c-fc1b-41e9-9bc9-91ec72bf7a0e","keyword":"失配位错","originalKeyword":"失配位错"},{"id":"baf03503-f815-4966-a359-18c00b9dd01e","keyword":"分子动力学","originalKeyword":"分子动力学"},{"id":"3a74a1d7-5a07-447c-bd9b-c2afd5a760ee","keyword":"应力场","originalKeyword":"交变应力场"}],"language":"zh","publisherId":"jsxb200602002","title":"Cu/Ni多层膜中应力场对可动位错的制约","volume":"42","year":"2006"},{"abstractinfo":"研究了低频磁场下Cu-14Fe原位复合材料的凝固行为,讨论了磁场施加和磁场强度对铸锭组织、溶质分布和性能的影响.结果表明,Cu-14Fe复合材料常规凝固组织中Fe相主要呈枝晶和不规则长条状分布,施加磁场后,Fe相转化成梅花状或等轴状晶粒,分布更均匀.磁场的施加导致Cu基体中Fe溶质含量降低,磁场强度越大,浓度下降越明显.磁场的施加大幅降低了铸锭中的氧含量,提高了材料的电导率,降低了基体硬度.磁场对Cu-14Fe原位复合材料凝固过程的影响分别从动力学和热力学方面进行了分析,磁场一方面通过力场改变了熔体的热流和溶质分布,另一方面作为能量场作用于熔体影响了晶胚形核的势垒,从而影响了Cu-14Fe原位复合材料的凝固组织与性能.凝固过程中施加磁场有利于Cu-14Fe原位复合材料中Fe相的细化和析出.","authors":[{"authorName":"邹晋","id":"7db569b7-e7c1-4169-b61a-69f7d8cb9fba","originalAuthorName":"邹晋"},{"authorName":"谢仕芳","id":"04d355bc-9b13-4a4c-8dba-ef9895733b92","originalAuthorName":"谢仕芳"},{"authorName":"周喆","id":"8a255d60-e92e-4660-9451-e65bfef3df4c","originalAuthorName":"周喆"},{"authorName":"付青峰","id":"6cab9f6e-cf44-481b-b4f3-f8715fefabe0","originalAuthorName":"付青峰"},{"authorName":"谌昀","id":"265ec64e-f04a-4cee-86b8-57202f73a303","originalAuthorName":"谌昀"},{"authorName":"翟启杰","id":"b1ae2958-39c3-4b9c-9e19-905f10d51250","originalAuthorName":"翟启杰"},{"authorName":"陆德平","id":"ce8fa0f3-677a-40e1-8b60-17548d8968ff","originalAuthorName":"陆德平"}],"doi":"","fpage":"6","id":"513fd555-bb3c-4ee9-aec0-7ab0c5ac09aa","issue":"2","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":"aac144a7-7b7b-443e-922c-44dea0bafc1c","keyword":"Cu-Fe原位复合材料","originalKeyword":"Cu-Fe原位复合材料"},{"id":"30a277c7-6665-4237-9ab1-9a1e1a12b093","keyword":"磁场","originalKeyword":"交变磁场"},{"id":"a726b4ca-89ad-436a-a368-409373483132","keyword":"Fe枝晶","originalKeyword":"Fe枝晶"},{"id":"2994d48d-4696-48ca-9fff-d2adf3313d17","keyword":"溶质分布","originalKeyword":"溶质分布"}],"language":"zh","publisherId":"jsrclxb201602002","title":"磁场下Cu-Fe复合材料的凝固组织与性能","volume":"37","year":"2016"}],"totalpage":561,"totalrecord":5605}