{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"在高温状态下,镍基单晶超合金的变形、损伤及断裂分析中,孔洞的长大都起着主要的作用.本研究进行了系列的蠕变、疲劳及热机械疲劳(TMF)试验.对试件的断面进行的SEM观察表明,所有的断面都是有许多小断面构成,在断面的中心,至少有一个孔洞.孔洞的尺寸与加载的条件相关.使用晶体塑性有限元程序对单胞模型进行分析,模拟孔洞的长大规律.给出了蠕变和弹塑性两种条件下的模拟结果及不同的晶体取向对孔穴长大的影响结果.对孔洞长大的有限元分析有助于对实验结果的理解.","authors":[{"authorName":"王毅","id":"3692a1e5-eec8-45a5-84d8-5ba7c33bcdaa","originalAuthorName":"王毅"},{"authorName":"岳珠峰","id":"4f2d0062-d8da-4484-b7dc-a910f5fa8021","originalAuthorName":"岳珠峰"},{"authorName":"","id":"27049b18-4f46-41ab-8e56-bc59b7024c69","originalAuthorName":""}],"doi":"","fpage":"39","id":"7fca42a7-43a7-433b-b28b-7e0eabc1aa85","issue":"1","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":"02a39b64-93e3-4a0e-bf8e-c10ad37008a0","keyword":"空洞长大","originalKeyword":"空洞长大"},{"id":"19cc94d8-5dee-43b5-8abb-4daddc072ddf","keyword":"镍基单晶超合金","originalKeyword":"镍基单晶超合金"},{"id":"628d5f05-283f-41e1-b5a5-e5b8d4f5e4c4","keyword":"晶体有限元分析","originalKeyword":"晶体有限元分析"},{"id":"988618c8-f8db-403d-b95a-fb6de1b13398","keyword":"蠕变","originalKeyword":"蠕变"},{"id":"fb8fb45c-bf74-4330-b78c-1ab7f760fa73","keyword":"疲劳","originalKeyword":"疲劳"},{"id":"c4e67d9f-6164-4175-8c3f-e3ec6af6e17c","keyword":"热机械疲劳(TMF)","originalKeyword":"热机械疲劳(TMF)"}],"language":"zh","publisherId":"xyjsclygc200601010","title":"镍基单晶超合金中孔洞长大的试验和有限元分析","volume":"35","year":"2006"},{"abstractinfo":"晶体塑性理论已被广泛应用于现有的有限元分析中,从微观角度来模拟和预测晶体材料的宏观各向异性力学行为及塑性变形过程中织构的演化与发展.现有的晶体塑性理论框架核心主要基于由滑移引起的塑性变形机制,在预测由滑移和孪晶引起塑性变形的材料力学响应方面还不够完善.本文以具有密排六方(HCP)结构的变形镁合金塑性变形过程为例,综述了以滑移和孪晶为核心的晶体塑性理论的理论研究和应用现状,重点评述了现有孪晶的数值实现方法,并预测了相应理论的发展方向.","authors":[{"authorName":"王娜","id":"8cdf452e-1659-4cc4-8d06-1ec7aaba98cc","originalAuthorName":"王娜"},{"authorName":"雷丽萍","id":"77ebe85a-01e7-4c99-9bd2-4755ff607d6f","originalAuthorName":"雷丽萍"},{"authorName":"方刚","id":"7a2fad5f-3077-4e89-8d10-0b680bfb6e08","originalAuthorName":"方刚"},{"authorName":"曾攀","id":"9c594f97-3098-45cd-88de-89e114ba1160","originalAuthorName":"曾攀"}],"doi":"10.3969/j.issn.0258-7076.2008.06.019","fpage":"766","id":"14810e93-ceb0-430b-8da1-dcaf0852180c","issue":"6","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"0d1aab80-c7b2-4e5d-b84c-80b7dbbdba51","keyword":"晶体塑性","originalKeyword":"晶体塑性"},{"id":"eda6b483-874a-4867-83c3-055e32711098","keyword":"滑移","originalKeyword":"滑移"},{"id":"47ed672f-dae4-4249-b078-71f3756b75a5","keyword":"孪晶","originalKeyword":"孪晶"},{"id":"afc500ae-0cd2-4075-80ea-f00351c9b3f6","keyword":"镁合金","originalKeyword":"镁合金"},{"id":"12143a09-2e89-4b86-aa85-7582b123019d","keyword":"有限元法","originalKeyword":"有限元法"}],"language":"zh","publisherId":"xyjs200806019","title":"镁合金变形的晶体塑性有限元分析","volume":"32","year":"2008"},{"abstractinfo":"为了求得KDP晶体的应力-应变曲线以及材料的屈服应力,基于圣维南定理和实验得到的材料性能参数建立了KDP晶体的压痕过程仿真模型,利用ABAQUS有限元分析软件对KDP晶体压痕过程进行了有限元仿真,得到了KDP晶体的载荷-位移曲线和加/卸载过程中的等效应力变化规律.仿真结果表明:加载过程中最大应力集中在压头尖角处,卸载后最大应力分布在压头棱边所留下的压痕处,KDP晶体材料的屈服应力为120 MPa.","authors":[{"authorName":"王洪祥","id":"8b2962b8-471a-4274-bedb-0838bf93ebb1","originalAuthorName":"王洪祥"},{"authorName":"马恩财","id":"4b448578-2c75-49c4-9c44-c73805416220","originalAuthorName":"马恩财"},{"authorName":"高石","id":"c688b800-fba8-4e5a-b2b4-365ea7db0189","originalAuthorName":"高石"},{"authorName":"黄志群","id":"af1ce209-7faa-45ed-9186-4bad97526030","originalAuthorName":"黄志群"},{"authorName":"许乔","id":"40fda94a-4d9a-49f4-b605-f0db1c7b4fd1","originalAuthorName":"许乔"},{"authorName":"侯晶","id":"22c2f5bd-9061-4869-aa82-74b9347cd59b","originalAuthorName":"侯晶"}],"doi":"","fpage":"40","id":"d0471afe-1535-4036-a52d-098d8530aee4","issue":"1","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"b6eef6b1-ce3a-4931-a93a-32839921d07c","keyword":"KDP晶体","originalKeyword":"KDP晶体"},{"id":"a621f3f9-4554-4bc3-8de7-65dd8368da66","keyword":"力学性能","originalKeyword":"力学性能"},{"id":"f3d697ee-13e3-4e33-ada6-bc2bf16963e9","keyword":"压痕试验","originalKeyword":"压痕试验"},{"id":"5c0c03e6-7615-477d-8408-80177d619b0e","keyword":"有限元分析","originalKeyword":"有限元分析"}],"language":"zh","publisherId":"clkxygy200901010","title":"磷酸二氢钾(KDP)晶体纳米压痕过程的有限元分析","volume":"17","year":"2009"},{"abstractinfo":"金属材料的各向异性对板材成形性能具有很大影响.本文建立了率无关多晶体有限元模型,并将取向空间中的晶体取向分配给各个单元的积分点.从而对面心立方金属轧制板材冲压过程中制耳的大小和分布,采用晶体塑性有限元分析,并通过试验结果进行验证.高纯铝板在轧制过程主要形成高强的旋转立方织构,织构组分比较单一,因此具有明显的制耳现象,并且制耳呈45°方位.","authors":[{"authorName":"张少睿","id":"ddaefbd5-0305-45bb-a9ee-9e5a1262dd06","originalAuthorName":"张少睿"},{"authorName":"李大永","id":"8d94f820-6632-48fc-be1a-765aacd078e5","originalAuthorName":"李大永"},{"authorName":"罗应兵","id":"69089d86-95ef-4a21-a05a-2707289e5c29","originalAuthorName":"罗应兵"},{"authorName":"彭颖红","id":"2aceb0f2-daec-457a-ab02-985fb71a2f3b","originalAuthorName":"彭颖红"}],"doi":"10.3969/j.issn.1673-2812.2004.04.003","fpage":"479","id":"147dcfb0-3c1d-4b52-a120-00c2ad0db5d1","issue":"4","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"abb6665f-4226-4af7-9993-0fb4aa14adc6","keyword":"面心立方金属","originalKeyword":"面心立方金属"},{"id":"166f8389-0c60-4e62-9c30-b588392c9458","keyword":"率无关","originalKeyword":"率无关"},{"id":"118b23c9-ccec-4b18-acb4-5a057bf49e6b","keyword":"织构","originalKeyword":"织构"},{"id":"8a38ff89-d9c5-4b22-b3d1-030f9b15e0b1","keyword":"多晶体塑性模型","originalKeyword":"多晶体塑性模型"}],"language":"zh","publisherId":"clkxygc200404003","title":"冷轧高纯铝板深冲过程的率无关多晶体有限元分析","volume":"22","year":"2004"},{"abstractinfo":"以大型商用有限元软件ABAQUS为计算平台,基于等参梯度单元法的思想,建立功能梯度材料结构的有限元分析模型,进行有限元计算分析.数值算例表明,等参梯度有限单元法的应力和位移计算结果均与解析解吻合得很好.根据设计组分材料Y-TZP弹性模量的三种工况,讨论了弹性模量梯度系数对有限元计算结果的影响.通过有限元网格加密的数值算例,发现等参梯度有限单元法具有精度高和收敛快的特点.","authors":[{"authorName":"黄立新","id":"1bab33e3-a262-4abb-b772-c1ec5f171917","originalAuthorName":"黄立新"},{"authorName":"杨真真","id":"8ce08e1b-89d6-4671-bcfc-109b9672e49f","originalAuthorName":"杨真真"},{"authorName":"张晓磊","id":"939f0224-cbb7-4f51-acdb-87246d6740cf","originalAuthorName":"张晓磊"},{"authorName":"阳明","id":"361acf9b-b7bd-4cb1-8e10-ed5a123e9135","originalAuthorName":"阳明"}],"doi":"","fpage":"33","id":"aa6be404-5c37-453b-ab54-4ff686f4e09b","issue":"2","journal":{"abbrevTitle":"BLGFHCL","coverImgSrc":"journal/img/cover/BLGFHCL.jpg","id":"6","issnPpub":"1003-0999","publisherId":"BLGFHCL","title":"玻璃钢/复合材料"},"keywords":[{"id":"38639eea-aada-4d76-9715-1a9b1ccc998a","keyword":"功能梯度材料","originalKeyword":"功能梯度材料"},{"id":"325c6ac6-59fd-4e2a-964a-20f8531e063c","keyword":"等参梯度单元","originalKeyword":"等参梯度单元"},{"id":"d4bf3da3-de75-435c-9f60-46f1917478ba","keyword":"梯度系数","originalKeyword":"梯度系数"},{"id":"e1f0b5bc-11d9-473b-bf65-6242b2c2f4ac","keyword":"有限元分析","originalKeyword":"有限元分析"}],"language":"zh","publisherId":"blgfhcl201402007","title":"基于ABAQUS的功能梯度材料等参梯度有限元分析","volume":"","year":"2014"},{"abstractinfo":"本文对玻璃钢板加固混凝土梁界面应力进行了有限元分析,研究了不同玻璃钢板长度、厚度对界面应力的影响,得到了界面应力随玻璃钢板长度、厚度变化的规律.有限元计算结果与试验结果吻合较好.","authors":[{"authorName":"丁亚红","id":"0b52b660-8686-437a-ab6c-16c1b8de4099","originalAuthorName":"丁亚红"},{"authorName":"张春生","id":"28c22a11-6823-4fad-b96b-6937e610893e","originalAuthorName":"张春生"},{"authorName":"曾宪桃","id":"362b62ab-62cc-4fb6-89ed-a72c22c93a17","originalAuthorName":"曾宪桃"}],"doi":"10.3969/j.issn.1003-0999.2005.05.002","fpage":"6","id":"838bc80e-69b3-4fc8-8f3b-a2c988f38baf","issue":"5","journal":{"abbrevTitle":"BLGFHCL","coverImgSrc":"journal/img/cover/BLGFHCL.jpg","id":"6","issnPpub":"1003-0999","publisherId":"BLGFHCL","title":"玻璃钢/复合材料"},"keywords":[{"id":"f432672b-7db5-4fec-8111-e3bcadf54bbe","keyword":"玻璃钢板","originalKeyword":"玻璃钢板"},{"id":"ab2a5e86-9eee-4e38-afbf-c809243e2b88","keyword":"界面应力","originalKeyword":"界面应力"},{"id":"d1792b7c-6781-431c-9051-eed7abafefb9","keyword":"有限元分析","originalKeyword":"有限元分析"}],"language":"zh","publisherId":"blgfhcl200505002","title":"玻璃钢板加固混凝土梁界面应力有限元分析","volume":"","year":"2005"},{"abstractinfo":"本文基于ABAQUS建立了二维声子晶体体波能带结构的有限元计算方法.该方法首先利用周期性边界条件和Bloch定理,将周期结构的有限元离散特征方程化归到一个周期单胞内的复系数特征方程,然后将其分为实部和虚部两组方程,并在周期单胞边界上应用Bloch定理,求解得到的实数特征方程,获得频散曲线.与已有计算方法相比,该方法在适用性、计算速度、精确度和收敛性等方面具有明显的优越性.在此基础上使用发展的有限元方法分析研究了不同形状的声子晶体微腔的能带结构特性.结果表明这些晶体结构对于特定频率的声波可以将其限制在声子晶体微腔内,在一定环境下有着较好的吸声降噪功能.","authors":[{"authorName":"李建宝","id":"9549c714-bd7f-4818-8e04-69d3360a8cf4","originalAuthorName":"李建宝"},{"authorName":"汪越胜","id":"2f4749c7-51dc-4d54-b716-1778f03f299c","originalAuthorName":"汪越胜"},{"authorName":"张传增","id":"7fbaa5f7-4706-41f6-8330-a2d2130c0726","originalAuthorName":"张传增"}],"doi":"","fpage":"649","id":"deafaf63-7593-4101-b3ac-6f6d0680b5a4","issue":"3","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":"9e9d3e01-bc44-4534-ab97-ddde0d1281a4","keyword":"声子晶体","originalKeyword":"声子晶体"},{"id":"d66dec02-f6ef-42d4-83c1-d047ee84f367","keyword":"周期结构","originalKeyword":"周期结构"},{"id":"cc20fba5-c0d8-480b-810e-4f6cb7820e02","keyword":"微腔","originalKeyword":"微腔"},{"id":"491de92c-06c9-4e28-be96-73212c3f56b2","keyword":"能带结构","originalKeyword":"能带结构"},{"id":"283d8c29-e63d-4e05-b086-807933bca04a","keyword":"有限元法","originalKeyword":"有限元法"}],"language":"zh","publisherId":"rgjtxb98201003019","title":"二维声子晶体微腔能带结构的有限元分析与设计","volume":"39","year":"2010"},{"abstractinfo":"运用ANSYS有限元软件对波纹管进行应力分析,得出波纹管应力集中位置,借助Fatigue tool模块,采用E-N方法进行疲劳寿命分析,得到波纹管的疲劳寿命分布.有限元分析结果与经验公式及试验结果的比较,得出有限元模拟结果比经验公式更加接近试验结果.最后指出了在进行波纹管疲劳寿命有限元分析过程中需要注意的问题.","authors":[{"authorName":"陈友恒","id":"4925a9c9-1c69-4b23-aba5-fcca1ccacc5d","originalAuthorName":"陈友恒"},{"authorName":"段玫","id":"247fb553-2ca8-4d64-b07e-da9a6b629f9c","originalAuthorName":"段玫"}],"doi":"","fpage":"62","id":"8b1cf414-2a1e-4629-91b0-c19dd1f5a0e4","issue":"1","journal":{"abbrevTitle":"CLKFYYY","coverImgSrc":"journal/img/cover/CLKFYYY.jpg","id":"10","issnPpub":"1003-1545","publisherId":"CLKFYYY","title":"材料开发与应用"},"keywords":[{"id":"5886d6ab-e059-4401-b3b1-fb9034c39d54","keyword":"波纹管","originalKeyword":"波纹管"},{"id":"cafdd6ce-a31f-44b1-9e57-e485c0f73d90","keyword":"有限元","originalKeyword":"有限元"},{"id":"8bf655a2-c160-4754-a192-287f03701c3e","keyword":"疲劳寿命","originalKeyword":"疲劳寿命"}],"language":"zh","publisherId":"clkfyyy201301014","title":"U形波纹管疲劳寿命有限元分析","volume":"28","year":"2013"},{"abstractinfo":"利用具有非线性分析能力的Marc2000/Mentat2000有限元分析系统,对尾翼片进行有限元分析,动态模拟了尾翼片的装配和贮存过程的应力应变状态;根据分析结果,提出了尾翼片与固定裙装配部位应进行结构上的改进.","authors":[{"authorName":"宣卫芳","id":"8fd5036e-6998-40f8-889c-5b87221acd57","originalAuthorName":"宣卫芳"},{"authorName":"许明","id":"2896d94b-0eac-4225-bd31-b34ad928dedc","originalAuthorName":"许明"},{"authorName":"邓爱民","id":"22aa672c-d16d-45d2-8ed7-8ac944ae04ff","originalAuthorName":"邓爱民"},{"authorName":"杨万均","id":"e4210748-65a8-495d-8d85-941f8cfd4f15","originalAuthorName":"杨万均"},{"authorName":"王家林","id":"126866bf-2c3c-4d5e-9296-48fc01beb307","originalAuthorName":"王家林"}],"doi":"10.3969/j.issn.1001-4381.2003.z1.100","fpage":"304","id":"8106b7c5-bd31-4bda-b1a2-5a1a5a1367bf","issue":"z1","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"804f510b-d637-4c6b-a32d-44cc96380669","keyword":"有限元分析","originalKeyword":"有限元分析"},{"id":"fbfb311d-ee76-4058-a277-8447c992b5bb","keyword":"尾翼片","originalKeyword":"尾翼片"},{"id":"0c3e8321-06f1-4f34-a59a-17ea1093efe4","keyword":"总等效塑性应变","originalKeyword":"总等效塑性应变"},{"id":"52e57954-8d8c-4697-bd15-9302ce835c22","keyword":"应力","originalKeyword":"应力"},{"id":"dbe14ca9-230c-4560-acd6-197fc9b2cbc0","keyword":"应变","originalKeyword":"应变"}],"language":"zh","publisherId":"clgc2003z1100","title":"某型特种弹尾翼片的有限元分析","volume":"","year":"2003"},{"abstractinfo":"本文根据SiC晶体PVT生长炉的实际提出了生长系统温度场计算的流体力学模型,采用有限元法分析了生长腔内的热传导、辐射和对流对生长腔内和生长晶体中温度空间分布的影响.通过对生长腔内及生长晶体中温度瞬态和稳态分布的分析,得出在加热的初始阶段腔内气体对流对坩埚内的温度分布有较大影响,在系统热平衡后辐射对腔内温度分布起决定作用的结论.","authors":[{"authorName":"张群社","id":"48122f1d-a6c9-47ea-af86-5e2f8dce40de","originalAuthorName":"张群社"},{"authorName":"陈治明","id":"3852ed56-9a98-4cf9-a978-3bf3d65d2571","originalAuthorName":"陈治明"},{"authorName":"蒲红斌","id":"3cf96c1f-b7be-4b40-b6ab-58a36fa028ac","originalAuthorName":"蒲红斌"},{"authorName":"李留臣","id":"3e339d60-9b09-46ef-8a92-d879468d1222","originalAuthorName":"李留臣"},{"authorName":"封先锋","id":"2b7d9fcd-e330-408f-8ca4-1210218d6f58","originalAuthorName":"封先锋"},{"authorName":"巩泽龙","id":"ad867427-72de-4c5a-8461-c3250672780d","originalAuthorName":"巩泽龙"}],"doi":"10.3969/j.issn.1000-985X.2005.05.013","fpage":"828","id":"6e0231b8-2b60-4cea-b963-813ce4f76d9c","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":"014bdbe5-b968-47cb-b942-534466068f8d","keyword":"SiC晶体","originalKeyword":"SiC晶体"},{"id":"9a988843-75a4-4fdb-ae64-3c38f0e6beda","keyword":"PVT法","originalKeyword":"PVT法"},{"id":"274d8711-f2b6-44f8-b4fc-f481e5202f62","keyword":"流体力学模型","originalKeyword":"流体力学模型"},{"id":"f0f674d8-5d0f-4fa8-9dc8-39e4a9b4d677","keyword":"温度场","originalKeyword":"温度场"}],"language":"zh","publisherId":"rgjtxb98200505013","title":"SiC晶体PVT生长系统的流体力学模型及其有限元分析","volume":"34","year":"2005"}],"totalpage":15692,"totalrecord":156918}