{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":3,"startPagecode":1},"records":[{"abstractinfo":"利用MTS 810型疲劳试验机,采用轴向应变控制的方法,研究了应变比对2．25Cr1MoV钢高温(455℃)低周疲劳行为的影响.结果表明：在455℃下,2．25Cr1MoV钢呈现明显的循环软化特性；应变比不改变该钢的循环软化特性,但会产生初始平均应力,平均应力在寿命初期阶段随着循环周次增加急剧降低,并趋为0；应变比不改变疲劳裂纹的萌生方式,且对迟滞环的形状和大小没有影响；对称循环和非对称循环的低周疲劳寿命基本一致.","authors":[{"authorName":"田阳","id":"5653cdef-4c8f-4cdb-a594-fbfdbbe9bd59","originalAuthorName":"田阳"},{"authorName":"陈巍峰","id":"f7f3ccf0-3469-49c9-aaec-95043adda6dc","originalAuthorName":"陈巍峰"},{"authorName":"<span style=\"color:red\">赵</span><span style=\"color:red\">姿</span><span style=\"color:red\">贞</span>","id":"2dd0784e-7031-4924-bd6c-688f65f2b4e7","originalAuthorName":"赵姿贞"},{"authorName":"陈旭","id":"5fd42766-6814-411e-b5b4-6d1aac5e1ca6","originalAuthorName":"陈旭"}],"doi":"10.11973/jxgccl201511019","fpage":"83","id":"40d233fd-dcf4-4470-8562-b09afd1933f8","issue":"11","journal":{"abbrevTitle":"JXGCCL","coverImgSrc":"journal/img/cover/JXGCCL.jpg","id":"45","issnPpub":"1000-3738","publisherId":"JXGCCL","title":"机械工程材料"},"keywords":[{"id":"224b25d5-51e1-4bfc-b034-3bba43087087","keyword":"2 .2 5 Cr1 MoV钢","originalKeyword":"2 .2 5 Cr1 MoV钢"},{"id":"9c780472-3c93-4eac-bafe-ae609ae78473","keyword":"低周疲劳行为","originalKeyword":"低周疲劳行为"},{"id":"86a72c2b-a2e1-46a3-b8e5-29e1d0e82c88","keyword":"循环软化","originalKeyword":"循环软化"},{"id":"2077513e-1331-4bcb-ab29-a41a3f4dc9fc","keyword":"应变比","originalKeyword":"应变比"}],"language":"zh","publisherId":"jxgccl201511020","title":"应变比对2．25Cr1 MoV钢高温低周疲劳行为的影响","volume":"","year":"2015"},{"abstractinfo":"利用液压疲劳试验机,采用轴向应变控制方法在455℃下对2．25Cr1MoV 钢进行高温低周疲劳试验,通过在峰值应变拉伸时保载0,60,600 s,研究了拉伸保载时间对该钢低周疲劳行为的影响,并用扫描电镜对断口形貌进行了观察.结果表明：2．25Cr1MoV 钢呈明显的循环软化特性,拉伸保载会明显降低循环应力幅,但保载时间对循环应力幅的影响不大；拉伸保载使该钢的疲劳寿命降低,但保载时间超过60 s 后,疲劳寿命基本不受保载时间的影响；拉伸保载没有改变试验钢的疲劳断裂模式.","authors":[{"authorName":"田阳","id":"8b44f614-58e5-4061-8704-386417835347","originalAuthorName":"田阳"},{"authorName":"<span style=\"color:red\">赵</span><span style=\"color:red\">姿</span><span style=\"color:red\">贞</span>","id":"77ce9602-92ae-43d7-b773-3a2c4cde3e08","originalAuthorName":"赵姿贞"},{"authorName":"陈巍峰","id":"97e1fdc2-6db5-4616-9f1f-87fa5f6dd33d","originalAuthorName":"陈巍峰"},{"authorName":"陈旭","id":"2f4ce8ab-187b-4a51-9df3-ee5993c26e10","originalAuthorName":"陈旭"}],"doi":"10.11973/jxgccl201603001","fpage":"1","id":"acfd1388-b253-44c5-90b8-91d4ce4da4bb","issue":"3","journal":{"abbrevTitle":"JXGCCL","coverImgSrc":"journal/img/cover/JXGCCL.jpg","id":"45","issnPpub":"1000-3738","publisherId":"JXGCCL","title":"机械工程材料"},"keywords":[{"id":"6e01aa42-d90c-473d-865e-2d29519febf1","keyword":"2.25Cr1MoV 钢","originalKeyword":"2.25Cr1MoV 钢"},{"id":"4968c498-f246-44b3-b128-e3ab87687998","keyword":"低周疲劳","originalKeyword":"低周疲劳"},{"id":"70b99c03-8fdf-4a0f-812f-cba9057d8056","keyword":"循环软化","originalKeyword":"循环软化"},{"id":"eae24e70-06a8-4d31-a79f-b3dd50a8e1f4","keyword":"拉伸保载","originalKeyword":"拉伸保载"},{"id":"48718f7b-7788-4bfb-bf8d-63518e95ca8f","keyword":"蠕变-疲劳","originalKeyword":"蠕变-疲劳"}],"language":"zh","publisherId":"jxgccl201603001","title":"拉伸保载对2．25Cr1MoV 钢高温低周疲劳行为的影响","volume":"40","year":"2016"},{"abstractinfo":"概述了国内外<span style=\"color:red\">姿</span>/轨控液体火箭发动机高温抗氧化涂层的研究和应用进展,研制过程涉及多种材料体系,但仅有几类广泛应用于型号,包括Nb基材表面硅化物材料体系、Pt-Rh合金、Re基材表面Ir涂层.随着对发动机性能要求的提高,Re/Ir材料体系成为目前主要的研究方向.","authors":[{"authorName":"徐方涛","id":"1c7c10b2-83ed-4a09-a0e8-3b5b68850d30","originalAuthorName":"徐方涛"},{"authorName":"张绪虎","id":"66fe06d0-1fff-45cb-bd23-97b212770f9c","originalAuthorName":"张绪虎"},{"authorName":"贾中华","id":"e4f70d1a-2f9c-4e3b-b492-69921ca55530","originalAuthorName":"贾中华"}],"doi":"10.3969/j.issn.1007-2330.2012.01.005","fpage":"25","id":"124a631b-efd0-4034-871d-38e3a1da9154","issue":"1","journal":{"abbrevTitle":"YHCLGY","coverImgSrc":"journal/img/cover/YHCLGY.jpg","id":"77","issnPpub":"1007-2330","publisherId":"YHCLGY","title":"宇航材料工艺   "},"keywords":[{"id":"a0a100e4-49ef-4eb5-8a4d-fcada0df27ae","keyword":"<span style=\"color:red\">姿</span>/轨控发动机","originalKeyword":"姿/轨控发动机"},{"id":"a4954d88-3fde-483c-92e7-f9e69d65cc3a","keyword":"推力室","originalKeyword":"推力室"},{"id":"9dcf51e7-d0bd-4144-bbc9-2593ec719bd1","keyword":"高温抗氧化","originalKeyword":"高温抗氧化"},{"id":"7f161f82-31c5-460f-91a3-2cce8fd73bf7","keyword":"涂层","originalKeyword":"涂层"}],"language":"zh","publisherId":"yhclgy201201005","title":"<span style=\"color:red\">姿</span>/轨控液体火箭发动机推力室高温抗氧化涂层","volume":"42","year":"2012"},{"abstractinfo":"概述了国内外小推力<span style=\"color:red\">姿</span>/轨控液体火箭发动机新材料的研究和应用进展.<span style=\"color:red\">姿</span>/轨控液体火箭发动机推力室已从高性能铌/硅化物材料体系向复合材料推力室技术发展,研制出耐高温性能更好的新型材料体系和高温抗氧化涂层,以及将它们应用于发动机推力室的制造是提高<span style=\"color:red\">姿</span>/轨控发动机技术水平的有效途径.","authors":[],"doi":"","fpage":"11","id":"d4f3453e-e6c7-462d-8891-8362c188d28d","issue":"5","journal":{"abbrevTitle":"YHCLGY","coverImgSrc":"journal/img/cover/YHCLGY.jpg","id":"77","issnPpub":"1007-2330","publisherId":"YHCLGY","title":"宇航材料工艺   "},"keywords":[{"id":"fd21f7ee-bde7-4490-81a6-de1a062b7137","keyword":"<span style=\"color:red\">姿</span>/轨控液体发动机","originalKeyword":"姿/轨控液体发动机"},{"id":"287ddfbf-a56d-4e91-8b3f-e0a707fafc62","keyword":"材料","originalKeyword":"材料"},{"id":"46cfd757-cf09-451a-a904-e43fa4128bd4","keyword":"应用","originalKeyword":"应用"}],"language":"zh","publisherId":"yhclgy200505003","title":"小推力<span style=\"color:red\">姿</span>/轨控液体火箭发动机材料的研究进展","volume":"35","year":"2005"},{"abstractinfo":"为准确获得双组元<span style=\"color:red\">姿</span>控发动机的羽流及其反流特性,采用直接模拟蒙特卡罗(DSMC)方法结合可变软球(VSS)模型数值模拟以N2O4/MMH为推进剂的真空羽流.喷口参数由喷管流动的DSMC法计算得到.与文献比较表明本文计算程序可信.模拟结果表明,分子质量越小的气体越容易进入反流区;本文的计算条件下,在偏离X轴正向116°～140°范围内,组分数密度和质量流率以及温度均出现了最大值.","authors":[{"authorName":"王平阳","id":"34dbd109-aecd-4c0e-b9fd-f0d073bffdbb","originalAuthorName":"王平阳"},{"authorName":"鹿洪芳","id":"011cb3bd-8b33-42c1-b5c6-691a474a9286","originalAuthorName":"鹿洪芳"},{"authorName":"程惠尔","id":"51aaf6da-b37a-4088-9d1f-30a5df790941","originalAuthorName":"程惠尔"}],"doi":"","fpage":"640","id":"e4ba9735-b88e-472b-bd78-8f07e33ae836","issue":"4","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":"3fe82868-84bd-427e-9060-c6f52c14ac14","keyword":"<span style=\"color:red\">姿</span>控发动机","originalKeyword":"姿控发动机"},{"id":"81213955-de72-4e18-8ca9-c5c2e972010d","keyword":"DSMC方法","originalKeyword":"DSMC方法"},{"id":"1a8f0fa3-f106-4ba3-9237-41564b080583","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"d46e4c00-ddd4-46af-9417-60e97cd99368","keyword":"真空羽流","originalKeyword":"真空羽流"},{"id":"403d3d32-33bf-45ca-862d-96400fb49f35","keyword":"反流","originalKeyword":"反流"}],"language":"zh","publisherId":"gcrwlxb200404031","title":"双组元<span style=\"color:red\">姿</span>控发动机反流特性的DSMC模拟","volume":"25","year":"2004"},{"abstractinfo":"飞机姿态测量是无人机系统目标定位的重要环节.该文拟采用多台北斗天线测<span style=\"color:red\">姿</span>,分析了北斗接收天线测<span style=\"color:red\">姿</span>精度对机载光电平台目标定位精度的影响.为此,本文建立机载光电平台目标定位系统模型,用蒙特卡洛法分析目标定位误差,并对飞机姿态测量误差在0．05°~1°范围内以及飞行高度在1000~8000 m时的垂直下视和斜视目标定位误差进行比较.实验结果表明,在姿态测量误差及飞行高度范围内,垂直下视目标定位高程误差在20 m 左右,平面定位误差为23~65 m；斜视定位(－60°斜视,俯仰轴以水平向前为0°)大地高误差为20~30 m,平面定位误差为24~71 m.同时分析了天线摆放及基线长度对测<span style=\"color:red\">姿</span>精度的影响.目标定位误差主要与飞机姿态角测量误差、北斗系统误差、光电平台方位角和高低角测量误差有关,还与目标与飞机之间的斜距有关.飞行高度越大,光电平台高低角越小,斜距越大,则目标定位误差越大.基线越长,测<span style=\"color:red\">姿</span>精度越高,当基线垂直时,横滚角误差最小.","authors":[{"authorName":"蔡明兵","id":"f5140b6d-8c5c-4a3a-9dca-f2cfbbcc9b58","originalAuthorName":"蔡明兵"},{"authorName":"王超","id":"e82d38ed-3ce2-4c03-85c0-d8026850df75","originalAuthorName":"王超"},{"authorName":"刘晶红","id":"7ccf3cb6-3e13-47d5-9e99-f4780a07d582","originalAuthorName":"刘晶红"},{"authorName":"周前飞","id":"6b4d6382-84cf-44aa-9619-82d2ff03f10d","originalAuthorName":"周前飞"},{"authorName":"宋悦铭","id":"258a29db-7f5f-4d8f-8a23-f4f1a37bcbfa","originalAuthorName":"宋悦铭"}],"doi":"10.3788/YJYXS20163109.0902","fpage":"902","id":"bef836a4-0c5c-42e4-902e-1dcd28111507","issue":"9","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示   "},"keywords":[{"id":"4d96befc-456f-48e0-9d1c-5e2e56cb0812","keyword":"北斗接收天线","originalKeyword":"北斗接收天线"},{"id":"c476ef49-ba82-4fa7-9976-3953e8ce1f1a","keyword":"姿态精度","originalKeyword":"姿态精度"},{"id":"c3e8bcdc-ddfb-4ed9-a8a4-4d52f5c8c36e","keyword":"蒙特卡洛法","originalKeyword":"蒙特卡洛法"},{"id":"7969f5e4-43c7-4438-ad5a-fdacd2d11696","keyword":"目标定位误差","originalKeyword":"目标定位误差"}],"language":"zh","publisherId":"yjyxs201609009","title":"基于多台北斗接收机的测<span style=\"color:red\">姿</span>精度对目标定位精度影响分析","volume":"31","year":"2016"},{"abstractinfo":"","authors":[],"doi":"","fpage":"15994","id":"fb0c4a31-34af-4c4b-a011-a9f5ab71392d","issue":"16","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"4cb87af0-a615-404f-80f3-5f05e3a08879","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"gncl201516001","title":"<span style=\"color:red\">赵</span>连城院士简介","volume":"","year":"2015"},{"abstractinfo":"","authors":[],"doi":"","fpage":"594","id":"a8f95271-0568-4acd-865c-8218cdeb0825","issue":"9","journal":{"abbrevTitle":"ZGCLJZ","coverImgSrc":"journal/img/cover/中国材料进展.jpg","id":"80","issnPpub":"1674-3962","publisherId":"ZGCLJZ","title":"中国材料进展"},"keywords":[{"id":"64725150-046a-4256-8cf4-c812b9b26e4d","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"zgcljz201409011","title":"专栏特约编辑<span style=\"color:red\">赵</span>永庆","volume":"","year":"2014"},{"abstractinfo":"以1,4-双(4-氨基-2-三氟甲基苯氧基)苯(6FAPB)为含氟二胺单体,均苯四甲酸二酐(PMDA)和1,2,3,4-环丁烷四酸二酐(CBDA)为二酐单体,经低温溶液缩聚反应得到聚酰胺酸,再经热酰亚胺化处理制备出含氟共聚聚酰亚胺(CPI)薄膜.采用红外(IR)、紫外(UV-Vis)、溶解性测试等对CPI进行结构与性能表征,考察两种二酐单体的不同物质的量之比对共聚聚酰亚胺光学性能和溶解性的影响.结果表明:随着脂环二酐CBDA摩尔配比的增加,CPI薄膜在410 nm处的光透过率逐渐增加,薄膜颜色逐渐变浅,溶解性有所改善.","authors":[{"authorName":"鲁云华","id":"09c92763-7a3d-4860-aac7-8c0672f668bd","originalAuthorName":"鲁云华"},{"authorName":"<span style=\"color:red\">赵</span>洪斌","id":"e79d0f1c-bcd6-4a61-b298-1e6a823e69ff","originalAuthorName":"赵洪斌"},{"authorName":"迟海军","id":"4d06d6df-470b-4836-9e14-6a9e68a798fb","originalAuthorName":"迟海军"},{"authorName":"董岩","id":"65896635-a332-4856-ad38-77ddf2d37753","originalAuthorName":"董岩"},{"authorName":"肖国勇","id":"6738b002-e0b1-4cb3-831f-bed85cb05445","originalAuthorName":"肖国勇"},{"authorName":"胡知之","id":"7c4d40f4-1977-435e-ab13-ebd318d5c61d","originalAuthorName":"胡知之"}],"doi":"","fpage":"1","id":"e73a30ed-13db-43ea-bea4-6581231b1334","issue":"1","journal":{"abbrevTitle":"JYCL","coverImgSrc":"journal/img/cover/JYCL.jpg","id":"50","issnPpub":"1009-9239","publisherId":"JYCL","title":"绝缘材料"},"keywords":[{"id":"6a5dd4f9-b106-4267-949f-792555f6ac67","keyword":"聚酰亚胺","originalKeyword":"聚酰亚胺"},{"id":"81daa9c0-a188-4bf7-becd-eb9025259934","keyword":"共缩聚","originalKeyword":"共缩聚"},{"id":"4fa37438-567f-4a66-bd23-7b745ed05d4e","keyword":"含氟","originalKeyword":"含氟"},{"id":"e0608fa6-5b7a-44b4-9f6c-533a67987ef0","keyword":"结构与性能","originalKeyword":"结构与性能"}],"language":"zh","publisherId":"jycltx201301001","title":"含氟共聚聚酰亚胺的合成与性能研究鲁云华,<span style=\"color:red\">赵</span>洪斌,迟海军,董岩,肖国勇,胡知之","volume":"","year":"2013"},{"abstractinfo":"根据平面变刚度纤维曲线铺放路径设计了圆柱芯模的变刚度铺放路径规划；应用Denauit-Hartenbery (D-H)矩阵法解出铺放机器人的末端位<span style=\"color:red\">姿</span>数学模型;运用Solidworks软件建立了铺放机器人的虚拟样机模型并仿真出了末端铺放轨迹;运用Matalb软件对其进行运动仿真分析,绘制并研究各关节的运动参数特性,证明了轨迹设计的合理性;利用Matalb软件将仿真结果与数学模型求解结果进行对比,验证了末端位<span style=\"color:red\">姿</span>数学模型的准确性与可靠性.","authors":[{"authorName":"戴维蓉","id":"02ec2446-41e5-4028-940e-0c4bd05f67fc","originalAuthorName":"戴维蓉"},{"authorName":"杨涛","id":"49a4fbf7-c6a5-4579-bc69-1c00c23a9855","originalAuthorName":"杨涛"},{"authorName":"王天琪","id":"9cf23e5f-2708-4072-aa9f-4f4d0d88baed","originalAuthorName":"王天琪"},{"authorName":"李亮玉","id":"448fd08d-ba2c-443f-ae03-349155a956d4","originalAuthorName":"李亮玉"}],"doi":"","fpage":"17","id":"f3b01d41-1d4e-4831-ae1d-c3bef43a4dc9","issue":"5","journal":{"abbrevTitle":"YHCLGY","coverImgSrc":"journal/img/cover/YHCLGY.jpg","id":"77","issnPpub":"1007-2330","publisherId":"YHCLGY","title":"宇航材料工艺   "},"keywords":[{"id":"75dff4f2-31a7-4257-b671-06e1d6be0b3c","keyword":"变刚度","originalKeyword":"变刚度"},{"id":"3d52e7c9-8c3d-4d68-bc80-d87dc220d0dd","keyword":"纤维曲线铺放","originalKeyword":"纤维曲线铺放"},{"id":"111668d1-c4d8-4d0c-af63-5791a0ab9f7d","keyword":"圆柱芯模","originalKeyword":"圆柱芯模"},{"id":"a00c048d-c5c2-4431-9bfe-3ddf2eba5c81","keyword":"铺放机器人","originalKeyword":"铺放机器人"},{"id":"60473b0e-749a-4fde-ba73-ef654b677129","keyword":"运动仿真","originalKeyword":"运动仿真"}],"language":"zh","publisherId":"yhclgy201305003","title":"基于变刚度纤维曲线铺放的机器人铺放路径规划及运动仿真","volume":"43","year":"2013"}],"totalpage":3,"totalrecord":24}