{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"为了进一步提高中厚板产品矫直质量,采用弹塑性差分的曲率积分方法,分析了弯辊对矫直效果的影响,研究了弯辊量与压下量的关系,为建立中厚板辊式矫直过程的弯辊设定模型奠定了基础。计算结果表明,为了使板材矫直后的残余曲率残余应力最小化,施加弯辊时要考虑入口压下量的影响。单从降低残余曲率的角度考虑,小压下量和大压下量下都可以施加负弯辊,但正弯辊只适用于小压下量。从控制宽度方向残余应力的角度考虑,正弯辊施加于小入口压下量时弯辊作用明显,为了消除正弯辊对厚度方向残余应力的不利作用,采用正弯辊时入口压下量不宜过大。施加弯辊会增加矫直力,因此设定弯辊量时要考虑矫直机能力的限制。研究发现了弯辊对塑性变形率的影响规律:负弯辊出现了使塑性变形率随着人口压下量的增加而减少的阶段,正弯辊可消除塑性变形率为零的阶段。","authors":[{"authorName":"崔丽","id":"500ab7f3-5c47-4d1d-bd38-afe07070360a","originalAuthorName":"崔丽"},{"authorName":"胡贤磊","id":"7a7351ad-e76d-43d5-8312-46481c85cd08","originalAuthorName":"胡贤磊"},{"authorName":"刘相华","id":"4f522dea-9649-45bc-8c31-84b48835850c","originalAuthorName":"刘相华"}],"doi":"","fpage":"6","id":"d5db82f1-6e1e-420d-8e9a-77be97b1c04b","issue":"2","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"9f8a1a1c-c94b-4182-a9ce-955d8efb09a0","keyword":"辊式矫直","originalKeyword":"辊式矫直"},{"id":"ab277af9-4482-4d45-abbe-62735a1e28c9","keyword":"弯辊","originalKeyword":"弯辊"},{"id":"b3470970-1a99-436b-b919-26d7201ad980","keyword":"塑性变形率","originalKeyword":"塑性变形率"},{"id":"fdd64e5f-7d3b-4f9f-817a-934ba5abcc16","keyword":"残余曲率","originalKeyword":"残余曲率"},{"id":"8de7139b-1eb8-40c8-a3d9-9d9f1b035945","keyword":"残余应力","originalKeyword":"残余应力"}],"language":"zh","publisherId":"gtyjxb201202002","title":"中厚板辊式矫直过程弯辊作用分析","volume":"24","year":"2012"},{"abstractinfo":"随着厚规格、高强度品种钢的大量开发,头部翘曲成为板材生产过程的一种常见缺陷,同时部分矫直机矫直能力不足,使头部翘曲板材矫直过程困难。以开发厚规格、高强度品种钢过程中频繁出现的头部翘曲呈蛇形板材矫不平问题为依托,采用弹塑性差分的曲率积分方法,研究头部翘曲对传统矫直过程残余曲率和矫直力的影响,提出利用静压矫直方法解决头部翘曲板材矫不平问题。通过理论分析和现场实践证明:静压矫直可以有效解决头部翘曲板材矫不平问题,改善板形,减小切损量。","authors":[{"authorName":"崔丽","id":"2c15c2f8-682d-4763-833c-21dc64e5cab9","originalAuthorName":"崔丽"},{"authorName":"郭强","id":"46605ece-1338-41d9-8303-88fc52f3b40d","originalAuthorName":"郭强"},{"authorName":"胡贤磊","id":"7bb43f06-a11b-4b65-80de-8013801d01ef","originalAuthorName":"胡贤磊"},{"authorName":"刘相华","id":"65a4fdf4-fb80-46c2-ad8e-2a974928e701","originalAuthorName":"刘相华"}],"doi":"","fpage":"17","id":"1489a2d3-fbc9-487d-a161-8ae582ce8023","issue":"9","journal":{"abbrevTitle":"ZGYJ","coverImgSrc":"journal/img/cover/ZGYJ.jpg","id":"87","issnPpub":"1006-9356","publisherId":"ZGYJ","title":"中国冶金"},"keywords":[{"id":"d159b577-43c0-4427-826d-80479700e2a3","keyword":"头部翘曲","originalKeyword":"头部翘曲"},{"id":"77bda2da-9e5f-4569-ae6c-866d14c60f9e","keyword":"矫直能力","originalKeyword":"矫直能力"},{"id":"bce99dbd-9132-4381-b69f-7da32ff7eb36","keyword":"静压矫直","originalKeyword":"静压矫直"},{"id":"44c2dfb3-7d23-4518-9a53-6966a4346c2e","keyword":"残余曲率","originalKeyword":"残余曲率"},{"id":"03d2b82e-679d-4042-9764-b88269cf7a75","keyword":"矫直力","originalKeyword":"矫直力"}],"language":"zh","publisherId":"zgyj201109005","title":"头部翘曲板材矫直策略分析","volume":"21","year":"2011"},{"abstractinfo":"针对某钢厂新引进的棒材二辊矫直机的辊子需要国外进口,成本昂贵的问题,在对矫直过程中残余曲率的变化规律及辊形计算方法研究的基础上,结合有限元计算,通过分析塑性变形以及矫直后的棒材平直度,对弯曲曲率进行修正,得出相应辊形并进行有限元模拟,直到矫直后的棒材平直度达到要求,进而得出合理的凹辊辊形.该辊形与实测的辊形进行对比,基本一致.","authors":[{"authorName":"王云","id":"97842ba0-2132-4e42-be03-8a0aceafe4e2","originalAuthorName":"王云"},{"authorName":"刘才","id":"f9ca8b50-1661-4f21-a868-a0c01ab9321d","originalAuthorName":"刘才"},{"authorName":"马立东","id":"2798f1b8-d716-4b49-9b46-f62af6274523","originalAuthorName":"马立东"},{"authorName":"王玉峰","id":"0ce2b90d-f57a-4860-b491-d823e0978ac4","originalAuthorName":"王玉峰"},{"authorName":"黄庆学","id":"f91d31e8-c2e9-48d2-82e3-ab9e3e2c5e2d","originalAuthorName":"黄庆学"}],"doi":"","fpage":"45","id":"ecf04b27-b0ad-4ca7-9d46-6906dc06991c","issue":"4","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"0f3b1141-67e7-4052-8859-f7a709f39f1c","keyword":"二辊矫直","originalKeyword":"二辊矫直"},{"id":"e88dc1f3-51df-47fe-9ac6-6a8aed255b74","keyword":"残余曲率","originalKeyword":"残余曲率"},{"id":"a1fa5323-82fa-4d61-a7f8-f58554c0dc26","keyword":"修正系数","originalKeyword":"修正系数"},{"id":"54daf6ec-2106-480e-bcf4-1b35d0587420","keyword":"辊形","originalKeyword":"辊形"},{"id":"0518699e-24e8-4b26-9aa8-9c71d072a987","keyword":"有限元法","originalKeyword":"有限元法"}],"language":"zh","publisherId":"gt201304008","title":"二辊矫直机凹辊辊形设计","volume":"48","year":"2013"},{"abstractinfo":"宽厚板七辊预矫机是提高板带平直度、均匀或减小残余应力分布的重要环节,其矫直水平直接决定了产品质量.以宽厚板实际变形情况为背景,通过研究材料变形与各道次下的弯曲曲率及弯曲挠度之间的关系,对负扭矩的产生原因进行了分析;与此同时采用应变电桥法对七辊预矫过程中传动轴扭矩测试信号进行了分析,并通过有限元模拟进行对比分析.研究结果表明:负扭矩的产生是由于集中驱动所提供的同一转速与压弯量不同形成的不均一速度,二者无法适应引起的;负扭矩导致各个辊负载扭矩重新分配,最终对矫直辊面造成损伤;并在此基础上优化矫直工艺参数,将第二台电机的转速提高30%后,6号辊负扭矩现象得到缓解,3号和5号辊扭矩剧增现象得以消除,矫后板平直度得到改善,矫后残余应力分布更加均匀.","authors":[{"authorName":"严冉冉","id":"781f1b82-9f4d-4a6c-a8c1-b8872c7e5c0a","originalAuthorName":"严冉冉"},{"authorName":"沈千成","id":"32e5d071-d400-4ee2-ac63-1353176e77fd","originalAuthorName":"沈千成"},{"authorName":"黄贞益","id":"730adcb3-283d-4f98-91be-f5eb8b8acab0","originalAuthorName":"黄贞益"}],"doi":"10.13228/j.boy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","originalKeyword":"中厚板 "},{"id":"28dd646b-b084-43ed-982b-0b525b1f06d2","keyword":" curvature integration ","originalKeyword":" curvature integration "},{"id":"6fcff9fa-d946-4f1b-9f1c-3df2512838fe","keyword":" trajectory ","originalKeyword":" trajectory "},{"id":"905eb834-d055-4665-ba14-a405c9d2c81e","keyword":" contact angle ","originalKeyword":" contact angle "},{"id":"29a1be35-ba52-4e8a-81ae-a7f7761f1734","keyword":" residual stress","originalKeyword":" residual stress"}],"language":"zh","publisherId":"0449-749X_2012_1_8","title":"中厚板热矫直过程中曲率的解析","volume":"47","year":"2012"},{"abstractinfo":"建立了中厚板热矫直过程中曲率解析的数学模型,采用数值算法快速、稳定地解析了该模型。研究结果表明:前几辊与轧件之间的接触角受原始曲率影响较大,随着轧件的前进,这种差别逐渐减小最后趋于一致,而矫直轨迹受原始曲率的影响较小;具有不同原始曲率的轧件在相同辊系压下量作用下的残余曲率都趋近于0;矫直过程中厚度方向的反弯和残余应力分布呈现折线状,矫后的残余应力可以被控制在一个较小的范围内。","authors":[{"authorName":"王勇勤","id":"da91e6aa-5bee-450c-b4c1-53b8dd8239be","originalAuthorName":"王勇勤"},{"authorName":"刘志芳","id":"0fa50a18-a7a9-42fc-8ae2-7efc0a6d9ad4","originalAuthorName":"刘志芳"},{"authorName":"严兴春","id":"6d22201a-281e-41bf-bd96-6ec928c269bf","originalAuthorName":"严兴春"}],"doi":"","fpage":"51","id":"74c81cce-453d-44ef-bf78-043fb3603dd5","issue":"1","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"2d3fb4ef-682b-4e8f-a6e7-298c657bf820","keyword":"中厚板","originalKeyword":"中厚板"},{"id":"30955f45-16e4-4ff9-b829-77f351f0a461","keyword":"曲率积分","originalKeyword":"曲率积分"},{"id":"1466a6f7-ffba-4402-b8ca-4438641f23e4","keyword":"轨迹","originalKeyword":"轨迹"},{"id":"14cf1a9f-871e-4ec4-be0a-f03651c7b85f","keyword":"接触角","originalKeyword":"接触角"},{"id":"bd784116-ee78-46cc-880d-0c04f9500daf","keyword":"残余应力","originalKeyword":"残余应力"}],"language":"zh","publisherId":"gt201201011","title":"中厚板热矫直过程中曲率的解析","volume":"47","year":"2012"},{"abstractinfo":"研究了在辊式矫直过程中接触倾角与曲率的变化规律,采用曲率积分的方法主要研究了接触倾角、特殊位置与曲率相互耦合关系.结果表明:接触倾角具有累积效应,辊距越大累积效应越突出,减小倾角的措施可以采用增大曲率差商的积分值和减小压下量.大的接触倾角导致大的曲率,曲率的累积效应对残余曲率有负影响,累积效应越大,需采用倾斜量越大.交叉点与接触点对曲率影响很大,交叉点位置比较固定,呈递增趋势,接触点位置和接触倾角成正比.","authors":[{"authorName":"薛军安","id":"59aab240-eab3-4aed-95cc-4ed391887f7f","originalAuthorName":"薛军安"},{"authorName":"崔丽","id":"f3b01526-643c-4051-86c4-a37ee84dcb85","originalAuthorName":"崔丽"},{"authorName":"胡贤磊","id":"528aeab9-4b5c-45ea-9cbb-5395ac64c937","originalAuthorName":"胡贤磊"},{"authorName":"刘相华","id":"8a2bf9b4-7db7-4660-9658-f6e63aedccb1","originalAuthorName":"刘相华"}],"doi":"","fpage":"23","id":"c50544e0-1ff8-4285-b270-eaf3e1f5bd0c","issue":"2","journal":{"abbrevTitle":"ZGYJ","coverImgSrc":"journal/img/cover/ZGYJ.jpg","id":"87","issnPpub":"1006-9356","publisherId":"ZGYJ","title":"中国冶金"},"keywords":[{"id":"41e9da9d-5b17-4ed3-b057-808b88925a0e","keyword":"辊式矫直","originalKeyword":"辊式矫直"},{"id":"0fd9b279-6754-4bcb-ad83-363169634129","keyword":"倾角","originalKeyword":"倾角"},{"id":"61ce7a8d-b0e0-4d9d-bf28-0386dc3259f3","keyword":"曲率","originalKeyword":"曲率"},{"id":"bd65614d-4ec3-451e-a2f6-37230a4773bf","keyword":"接触解析","originalKeyword":"接触解析"},{"id":"9a39814d-dd4e-49f1-bd3e-45463d84be50","keyword":"弹塑性弯曲","originalKeyword":"弹塑性弯曲"}],"language":"zh","publisherId":"zgyj200902006","title":"辊式矫直过程的接触倾角与曲率耦合分析","volume":"19","year":"2009"},{"abstractinfo":"采用基片曲率法设计和制作了一种测量薄膜应力的装置,它具有简单、无损伤、快速、易于操作、精度高的优点.使用该装置测量了射频磁控溅射镀制的Cu单层膜和Ag/Cu多层膜的应力,结果表明薄膜残余应力是均匀的,但随沉积条件不同而不同.Cu单层膜和Ag/Cu多层膜处于压应力状态,外加-200 V偏压时,Ag/Cu多层膜则转变为很小的拉应力状态.XRD表明Ag/Cu多层膜已结晶,呈现Ag(111)/Cu(111)择优取向.","authors":[{"authorName":"安兵","id":"11d1142c-a0ba-4779-b861-e25391319a1e","originalAuthorName":"安兵"},{"authorName":"张同俊","id":"4a84d739-e073-4cce-9f3f-860b401ad225","originalAuthorName":"张同俊"},{"authorName":"袁超","id":"98f8e67c-7575-4fe2-b5e3-2550f2626c7a","originalAuthorName":"袁超"},{"authorName":"崔昆","id":"fb46ca89-0de6-4fae-b2be-94da523cfb8f","originalAuthorName":"崔昆"}],"doi":"10.3969/j.issn.1001-1560.2003.07.006","fpage":"13","id":"bf27aafd-6f38-4837-b7ee-4541cf543016","issue":"7","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"1caf1e01-8e8e-44a5-89e3-0fdeaee41c2c","keyword":"基片曲率法","originalKeyword":"基片曲率法"},{"id":"8a444d71-713f-4b45-9e37-e9a9f3e2bb0f","keyword":"薄膜","originalKeyword":"薄膜"},{"id":"09e041d4-1f18-4a6d-a72d-a742deff03c5","keyword":"残余应力","originalKeyword":"残余应力"}],"language":"zh","publisherId":"clbh200307006","title":"用基片曲率法测量薄膜应力","volume":"36","year":"2003"}],"totalpage":306,"totalrecord":3058}