{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"楔横轧非对称轴类件时由于存在较大不平衡的轴向力,会产生轴向窜动并导致台阶缺损和表面重皮等质量缺陷.为了减小不平衡的轴向力,目前一般采取的方法是结合工艺参数对楔横轧力能参数的影响规律,利用数值模拟手段,通过多次预设计工艺参数并反复试算以获得能使左右两端轴向力相等或近似相等的最佳工艺参数.该试算方法计算量大、繁琐、不直观,且需逐个零件进行,通用性差.本文通过利用中心组合实验设计并结合响应面法获得轴向力的响应曲面图,利用轴向力等值线选取工艺参数以保证非对称轴类件楔横轧的轴向平衡,本方法简单、直观,极大地节省了工艺参数选择所需时间,缩短了非对称轴类件楔横轧的模具设计周期.","authors":[{"authorName":"陈乐平","id":"c85cdd6c-89e3-42c2-9b8a-a004496525e0","originalAuthorName":"陈乐平"},{"authorName":"彭文飞","id":"c331faa1-08ba-46bd-9958-ba9d9818e6af","originalAuthorName":"彭文飞"},{"authorName":"束学道","id":"3796e3b6-f726-4b13-9664-0df8b8bd71a1","originalAuthorName":"束学道"}],"doi":"","fpage":"129","id":"fff24842-c515-4030-bd6f-306802732320","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":"b7fa3c6b-0057-4a64-a2a1-b5231742836e","keyword":"楔横轧","originalKeyword":"楔横轧"},{"id":"49ff6334-c12d-44f7-910a-ad88380242c8","keyword":"非对称轴类件","originalKeyword":"非对称轴类件"},{"id":"b57f9659-8149-491d-9d6d-be2603dccf60","keyword":"轴向平衡","originalKeyword":"轴向平衡"},{"id":"c9ca3f61-30e3-48af-aec4-ea2f2949bda8","keyword":"响应曲面","originalKeyword":"响应曲面"}],"language":"zh","publisherId":"clkxygy201301023","title":"基于响应面法的楔横轧非对称轴类件轴向平衡研究","volume":"21","year":"2013"},{"abstractinfo":"为了改善两端不对称形状管件内高压成形后的壁厚均匀性,提高管件内高压成形极限,采用Dynaform有限元模拟软件并结合实验,研究了补料压力、轴向补料量对管件成形过程中起皱和破裂的影响.结果表明:当补料压力低于32 MPa时,失效形式为死皱；当补料压力高于42 MPa时,失效形式为破裂,适宜的补料压力区间为34 ～42 NPa；当左右补料量分别为42和22 mm,整形压力126 MPa时,可得到合格非对称瓶形管件,管件最大膨胀量为70.75％,壁厚最大减薄率为27.12％.通过控制管材在内压和轴向力的作用下发生合理的预成形,包括管材两端的合理补料量以及合理的起皱形状和数量,可在最终的内高压成形中实现更好的壁厚均匀性,提高成形极限.","authors":[{"authorName":"谢文才","id":"6ec2e53e-06f3-44d9-a303-56e7a02afb20","originalAuthorName":"谢文才"}],"doi":"","fpage":"110","id":"90717a25-050e-4d3a-a705-7fc1eb03500f","issue":"4","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":"6f4a3ea9-e352-4d10-b634-5123dde0afee","keyword":"内高压成形","originalKeyword":"内高压成形"},{"id":"bbcb76c5-fd33-4386-9144-a5fa49cf3f78","keyword":"预成形","originalKeyword":"预成形"},{"id":"d3f8ac60-3a72-4b37-a814-928ad370889b","keyword":"加载路径","originalKeyword":"加载路径"},{"id":"a5350d3b-fcae-4966-a4e3-1df7b1de8de3","keyword":"成形极限","originalKeyword":"成形极限"},{"id":"3f487593-73f2-4430-9250-aa3e8e3a853d","keyword":"起皱","originalKeyword":"起皱"}],"language":"zh","publisherId":"clkxygy201304020","title":"非对称管件内高压成形过程研究","volume":"21","year":"2013"},{"abstractinfo":"介绍了一种新型钢板剪切机，该机具有单轴非对称、负偏置结构。对非对称前后的钢板剪切力、连杆力、保持剪刃间隙恒定的后滑道推力进行了分析对比，并推导了非对称公式；对负偏置结构力学特性进行了分析，给出了负偏置范围的确定方法。理论分析结果和现场钢板剪切质量表明，非对称、负偏置结构对改善钢板剪切质量、提高圆弧剪刃寿命具有重要的意义。","authors":[{"authorName":"李玉贵","id":"85ed1259-69ce-4fc5-98fa-caeed5a4920e","originalAuthorName":"李玉贵"},{"authorName":"马立峰","id":"79e0c230-48ef-4ba7-a3dc-d76b543283eb","originalAuthorName":"马立峰"},{"authorName":"黄庆学","id":"213e1769-a867-4ea6-9a35-f42d3484fd8c","originalAuthorName":"黄庆学"}],"categoryName":"|","doi":"","fpage":"51","id":"0982277e-c2bc-43d5-9ccb-e1fffdbdf5b9","issue":"2","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"9e6eedfb-203a-4fa2-bdee-f820b830b78a","keyword":"滚切剪;非对称;负偏置;剪切质量","originalKeyword":"滚切剪;非对称;负偏置;剪切质量"}],"language":"zh","publisherId":"0449-749X_2008_2_13","title":"单轴双偏心非对称负偏置滚切剪研究","volume":"43","year":"2008"},{"abstractinfo":"介绍了一种新型钢板剪切机,该机具有单轴非对称、负偏置结构.对非对称前后的钢板剪切力、连杆力、保持剪刃间隙恒定的后滑道推力进行了分析对比,并推导了非对称公式;对负偏置结构力学特性进行了分析,给出了负偏置范围的确定方法.理论分析结果和现场钢板剪切质量表明,非对称、负偏置结构对改善钢板剪切质量、提高圆弧剪刃寿命具有重要的意义.","authors":[{"authorName":"李玉贵","id":"90076fe3-257a-4280-8c48-417f0a2b44fe","originalAuthorName":"李玉贵"},{"authorName":"马立峰","id":"f5cfe827-ffe5-4b67-af2e-a3d3c49ea91e","originalAuthorName":"马立峰"},{"authorName":"黄庆学","id":"99064386-7a93-4b61-82bc-a3cc572e78a8","originalAuthorName":"黄庆学"}],"doi":"","fpage":"51","id":"2a604c5f-3174-4951-9b36-d0f9ddaef059","issue":"2","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"9ac88134-d9d4-4c58-bdb4-33dca4777a91","keyword":"滚切剪","originalKeyword":"滚切剪"},{"id":"e57dad1c-b182-4a0c-87a4-0bcd90ecae79","keyword":"非对称","originalKeyword":"非对称"},{"id":"4e90aa13-ad56-41ae-abea-c7c2c60e3d8d","keyword":"负偏置","originalKeyword":"负偏置"},{"id":"1702df04-edb0-43de-a034-3f8a7f7f02d6","keyword":"剪切质量","originalKeyword":"剪切质量"}],"language":"zh","publisherId":"gt200802010","title":"单轴双偏心非对称负偏置滚切剪研究","volume":"43","year":"2008"},{"abstractinfo":"大型厚壁空心长轴类零件是工业装备中的关键零部件,本研究采用多楔楔横轧成形该类零件.首先,推导多楔楔横轧长轴空心件的侧楔偏转角公式,为多楔楔横轧模具的设计奠定了基础.然后,研究展宽角对单楔楔横轧厚壁空心件的影响规律,发现相对于轧制小直径空心轴,展宽角的选择范围可以扩大,内孔椭圆度也能得到控制.同时发现模具的顶面脱空也能控制内孔椭圆度.最后,建立双楔楔横轧轧制大型厚壁空心长轴类零件的有限元模型,模拟了成形过程,监测对称面的内孔椭圆度,有限元计算的内孔椭圆度为4.98％,轧制实验值为5.56％.结果表明:双楔楔横轧大型厚壁空心长轴类零件是可行的.","authors":[{"authorName":"彭文飞","id":"61666c29-5945-40f0-9a9f-1dac78035969","originalAuthorName":"彭文飞"},{"authorName":"郑书华","id":"746fcee9-976c-48b0-a86b-b08ae91b087a","originalAuthorName":"郑书华"},{"authorName":"邱亦睿","id":"4ba17aea-7d4c-4006-8af8-8aa5ea622ba2","originalAuthorName":"邱亦睿"},{"authorName":"束学道","id":"dc9d36a7-1121-41f5-97ac-19c612e642e2","originalAuthorName":"束学道"},{"authorName":"湛利华","id":"579f246b-32fb-4013-b955-2c069cc2e61c","originalAuthorName":"湛利华"}],"doi":"","fpage":"836","id":"2099b859-a00c-4429-a984-57b82d7d6df2","issue":"4","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":"a699a759-258f-42d0-a3c4-62540cb479aa","keyword":"多楔楔横轧","originalKeyword":"多楔楔横轧"},{"id":"478bd79b-69b9-44a4-bf6c-4f67f4a8ba05","keyword":"大型厚壁空心长轴","originalKeyword":"大型厚壁空心长轴"},{"id":"2ea4ff5f-4eaf-4e7a-968f-284781755959","keyword":"椭圆度","originalKeyword":"椭圆度"}],"language":"zh","publisherId":"xyjsclygc201604003","title":"多楔楔横轧42CrMo4大型空心长轴类零件分析","volume":"45","year":"2016"},{"abstractinfo":"为了得到不同激光熔覆面积下轴弯曲量的变化情况,得到轴类零件激光熔覆弯曲过程的数学模型,得出熔覆面积与轴弯曲程度之间的经验公式,设计了激光熔覆校轴实验.实验在相同熔覆长度和深度下,改变熔覆中心角,即熔覆面积,进行激光熔覆.实验结果表明,在激光熔覆校轴中,轴发生了朝向激光束的弯曲；熔覆层所对中心角小于90(°)时,轴弯曲量与熔覆面积成正比关系,使轴弯曲量达到最大的熔覆层所对中心角为90(°)；同时得到了激光熔覆校轴的数学模型和衡量轴弯曲量的参数,得出轴弯曲量与熔覆面积的经验公式,得出不同位置处轴跳动值的经验公式.通过经验公式计算得出的轴跳动值与实测的轴跳动值拟合良好,最大的误差为0.032 mm,总平均误差为0.001 mm,由此说明抽象出的弯曲数学模型正确,经验公式精度较高.","authors":[{"authorName":"郑晖","id":"9decf882-68f9-4b65-84ab-0b374f8995f3","originalAuthorName":"郑晖"},{"authorName":"韩志仁","id":"c4b0e44c-c054-4382-8388-705ebfe894c6","originalAuthorName":"韩志仁"},{"authorName":"陈江","id":"4d14826f-7a0e-4a32-a8fc-cd4fa0738f32","originalAuthorName":"陈江"},{"authorName":"王国栋","id":"82e068af-3932-43a1-b1e3-ddf53668e776","originalAuthorName":"王国栋"}],"doi":"10.3969/j.issn.1671-6620.2011.03.013","fpage":"212","id":"03085c51-c029-424c-96b4-d8a777cab266","issue":"3","journal":{"abbrevTitle":"CLYYJXB","coverImgSrc":"journal/img/cover/CLYYJXB.jpg","id":"17","issnPpub":"1671-6620","publisherId":"CLYYJXB","title":"材料与冶金学报"},"keywords":[{"id":"b71a15f8-66f6-4982-ba6a-aac3f6f15ef4","keyword":"激光技术","originalKeyword":"激光技术"},{"id":"804489fe-9a08-472f-aabc-65b942589001","keyword":"校轴","originalKeyword":"校轴"},{"id":"6b06418e-f92b-42a2-9710-5c7ad1b5b825","keyword":"激光熔覆","originalKeyword":"激光熔覆"},{"id":"ac47f08d-2092-44fa-a821-7ec39b77f2e9","keyword":"数学模型","originalKeyword":"数学模型"},{"id":"61b63789-3194-4529-abdd-60d3de9c8bb6","keyword":"经验公式","originalKeyword":"经验公式"}],"language":"zh","publisherId":"clyyjxb201103013","title":"碳钢轴类零件激光熔覆弯曲的定量实验研究","volume":"10","year":"2011"},{"abstractinfo":"轴类零件表面经常有划伤、凹坑、沟槽等由于疲劳磨损而产生的问题,必须对其进行修复.而过去常用的单一的电刷镀技术,有时已不能满足其需要.为此,介绍了一种将高效快速感应熔涂技术与电刷镀技术相结合修复轴类零件的新工艺.研究和试验证明,该工艺具有高效快速、操作简单、可行性强等优点,值得深入研究和推广.","authors":[{"authorName":"李晓博","id":"b48f6504-1965-4d51-8110-259eca57fddf","originalAuthorName":"李晓博"},{"authorName":"周靖欣","id":"c764035d-5dba-426f-b969-9c3aeae71edd","originalAuthorName":"周靖欣"},{"authorName":"焦体峰","id":"80b46498-4f21-46af-8e08-31dc57991a6a","originalAuthorName":"焦体峰"}],"doi":"","fpage":"52","id":"d31b480a-d947-4f8b-ab7f-9f740ac55f36","issue":"9","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"236ab765-06eb-494a-aabc-f92f6c2ac777","keyword":"轴类零件","originalKeyword":"轴类零件"},{"id":"e8198da9-09fb-4045-a12c-e3e9863e438d","keyword":"修复","originalKeyword":"修复"},{"id":"95a2d4b1-01f6-4272-aa8f-22d495d1c8ba","keyword":"电刷镀","originalKeyword":"电刷镀"},{"id":"f69bb25f-3550-4224-bf8a-a113f9e2950a","keyword":"感应熔涂","originalKeyword":"感应熔涂"},{"id":"9659c489-292e-4d5c-bb40-1e2102477dbc","keyword":"耐磨性","originalKeyword":"耐磨性"}],"language":"zh","publisherId":"clbh200909017","title":"感应熔涂技术与电刷镀结合修复轴类零件","volume":"42","year":"2009"},{"abstractinfo":"用群论方法导出具有轴转动群SO(2)对称性的三阶非线性弹性系数张量的一般形式.指出具有十次对称轴的准晶的声子型三阶非线性弹性系数张量具有围绕十次对称轴的任意旋转对称性.","authors":[{"authorName":"龙从国","id":"94daad04-cb45-4854-83de-cdc55cae7452","originalAuthorName":"龙从国"},{"authorName":"江少林","id":"c294ceac-876f-4541-98f6-6c93f2885c08","originalAuthorName":"江少林"}],"doi":"10.3969/j.issn.1000-985X.2006.02.021","fpage":"299","id":"a01cd561-9c7b-4f48-8d5e-c05db8898c2a","issue":"2","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":"3ac02f9b-8857-4ced-bd8d-bc68f1c0acb7","keyword":"准晶","originalKeyword":"准晶"},{"id":"eb1ced96-a689-4693-bb3f-4610cade844f","keyword":"三阶非线性弹性","originalKeyword":"三阶非线性弹性"},{"id":"c4b0985d-68ab-4093-af74-56e7ad4c3c0a","keyword":"轴转动对称性","originalKeyword":"轴转动对称性"}],"language":"zh","publisherId":"rgjtxb98200602021","title":"准晶三阶非线性弹性的轴转动对称性","volume":"35","year":"2006"},{"abstractinfo":"研究了非对称轧制和对称轧制过程中,AZ31镁合金板材微观组织的变化特征,并结合有限元模拟对其差异进行了分析.结果表明,非对称轧制可明显细化板材的晶粒,可获得平均晶粒度约为8.9μm均匀分布的等轴晶组织,且其(0002)基面晶粒取向明显减弱;而对称轧制板材晶粒分布不均匀且有大量的孪晶存在,平均晶粒度达13.2μm.这主要是因为,与对称轧制相比,非对称轧制沿板材厚向引入了强烈的剪切应变所致.","authors":[{"authorName":"张文玉","id":"9df9103f-3bc6-4fe0-af4a-e7ce783ffdb2","originalAuthorName":"张文玉"},{"authorName":"刘先兰","id":"6362f362-1c6c-4318-b0e3-196a0c868ce1","originalAuthorName":"刘先兰"},{"authorName":"陈振华","id":"9febc660-f2b6-4ba4-90cc-83bd19ea0119","originalAuthorName":"陈振华"},{"authorName":"夏伟军","id":"8d0b01e0-dfc8-47bf-99a8-98742f13b9e8","originalAuthorName":"夏伟军"}],"doi":"10.3969/j.issn.1001-4381.2008.06.007","fpage":"25","id":"a3de4b8d-b38a-4300-ba8b-6b0ae72dd6c4","issue":"6","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"0e9e231f-edbb-4a39-ad68-2af48ff11229","keyword":"非对称轧制","originalKeyword":"非对称轧制"},{"id":"31baeb0a-84e8-402d-bfe8-9ddc6e077b4c","keyword":"对称轧制","originalKeyword":"对称轧制"},{"id":"d90ce89a-bf0d-4f87-8c96-fb11eb2d0421","keyword":"AZ31镁合金板材","originalKeyword":"AZ31镁合金板材"},{"id":"9ca5b4e6-73e6-47af-b343-f691b970bde1","keyword":"微观组织","originalKeyword":"微观组织"},{"id":"b961c558-6f3f-4fc4-ac57-7c9a4a381459","keyword":"有限元","originalKeyword":"有限元"}],"language":"zh","publisherId":"clgc200806007","title":"非对称/对称轧制AZ31镁合金微观组织研究","volume":"","year":"2008"},{"abstractinfo":"运用Gleeble--3500热模拟实验机对轴类件用钢40Cr高温热变形的组织形态进行研究,\n并由金相分析数据回归得出高温奥氏体组织演变数学模型. 然后利用非线性有限\n元法建立了金属成形过程中热、应力、组织相互耦合的刚塑性有限元模型. 采用该\n模型对二辊楔横轧成形工艺进行仿真计算, 得出了轧后工件的温度场、变形场、\n高温奥氏体晶粒尺寸分布等. 对比轧后工件奥氏体组织分布的计算结果与实测值\n可知, 两者吻合良好.","authors":[{"authorName":"王敏婷","id":"8755a949-84be-421f-9b15-fe61e80903c7","originalAuthorName":"王敏婷"},{"authorName":"杜凤山","id":"5983d073-1f8d-437a-a0ea-b654d64d9649","originalAuthorName":"杜凤山"},{"authorName":"李学通","id":"0df1f48e-3d1a-4e0a-b87f-15bb4b3e614d","originalAuthorName":"李学通"},{"authorName":"郑炀曾","id":"c05df4b3-560e-46d3-9663-50920313b2bc","originalAuthorName":"郑炀曾"}],"categoryName":"|","doi":"","fpage":"118","id":"abc4e4cf-06ba-47e7-b1d2-e387f34b1702","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":"15413efd-6db3-45d4-a7a1-9b6b5d014818","keyword":"40Cr钢","originalKeyword":"40Cr钢"},{"id":"e03173be-59cc-44ad-8ef4-8d97c7150152","keyword":"null","originalKeyword":"null"},{"id":"c6967eda-f14f-4f23-8350-b4c1b952a25c","keyword":"null","originalKeyword":"null"},{"id":"09cc6dbb-85cd-40a0-a951-38efe3a2deb5","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_2005_2_14","title":"楔横轧轴类件热变形时奥氏体微观组织演变的预测","volume":"41","year":"2005"}],"totalpage":1493,"totalrecord":14930}