{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":1,"startPagecode":1},"records":[{"abstractinfo":"目的 研究不同供油条件下织构表面的润滑性能.方法 首先,建立考虑表面织构的乏油润滑模型,求解修正雷诺方程获得乏油工况下考虑织构表面的润滑油膜厚度以及压力分布.然后,依据求得的润滑油膜厚度判断计算域内各点润滑状态,通过接触压力及油膜厚度分别计算边界润滑、混合润滑以及流体润滑状态下的切应力,并积分求得摩擦力进而得到摩擦系数.结果模拟了供油层厚度为50~500 nm以及充分供油条件下三种织构的润滑行为,获得了不同润滑状态下表面织构的摩擦系数.速度为0.1 m/s时,供油量对接触区油膜厚度的影响较小,不同润滑状态下织构表现出不同的润滑性能.速度为0.2 m/s时,供油层厚度对油膜厚度的影响较大,随着供油层厚度的增大,膜厚明显增加,摩擦系数在供油层厚度为200 nm时最小.结论 接触副处于流体润滑状态时,织构表面不具有减摩效果.接触副处于边界润滑状态时,织构表面具有减摩效果,并且织构较密时,摩擦系数较小.接触副处于混合润滑状态时,织构过于稀疏或密集时均不具有减摩效果,但是合理分布的织构具有减摩效果.","authors":[{"authorName":"张生光","id":"66937132-38f7-4027-b67e-128dbd2e4a88","originalAuthorName":"张生光"},{"authorName":"王文中","id":"6a9333a9-33de-41ac-8596-220b6760f538","originalAuthorName":"王文中"},{"authorName":"<span style=\"color:red\">赵自强</span>","id":"b646e3ec-9849-4052-a40a-8d2941dd50c4","originalAuthorName":"赵自强"}],"doi":"10.16490/j.cnki.issn.1001-3660.2017.06.001","fpage":"1","id":"f01bc6ec-70d2-408c-8f62-70bddda873de","issue":"6","journal":{"abbrevTitle":"BMJS","coverImgSrc":"journal/img/cover/BMJS.jpg","id":"3","issnPpub":"1001-3660","publisherId":"BMJS","title":"表面技术   "},"keywords":[{"id":"9829fa34-581e-417b-a521-690840e1ba17","keyword":"表面织构","originalKeyword":"表面织构"},{"id":"a91f346d-85c8-496a-b5d4-0138e5565e83","keyword":"乏油","originalKeyword":"乏油"},{"id":"aae6fd55-0572-406a-89ae-66957aeed3de","keyword":"摩擦系数","originalKeyword":"摩擦系数"},{"id":"54cf1422-a76b-45f1-a134-bb063131d8f3","keyword":"边界润滑","originalKeyword":"边界润滑"},{"id":"0dd2e6bd-4bf9-4ca0-805d-154fd6ae15fd","keyword":"混合润滑","originalKeyword":"混合润滑"},{"id":"38ac2a11-6a6d-4911-ac66-f49a6fa028dd","keyword":"流体润滑","originalKeyword":"流体润滑"},{"id":"53fc19a1-e3b6-4022-b36b-d73d1e613dcf","keyword":"减摩","originalKeyword":"减摩"}],"language":"zh","publisherId":"bmjs201706001","title":"表面织构及供油量对润滑性能影响的建模分析","volume":"46","year":"2017"},{"abstractinfo":"","authors":[{"authorName":"侯新梅","id":"c17b94ec-7a2e-4989-b279-114727a52a8f","originalAuthorName":"侯新梅"}],"doi":"10.3969/j.issn.1000-6826.2014.01.03","fpage":"6","id":"2d2e9578-a8c2-47a3-bcd9-3523a49e9c1f","issue":"1","journal":{"abbrevTitle":"JSSJ","coverImgSrc":"journal/img/cover/3abe017a-2574-4821-8152-4ae974ef0471.jpg","id":"47","issnPpub":"1000-6826","publisherId":"JSSJ","title":"金属世界"},"keywords":[{"id":"1dde5645-d076-458d-ba25-3f0b41512a65","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"jssj201401003","title":"科研成就梦想:<span style=\"color:red\">自强</span>不息,拼搏向上——记北京科技大学侯新梅副教授","volume":"","year":"2014"},{"abstractinfo":"基于单胞解析模型,建立一种从复合材料细观组分到宏观单向板的强度预报方法.根据连续介质力学和均匀化方法构建细一宏观关联矩阵,通过该关联矩阵将细观组分材料的弹性和损伤性能传递到宏观单向板中.考虑复合材料细观损伤状态,当纤维和基体满足各<span style=\"color:red\">自强</span>度准则时失效,并通过失效因子折算成刚度的衰减.在此基础上,结合有限元分析,实现复合材料单向板纵横向拉伸模拟,从而预报单向板的拉伸强度.结果表明:该方法预报的模量和强度与实验值基本一致,验证了该方法的有效性与高效性.","authors":[{"authorName":"赵琳","id":"e9cb8c0a-bb35-4ade-a84e-d0667848957c","originalAuthorName":"赵琳"},{"authorName":"张博明","id":"e0ef4007-828d-44bd-9260-6575d9f5cbb6","originalAuthorName":"张博明"}],"doi":"","fpage":"86","id":"854ea569-1100-4fae-a46b-766520eee3d4","issue":"5","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"383253fc-0409-432a-bd6a-b1a340f770df","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"d2152cbd-34e0-46bc-8430-ccc4c278f357","keyword":"强度预报","originalKeyword":"强度预报"},{"id":"225c2f85-34ad-4463-8007-b189c527b321","keyword":"有限元法","originalKeyword":"有限元法"},{"id":"897dd47e-fc35-4ca1-960f-8bb5119393de","keyword":"单胞解析模型","originalKeyword":"单胞解析模型"},{"id":"887fd47b-346d-4bea-9f82-a66230c12c5f","keyword":"失效准则","originalKeyword":"失效准则"}],"language":"zh","publisherId":"fhclxb201005015","title":"基于单胞解析模型的单向复合材料强度预报方法","volume":"27","year":"2010"}],"totalpage":1,"totalrecord":3}