发明人:赵杰亮,张天宇,牛群,邢晋,王文中
申请日期:2022.09.05
摘要:本发明公开了一种仿生越障的双足跳跃机械装置,包括下肢跳跃机构,上肢抓取机构,主体结构和惯性摆机构以及传动机构。其中,上肢抓取机构和下肢跳跃机构共同连接在机器人主体结构上。所述下肢跳跃机构为对称结构,通过曲柄连杆与传动机构连接,可完成腿部机构的伸展和压缩运动。所述上肢抓取机构,与下肢跳跃机构类似,上肢 ...
作者:Liu, Yanfei;Yu, Shengtao;Wang, Wenzhong (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China)
出处:Carbon 2022
摘要:Two-dimensional (2D) materials with a layered structure can realize extremely low coefficient of friction (COF) at the nanoscale or microscale. Howeve ...
作者:Haibo Zhang;Xiaohu Wu;Wenzhong Wang (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China)
出处:International Journal of Mechanical Sciences 2023
摘要:The electrically conductive coating is an effective means to reduce electrical contact resistance (ECR) of sliding electrical contact, however, the we ...
作者:Wenbin Chen;|Wenzhong Wang;|Pengzhe Zhu & Xiangyu Ge (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处:Friction 2023
关键词:porous polyimide (PI) material;oil-impregnated material;lubrication property;pore size
摘要:An oil-impregnated porous polyimide (PI) retainer is used in space rolling bearings to improve the lubrication performance, which depends on the relea ...
作者:Yijin Sui;Wenzhong Wang;Haibo Zhang;He Liang (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, PR China)
出处:International Journal of Solids and Structures 2023
关键词:Frictional contact;magneto-electro-elastic materials;semi-analytical method;graded film-substrate system;electromagnetic fields
摘要:The 3D frictional contact model of graded magneto-electro-elastic (MEE) film-substrate system under electromagnetic fields is presented. The semi-anal ...
作者:Wenbin Chen1;Wenzhong Wang1;He Liang1;Pengzhe Zhu1; (1 School of Mechanical Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China.)
出处:Langmuir : the ACS journal of surfaces and colloids 2022
关键词:COARSE-GRAINED MODEL;TRIBOLOGICAL PROPERTIES
摘要:Oil-impregnated porous polyimide (PI) materials can provide continuous lubricant supply, which is widely used to manufacture space rolling bearing ret ...
作者:Fitsum B. Tewelde;Tianfeng Zhou;Jia Zhou;Weijia Guo;Bin Zhao;Xiangyu Ge;Wenzhong Wang;Xiaoli Wang;Xibin Wang (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;2Beijing Institute of Technology Chongqing Innovation Center, Building 9, No.9 Shuguang Road, Yubei District, Chongqing 401120, China)
出处:Tribology International 2023
关键词:LASER;MICRO;STEEL;WEAR;EFFICIENCY
摘要:This study investigated the effects of asymmetric surface texturing on directional friction under dry condition. Asymmetric micro-grooves were radiall ...
作者:Liu, Yanfei;Yu, Shengtao;Shi, Qiuyu;Ge, Xiangyu;Wang, Wenzhong (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;2State Grid Smart Grid Research Institute Co., Ltd., Beijing, 102202, China)
出处:Nanomaterials 2022
关键词:diamond-like carbon;friction;multilayer coating;transition-metal nitride;tribology;wear
摘要:Friction and wear usually lead to huge energy loss and failure of machine pairs, which usually causes great economic losses. Researchers have made gre ...
作者:葛翔宇1;,柴志远1;,石秋雨2;,刘燕斐1;,王文中1; (1北京理工大学机械与车辆学院;2全球能源互联网研究院有限公司)
出处:摩擦学学报 2023
关键词:超滑;减摩;氧化石墨烯;离子液体;固-液复合溶液
摘要:利用氧化石墨烯(GO)纳米片作为离子液体水溶液[IL(aq)]添加剂制得IL(aq)+GO复合溶液.利用该溶液润滑轴承钢摩擦副时获得了超低的摩擦系数(μ≈0.009),达到超滑水平.分析结果表明,IL在轴承钢表面形成的化学反应膜(含磷化物和氟化物等)和流体膜具有较好的减摩性,但摩擦系数无法达到超滑水 ...