周天丰
作者: 张振宇1;,李琳2;,巨阳3;,陈云飞4;,许剑锋5;,闫永达6;,徐飞飞7;,周天丰8;,段辉高9;,黄志权10,11;,徐凯臣3;,朱吴乐3;,彭小强12;,邓辉13;,司伟4;,王吉2;,王金石14;,吕鹏14;,冯俊元15; (1大连理工大学高性能精密制造全国重点实验室;2中国科学院宁波材料技术与工程研究所激光极端制造研究中心;3浙江大学机械工程学院;4东南大学机械工程学院;5华中科技大学数字制造装备与技术国家重点实验室;6哈尔滨工业大学精密工程研究所;7中国工程物理研究院机械制造工艺研究所;8北京理工大学机械与车辆学院;9湖南大学机械与运载工程学院;10国家自然科学基金委员会工程与材料科学部;11太原科技大学机械工程学院;12国防科技大学智能科学学院;13南方科技大学机械工学院;14天津大学精密仪器与光电子工程学院;15杭州电子科技大学机械工程学院)
出处: 中国科学基金 2024 第38卷 第1期 P146-158
关键词: 原子精度制造;原子级切削;原子有序排布;表面能弱化加工;超光学衍射极限加工
摘要: 目前航空航天、核物理、微电子、光电子和半导体等国家战略领域高性能装备的性能需求日渐严苛,核心零部件的制造精度必须迈进原子级水平,亟需研究原子精度的高性能制造新原理和新方法。本文归纳并提出了目前迫切需求的原子级表面精度、原子级结构精度、原子级损伤控制以及原子级特征尺寸结构创成四大原子精度制造核心能力, ...
作者: Pang,Haoran1;Xie,Jiaqing1;Meng,Xiaoyu1;Sun,Ruqian1;Chen,Jun1;Guo,Chengli2;Zhou,Tianfeng3; (1College of Mechanical and Electronic Engineering, Northwest Agriculture and Forestry University, Shanxi, Xianyang, 712100, China;2Zhejiang Sunny Optical Company, Zhejiang, Yuyao, 315400, China;3School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处: Journal of Food Engineering 2024 Vol.364
摘要: Excessive organophosphorus pesticide residues in food are a serious threat to human health, it is very urgent to develop a portable, low-cost, and hig ...
作者:
Tianfeng Zhou1,2;Qiuchen Xie1;Jiaqin Yang1,2;Yuhan Cui1;Junjian Hu3;Jiyong Zeng3;Peng Liu1,2;
出处: Journal of Materials Processing Technology 2024 Vol.323 P118224
关键词: Refractive index liquid;Bessel beam;Lens cutting;Laser cutting
摘要: Irregular lenses are commonly employed in various beam shaping, imaging, and other optical applications. They require secondary processing to meet spe ...
作者: Ghandourah, Emad1,2;Ahmadian, Hossein3;Zhou, Tianfeng3;Atif, Muhammad3;Kumar, Senthil7;Weijia, Guo3;Sadoun, A. M.4;Fathy, A.5,6 (1King Abdulaziz Univ, Fac Engn, Dept Nucl Engn, Jeddah 21589, Saudi Arabia.;2King Abdulaziz Univ, Ctr Training & Radiat Prevent, Jeddah 21589, Saudi Arabia.;3Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China.;4King Abdulaziz Univ, Fac Engn, Mech Engn Dept, Jeddah 80204, Saudi Arabia.;5Zagazig Univ, Fac Engn, Dept Mech Design & Prod Engn, Zagazig 44519, Egypt.;6Higher Technol Inst, Mech Engn Dept, Tenth Of Ramadan City, Egypt.;7Natl Univ Singapore, Dept Mech Engn, 9 Engn Dr 1, Singapore 117575, Singapore.)
出处: MATERIALS TODAY COMMUNICATIONS 2024 Vol.38
关键词: SLIDING WEAR BEHAVIOR; MECHANICAL-PROPERTIES; MAGNESIUM; NANOCOMPOSITES; SIZE
摘要: This research delves into the effects of milling time on the properties of Mg-Ti dual matrix composites reinforced with nano SiC powders, processed vi ...
作者: Bao, Jiawei1;Yan, Zhaopu2;Wang, Yangwei2,3,4;Cheng, Huanwu2,3;Zhou, Tianfeng1;Cheng, Xingwang1 (1Beijing Inst Technol, Sch Mech Engn, 5 South Zhongguancun St, Beijing 100081, Peoples R China.;2Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China.;3Natl Key Lab Sci & Technol Mat Shock & Impact, Beijing 100081, Peoples R China.;4Beijing Inst Technol, Chongqing Innovat Ctr, Chongqing 401120, Peoples R China.)
出处: ADVANCED ENGINEERING MATERIALS 2024
关键词: BALLISTIC PERFORMANCE; COMPOSITE; STRENGTH; THICKNESS; MODEL
摘要: The ultra-high molecular weight polyethylene (UHMWPE) fiber laminates were prepared by hot pressing at temperatures ranging from 120 to 140 degrees C ...
作者: Wang,Zifan1;Zhou,Tianfeng1;Yu,Qian1;Zeng,Zihao2;Wang,Xibin1;Hu,Junjian3;Zeng,Jiyong3; (1School of Mechanical Engineering, Beijing Institute of Technology, No.5 Zhongguancun South Street, Haidian District, Beijing, 100081, China;2School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China;3Jiangxi Lianchuang Electronic Technology Co., Ltd., Jiangxi, 330096, China)
出处: Optics and Lasers in Engineering 2024 Vol.174
摘要: Fast-axis collimation (FAC) lens arrays play a crucial role in laser systems, offering precise beam shaping and focusing for applications such as lase ...
作者: Jiang, Wei1; Zhao, Wenxiang2; Deng, Liangfeng1; Zhou, Tianfeng2; Qiu, Tianyang2 (1School of Mechanical Engineering, Beijing Institute of Technology, No.5 Zhongguancun South Street, Haidian District, Beijing; 100081, China;2Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, No.5 Zhongguancun South Street, Haidian District, Beijing; 100081, China)
出处: Journal of Manufacturing Processes 2024 P1-13
作者: Su, Zhipeng1; Liang, Zhiqiang1; Ma, Yue1; Du, Yuchao1; Guo, Lin1; Zhao, Bin1; Zhou, Tianfeng1; Wang, Xibin1 (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China)
出处: Ceramics International 2024
发明人: 周天丰,崔颖,郭玉冰,陈山林,刘路
申请人: 北京理工大学
申请号: 202310499317.3
申请日期: 2023.05.06
摘要: 本发明公开一种肘关节旋转中心轴识别方法、系统、电子设备及介质,涉及肘关节旋转中心轴识别领域,该方法包括:获取肱骨远端CT影像;构建肱骨远端的三维表面模型;构建ISB规定的肱骨远端初始坐标系,确定初始旋转轴;对肱骨远端关注旋转区域的各侧位图设定圆弧角度的圆弧的圆心进行迭代拟合并对多个所述圆心所在的直线 ...
发明人: 周天丰,崔颖,郭玉冰,陈山林,刘路
申请人: 北京理工大学
申请号: 202310068127.6
申请日期: 2023.02.06
摘要: 本发明公开一种前臂骨标志点智能识别方法,属于前臂骨标志点识别领域。从前臂骨三维模型中确定前臂骨端轴线,建立垂直于前臂骨端轴线的平行面系,选取平行面系中各面与前臂骨三维模型相交的最大轮廓面积所在面为前臂骨端特征平面,前臂骨端局部坐标系,利用前臂骨端特征平面和前臂骨三维模型确定初始前臂骨性标志点,对初始 ...