作者： He, Runjun;|Li, Miao;|Han, Xiao;|Feng, Wei;|Zhang, Hongye;|Xie, Huimin;|Liu, Zhanwei （¹AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China ²School of Technology, Beijing Forestry University, Beijing 100083, China ³School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China ⁴AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China）

出处： Nanomaterials 2023 Vol.13 No.3 P608

关键词： interface;lattice misfit;Ni-based single-crystal superalloy;TEM

摘要： The interface plays an important role in determining strength and toughness in multiphase systems and the accurate measurement of the interface struct ...

作者： Zhuangzhuang Mao¹;Wei Feng¹;Heng Ma¹;Yang Yang²;Jiangfan Zhou³;Sheng Liu⁴;Yang Liu⁴;Ping Hu⁴;Kai Zhao⁵;Huimin Xie⁶;Guangping Guo²;Zhanwei Liu¹;CA1 （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing; 100081, China;²AECC Beijing Institute of Aeronautical Materials, Beijing; 100095, China;³Beijing Institute of Structure and Environment Engineering, Beijing; 100076, China;⁴School of Power and Mechanical Engineering, Wuhan University, Wuhan; 430072, China;⁵Shanghai Aerospace Equipment Manufacturer Limited Company, Shanghai; 200245, China;⁶AML, Department of Engineering Mechanics, Tsinghua University, Beijing; 100084, China）

出处： Optics and Laser Technology 2023 Vol.158 Part A P108877

关键词： Deep learning;Laser powder bed fusion;Melt pool;Photodiode signal;Real-time flaws detection;Temperature measurement

摘要： The continuous online flaws detection of the melt pool plays a significant role in assessing the quality of the printed sample in metal additive manuf ...

作者： Ghahramani, Hoger¹;Mokhtari, Amir Hossein²;Wei, Feng³; （¹ Univ Kurdistan, Fac Sci, Dept Math, POB 416, Sanandaj, Kurdistan, Iran. ;² Univ Birjand, Tech Fac Ferdows, Birjand, Iran. ;³ Beijing Inst Technol, Sch Math & Stat, Beijing 100081, Peoples R China.）

出处： JOURNAL OF ALGEBRA AND ITS APPLICATIONS 2023

关键词： TRIPLE ISOMORPHISMS; DERIVATIONS; RINGS; MAPPINGS; TRACES

摘要： Let G be a 2-torsion free unital generalized matrix algebra with center Z(G), and phi be a linear mapping on G satisfying the condition X,Y is an elem ...

作者： Zhuangzhuang Mao，Wei Feng，Ce Hao，Zhanwei Liu （School of Aerospace Engineering, Beijing Institute of Technology；AECC Commercial Aircraft Engine Co. Ltd.）

出处： Theoretical & Applied Mechanics Letters 2022 第5期 P332-340

关键词： Additive；manufacturing；Laser；engineered；net；shaping；Melt；pool；evolution；Simulation；analysis；Temperature；measurement

摘要： In this work, the evolution of melt pool under single-point and single-line printing in the laser engineered net shaping (LENS) process is analyzed. F ...

作者： Macedo Ferreira, Bruno Leonardo¹;Wei, Feng²; （¹ Fed Univ Technol, Prof Laura Pacheco Bastos Ave 800, BR-85053510 Guarapuava, Brazil. ;² Beijing Inst Technol, Sch Math & Stat, Beijing 100081, Peoples R China.）

出处： JOURNAL OF ALGEBRA AND ITS APPLICATIONS 2022

关键词： COMMUTATIVITY PRESERVING-MAPS; TRIPLE DERIVATION; PRODUCT; ADDITIVITY

摘要： Let A be an *-algebra with identity 1(A) and e(1) and e(2) = 1(A )- e(1 )nontrivial symmetric idempotents in A. In this paper we study the characteriz ...

作者： Huang, Wendan¹;Huang, Yao¹;Feng, Wei¹;Liu, Zhanwei¹; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China）

出处： Guangxue Jishu/Optical Technique 2022 Vol.48 No.6 P721-730

摘要： The research of image reconstruction algorithm under sparse angle is a key problem in the application of Emission Spectral Tomography in field distrib ...

作者： Zhuangzhuang Mao¹;Wei Feng¹;Ce Hao²;Zhanwei Liu¹;CA1 （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China;²AECC Commercial Aircraft Engine Co. Ltd., Shanghai, 200241, China）

出处： Theoretical and Applied Mechanics Letters 2022 Vol.12 No.5 P100366

关键词： Additive manufacturing;Laser Engineered Net Shaping;Melt pool evolution;Simulation analysis;Temperature measurement

摘要： In this work, the evolution of melt pool under single-point and single-line printing in the Laser Engineered Net Shaping (LENS) process is analyzed. F ...

作者： Hongye Zhang^{1   2};Runlai Peng¹;Jiaye Zhao³;Chao Fan⁴;Wei Feng²;Zhanwei Liu²; （¹ School of Technology, Beijing Forestry University, Beijing 100083, China. ² School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China. ³ Institute of Flexible Electronics Technology of THU, Jiaxing 314006, China. ⁴ Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China.）

出处： Nanomaterials (Basel, Switzerland) 2022 Vol.12 No.22 P4020

关键词： TBCs;TGO;real time;strain/stress measurement.

摘要： Thermal barrier coating (TBC) materials play important roles in gas turbine engines to protect the Ni-based superalloys from high-temperature airflow ...

作者： De Filippis, Vincenzo¹;Scudo, Giovanni¹;Wei, Feng²; （¹Department of Engineering, University of Messina, Messina, 98166, Italy;²School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Journal of Algebra and its Applications 2022

摘要： Let R be a prime ring of characteristic different from 2, Qr be its right Martindale quotient ring and C be its extended centroid, α be an automorphis ...

作者： 孙丹蒂 （导师：魏丰）

学位名称： 硕士

出处： 北京理工大学 2009

关键词： 微分几何；信息几何；统计流型；标量曲率；测地线；Jacobi场；Differential