作者：Guo, Yueling¹;He, Junyang^2,3;Li, Zhiming^2,3;Jia, Lina⁴;Wu, Xiaoxiang⁵;Liu, Changmeng¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²State Key Laboratory of Powder Metallurgy, School of Materials Science and Engineering, Central South University, Changsha, 410083, China;³Max-Planck-Institut für Eisenforschung, Max-Planck-Straße 1, Düsseldorf, 40237, Germany;⁴Research Center of Light-alloy Materials, Frontier Institute of Science and Technology Innovation, Beihang University, Beijing, 100191, China;⁵School of Iron and Steel, Soochow University, Suzhou, 215137, China）

出处：Materials Science and Engineering A 2022

关键词：PARTICLE-STIMULATED NUCLEATION;MECHANICAL-PROPERTIES;MICROSTRUCTURE;PHASE

摘要：Refractory high entropy alloys (RHEAs) are increasingly attractive for potential high temperature applications. To further optimize the mechanical pro ...

作者：徐田秋¹;，敬晨晨¹;，毛昊²;，李坤²;，韩骁¹;，鲁涛¹;，马树元¹;，刘长猛¹; （¹北京理工大学机械与车辆学院；²中国地质大学(北京)国土资源部深部地质钻探技术重点实验室）

出处：电焊机 2023

关键词：电弧增材制造；点阵结构；成形工艺；空间杆结构

摘要：金属点阵结构是一种轻质多功能结构，具有高比强度、高比刚度、抗爆吸能、减振降噪等优势，在飞行器、船舶、车辆、建筑等领域具有广泛的应用前景。然而，迄今为止点阵结构件的应用规模仍然十分有限，主要原因是受到制造技术的严重制约。电弧增材制造技术因其离散堆积的成形特点有望实现点阵复杂结构的一体化高效低成本制造。 ...

发明人：刘长猛，徐田秋，敬晨晨，沙昊，黄俊锦，韩骁，张帆

申请日期：2022.10.09

摘要：本发明公开了一种金属点阵三明治板的高效制造方法，高效制造方法包括以下步骤：(1)在下基板上制造与电弧熔丝增材制造单元的数量相同的金属点阵结构；(2)重复进行步骤(1)，直至将下基板上的所有金属点阵结构都制备完成；(3)准备上基板，在上基板上加工出与金属点阵结构一一对应的圆形通孔；(4)在上基板上同时 ...

发明人：刘长猛，王天宇，符瑞，高迪，韦金松，黄俊锦

申请日期：2022.08.19

摘要：本发明公开一种电弧增材制造装备的实时控制方法、系统及装置，涉及增材制造技术领域，方法包括：获取训练数据集；以t时刻的工件温度和焊机电压为输入，以t+1时刻的机床扫描速度、送丝机送丝速度、焊机基值电流和热丝电源电流为输出，利用训练数据集对动态贝叶斯网络模型进行训练和优化；获取当前时刻的工件温度和焊机电 ...

作者：Li, Zixiang¹;Cui, Yinan²;Yu, Ze Yang¹;Liu, Changmeng¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²Applied Mechanics Lab., Dept. of Engineering Mechanics School of Aerospace Engineering, Tsinghua University, Beijing, 100084, China）

出处：Journal of Alloys and Compounds 2021

关键词：Composition;Double-wire arc additive manufacturing;In-situ;Microstructure;Ti2AlNb-based alloy

摘要：For the reason of high temperature strength, high oxidation resistance and low density, Ti2AlNb-based alloy is expected to replace nickel-based alloy ...

作者：鲁涛，敬石开，聂靖轩，徐田秋，李昌远，刘长猛 （北京理工大学机械与车辆学院）

出处：稀有金属 2023

关键词：电弧增材制造（wire arc additive manufacturing,WAAM）；钛合金；成形质量；在线监测；过程控制

摘要：电弧增材制造（wire arc additive manufacturing, WAAM）技术被认为是制造大型钛合金构件最具前景的增材制造技术之一。然而，成形过程稳定性差、成形件表面质量及尺寸精度低是制约WAAM钛合金构件推广运用的主要瓶颈，对WAAM成形过程进行实时监测及反馈控制是解决这一难题的重 ...

发明人：刘长猛，许瀚文，毛昊，沙昊

申请日期：2023.02.13

摘要：本发明属于建筑材料技术领域，尤其涉及一种双钢板混凝土结构及其制备方法。本发明的双钢板混凝土结构包括钢骨架和填充在所述钢骨架中的混凝土，所述钢骨架包括两层钢板和焊接在所述两层钢板之间的增强钢结构；所述增强钢结构包括若干个层层设置的增强层；所述增强层由若干个增强单元构成；所述增强单元由两个钢胞构成；所述 ...

作者：Chenchen Jing^1,2;Hao Mao³;Tianqiu Xu¹;Qianru Wu⁴;Bin Liu⁵;Jiping Lu¹;Xihui Liang²;Changmeng Liu¹;CA1 （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;²Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba R3T 5V6, Canada;³Key Laboratory on Deep Geo-Drilling Technology of the Ministry of Land and Resources, China University of Geosciences, Beijing 100083, China;⁴School of Electrical & Automation Engineering, Nanjing Normal University, Nanjing 210023, China;⁵China Academy of Launch Vehicle Technology, Beijing Institute of Astronautical Systems Engineering, Beijing 100076, China）

出处：Journal of Materials Processing Technology 2023

摘要：Fabricating unsupported inclined rods using additive manufacturing poses significant challenges, limiting the design and manufacturing of lattice stru ...

作者：Zixiang Li¹;Baohua Chang¹;Kaiming Wang²;Haoyu Zhang¹;Zhiyue Liang¹;Li Wang¹;Changmeng Liu³;Dong Du^1,4;CA1 （¹Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;²College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, China;³School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;⁴Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Tsinghua University, Beijing 100084, China）

出处：Journal of Materials Processing Technology 2023

摘要：In-situ additive manufacturing (AM) is well known for integrating of material synthesis and near-shaping fabrication. However, the insufficient metall ...

发明人：刘长猛，李昌远，郁泽清，鲁涛，刘彬

申请日期：2022.12.14

摘要：本发明提供了一种栅格舵的分区并行丝材增材制备方法，属于栅格舵制造技术领域。本发明根据栅格舵零件的具体形状，建立三维实体模型；将所述三维实体模型进行切片处理得到二维切片图形，将所述二维切片图形分区处理，并对每个分区进行路径规划，进行分区并行增材制造，得到栅格舵毛坯；对所述栅格舵毛坯进行热处理，得到所述 ...