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 第53卷 第2期 P76-86

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。 ...

作者： Tianqiu Xu;|Jiawei Liu;|Tao Lu;|Chenchen Jing;|Jiachen Wang;|Shuyuan Ma;|Changmeng Liu （¹School of Mechanical Engineering, Beijing Institute of Technology, 100081, Beijing, China;²China Electronic Product Reliability and Environmental Testing Research Institute (CEPREI), 511370, Guangzhou, China;³Applied Mechanics Lab, School of Aerospace Engineering, Tsinghua University, 100084, Beijing, China）

出处： The International Journal of Advanced Manufacturing Technology 2023 Vol.125 No.5-6 P2609-2625

关键词： Wire arc additive manufacturing;Fabrication strategy;Macroscopic defect

摘要： Double-wire arc additive manufacturing (DWAAM) has a broad application prospect in the fabrication of component because of its higher deposition effic ...

作者： Changmeng Liu;Tianqiu Xu;Hao Mao;Kun Li;Chenchen Jing;Bin Liu;Xue Ling;Shuyuan Ma （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²Co-first author: Changmeng Liu and Tianqiu Xu.;³Key Laboratory on Deep Geo-Drilling Technology of the Ministry of Natural Resources, China University of Geosciences, Beijing, 100083, China;⁴China Academy of Launch Vehicle Technology, Beijing Institute of Astronautical Systems Engineering, Beijing, 100076, China）

出处： Materials Science and Engineering: A 2023 Vol.868 P144787

摘要： Large-size lattice sandwich structure (LSS) has broad application prospects in the industrial field because of its specific stiffness and high strengt ...

作者： Liu, Changmeng¹;Xu, Tianqiu¹;Mao, Hao¹;Li, Kun¹;Jing, Chenchen¹;Liu, Bin¹;Ling, Xue¹;Ma, Shuyuan¹ （¹Beijing Institute of Technology; Ministry of Natural Resources of the People's Republic of China）

出处： MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 2023 Vol.868

摘要： Large-size lattice sandwich structure (LSS) has broad application prospects in the industrial field because of its specific stiffness and high strengt ...

作者： Xu, Tianqiu¹; Liu, Jiawei²; Lu, Tao¹; Jing, Chenchen¹; Wang, Jiachen³; Ma, Shuyuan¹; Liu, Changmeng¹ （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;²China Electronic Product Reliability and Environmental Testing Research Institute (CEPREI), Guangzhou; 511370, China;³Applied Mechanics Lab, School of Aerospace Engineering, Tsinghua University, Beijing; 100084, China）

出处： International Journal of Advanced Manufacturing Technology 2023

作者： Xu, Tianqiu¹;Liu, Jiawei²;Lu, Tao¹;Jing, Chenchen¹;Wang, Jiachen³;Ma, Shuyuan¹;Liu, Changmeng¹; （¹ Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China. ;² China Elect Prod Reliabil & Environm Testing Res I, Guangzhou 511370, Peoples R China. ;³ Tsinghua Univ, Sch Aerosp Engn, Appl Mech Lab, Beijing 100084, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 2023

作者： Shi Xuezhi¹;Huang Yunfeng¹;Li Zhenhua¹;Feng Wuwei¹;Ma Shuyuan² （¹School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, 316022;²School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081）

出处： 稀有金属材料与工程 2022 第51卷 第8期 P2739-2744

关键词： substrate preheating；remelting；in-situ presintering；crack；surface；selective laser melting (SLM)

摘要： The methods of substrate preheating, remelting and in-situ presintering were proposed to fabricate Ti-47Al-2Cr-2Nb by selective laser melting (SLM). T ...

作者： Shi Xuezhi¹;Huang Yunfeng¹;Li Zhenhua¹;Feng Wuwei¹;Ma Shuyuan²; （¹ Zhejiang Ocean Univ, Sch Marine Engn Equipment, Zhoushan 316022, Peoples R China. ;² Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China.）

出处： RARE METAL MATERIALS AND ENGINEERING 2022 Vol.51 No.8 P2739-2744

关键词： ALLOY; MICROSTRUCTURE

摘要： The methods of substrate preheating, remelting and in-situ presintering were proposed to fabricate Ti-47Al-2Cr-2Nb by selective laser melting (SLM). T ...

作者： Xu, Tianqiu¹;Zhang, Meng¹;Wang, Jiachen²;Lu, Tao¹;Ma, Shuyuan¹;Liu, Changmeng¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;²Applied Mechanics Lab., School of Aerospace Engineering, Tsinghua University, Beijing; 100084, China）

出处： Journal of Manufacturing Processes 2022 Vol.79 P60-69

摘要： Wire arc additive manufacturing (WAAM) is a promising additive manufacturing technique with growing acceptance in fabricating large size components. I ...

作者： Xu, Tianqiu¹; Liu, Jiawei²; Wang, Jiachen³; Lu, Tao¹; Ma, Shuyuan¹; Liu, Changmeng¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;²China Electronic Product Reliability and Environmental Testing Research Institute (CEPREI), Guangzhou; 511370, China;³Applied Mechanics Lab., School of Aerospace Engineering, Tsinghua University, Beijing; 100084, China）

出处： Journal of Manufacturing Processes 2022 Vol.82 Suppl C P448-460

关键词： Wire arc additive manufacturing;Mechanical anisotropy;Layer control method

摘要： Wire arc additive manufacturing (WAAM) is an important manufacturing technology for fabricating large-size titanium alloy parts, which has important a ...