合作者关系

[中文专利] 一种适用于海洋浮台的点阵夹芯板及其制备方法

发明人：刘长猛，许瀚文，毛昊

申请日期：2023.11.15

摘要：本发明公开一种适用于海洋浮台的点阵夹芯板，包括基板、框架单元和加强单元，包括基板、框架单元、加强单元和混凝土结构层，框架单元包括多个单体胞元，每一单体胞元均包括竖直杆件和倾斜杆件，竖直杆件以及倾斜杆件均能够承受竖直方向的压力，加强元件与竖直杆件、倾斜杆件相连，全面增强了点阵夹芯板的结构强度，提升点阵 ...

[外文期刊] Microstructure diversity dominated by the interplay between primary intermetallics and eutectics for Al-Ce heat-resistant alloys SCIE EI

作者：Guo, Yueling¹;CAa;Hu, Jinlong²;Han, Qifei²;Sun, Binhan³;Wang, Junsheng^b,d;Liu, Changmeng¹;CAb （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China;³Max-Planck-Institut für Eisenforschung, Düsseldorf, 40237, Germany;⁴Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081, China）

出处：Journal of Alloys and Compounds 2022

关键词：Al-Ce alloy;Faceted growth;Heat-resistant aluminum alloy;Intermetallics;Microstructure diversity

摘要：Al-Ce alloys emerge as promising heat-resist aluminum alloys with service temperatures above 250 °C. Here we report the solidification behavior and th ...

[外文期刊] Sub-Rapid-Solidification Dominated Microstructure Modification and Strength Increment for Wire-Arc Directed Energy Deposited Al-Ce-Mg Alloys

作者：Yueling Guo^1,2;CA1;Yangyu Yan¹;Jinlong Hu³;Qifei Han³;Xinglong Di¹;Changmeng Liu^1,2; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²Key Laboratory of Fundamental Science for Advanced Machining Technology, Beijing Institute of Technology, Beijing, 100081, China;³School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China）

出处：Additive Manufacturing Frontiers 2024

关键词：Wire-arc directed energy deposition;Heat-resistant aluminum alloy;Al-Ce alloy;Rapid solidification;Strengthening

摘要：Conventional cast Al-Ce alloys are challenged by the increasing demand for improved mechanical properties. To address this issue, in this study, wire- ...

[外文期刊] Enhanced high-temperature strength and ductility of wire arc additive manufactured Al–Ce–Mg alloys with fine α-Al/Al₁₁Ce₃ eutectics

作者：Si, Jiashun¹;Guo, Yueling¹;CAa;Hu, Jinlong²;Jing, Chenchen^a,c;CAb;Lu, Jiping¹;Liu, Changmeng¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China;³Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314019, China）

出处：Journal of Materials Research and Technology 2024

关键词：Al–Ce alloys;Eutectic microstructure;Heat-resistant aluminum alloys;High temperature mechanical property;Wire arc additive manufacturing

摘要：Here, wire-arc additive manufacturing (WAAM) is employed to fabricate Al–Ce–Mg heat-resistant aluminum alloy, considering its capability to manufactur ...

[中文专利] 一种多丝材原位电弧增材制备TiNbZr多主元合金构件的方法

发明人：郭跃岭，周雨菁，彭司弋，刘长猛

申请日期：2024.03.05

摘要：本发明提供了一种多丝材原位电弧增材制备TiNbZr多主元合金构件的方法，属于金属材料增材制造领域。本发明按照难熔多主元合金的目标成分，使用钛丝、铌丝和锆丝三种不同种类的金属单质丝材，在控制系统的作用下，三种金属丝材同时被送入焊枪的下方；通过限定直流脉冲电弧的参数以及通过辅助加热的方式，既能够减小电弧 ...

[外文期刊] In-Situ Quality Intelligent Classification of Additively Manufactured Parts Using a Multi-Sensor Fusion Based Melt Pool Monitoring System

作者：Qianru Wu¹;CA1;Fan Yang¹;Cuimeng Lv¹;Changmeng Liu²;Wenlai Tang¹;CA2;Jiquan Yang¹; （¹Jiangsu Key Laboratory of 3D Printing Equipment & Manufacturing, School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing, 210023, China;²School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China）

出处：Additive Manufacturing Frontiers 2024

关键词：Additive manufacturing;In-situ quality classification;Multi-sensor fusion;Melt pool area;Deep convolutional neural network;Selective laser melting

摘要：Although laser powder bed fusion (LPBF) technology is considered one of the most promising additive manufacturing techniques, the fabricated parts sti ...

[中文期刊] 力学性能可调的高氧钛原位电弧增材制造 CA 剑桥核

作者：李昌远，刘长猛，鲁涛，郭跃岭，刘彬（北京理工大学机械与车辆学院；中国运载火箭技术研究院）

出处：中国有色金属学报 2024

关键词：电弧增材制造；纯钛；高氧含量；显微组织；力学性能

摘要：通过电弧增材制造原位制备高氧钛,并对高氧钛的成分偏析、显微组织和力学性能进行研究。结果表明,高氧钛试样的显微组织主要呈现为针状alpha相集束。随着氧含量的增加,试样针状alpha相逐渐变宽,集束尺寸变大。受氧的强化作用以及晶粒尺寸效应共同影响,试样的强度先提高后下降,伸长率显著下降,断裂形式由塑性 ...

[中文期刊] 丝材电弧增材制造TA15/TC11梯度结构材料的显微组织和力学性能 CA 剑桥核源

作者：王贺，马树元，王嘉琛，鲁涛，刘长猛（北京理工大学机械与车辆学院；北京理工大学先进结构技术研究院）

出处：中国有色金属学报 2021

关键词：丝材电弧增材制造；梯度结构材料；晶粒形态；显微组织；力学性能

摘要：利用丝材电弧增材制造的方法制备从TA15过渡为TC11的梯度结构材料,并对该梯度结构材料的晶粒形态、化学成分、显微组织和力学性能沿沉积方向的变化情况进行表征和研究。结果表明,从TA15到TC11,晶粒尺寸减小,并且发生从柱状晶到等轴晶的转变。合金元素的含量在短距离内变化很大,突变区的宽度为800 m ...

[中文专利] 一种多电弧增材制造机床

发明人：刘长猛，孙济奇，许瀚文，齐江珉，李昌远

申请日期：2024.04.22

摘要：本发明公开了一种多电弧增材制造机床，属于增材制造技术领域，包括打印平台，打印平台上设有至少一个龙门架，龙门架包括横梁、滑块以及立架，横梁横跨打印平台的宽度方向，横梁通过X轴移动机构能够沿打印平台的长度方向移动，滑块滑动连接在横梁上，滑块通过Y轴移动机构能够沿横梁移动，立架竖向滑动连接在滑块上，立架通 ...

[中文专利] 一种内含空间拓扑结构预控破片的战斗部及其建模方法

发明人：刘长猛，吴同，崔一南，吴俊豪，陈琪

申请日期：2024.04.22

摘要：本发明公开一种内含空间拓扑结构预控破片的战斗部及其建模方法，包括战斗部主体和预制破片，本发明解决了预控破片类型战斗部破片形貌特征不佳的问题，传统的预控破片战斗部产生的破片一般为方形壳体，方形壳体破片的存速和侵彻效果都有所不足。本发明是一种内含了破片单元的壳体，其中的破片单元具有可以在三维空间内密铺的 ...