作者：于璐

学位名称：硕士

出处：北京理工大学 2017

作者：Ying Chen¹;Shaopeng Yang²³;Qi Chen¹;Ding Yang¹;Changmeng Liu¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;²Institute of Special Steel, Central Iron and Steel Research Institute, Beijing 100081, China;³Technology Center, Ma\' anshan Iron and Steel Co., Ltd, Ma\' anshan 243000, China）

出处：Journal of Physics: Conference Series 2022

摘要：The effect of low-pressure carburizing (LPC) on the mechanical properties of open cellular structures was studied by taking the 316L stainless steel b ...

发明人：郭跃岭，胡锦龙，韩启飞，张弛，王俊升，刘长猛

申请日期：2022.06.30

摘要：本发明涉及一种Al‑Ce耐热合金及其制备方法，属于耐热铝合金技术领域。所述合金的组分包括α‑Al基体和体积分数为30％～50％的金属间化合物Al₁₁Ce₃；所述金属间化合物Al₁₁Ce₃在α‑Al基体内的存在形态 ...

发明人：刘长猛，徐田秋，敬晨晨，韩骁

申请日期：2022.07.14

摘要：本发明公开了一种梯度金字塔型点阵夹芯板及其制备方法，其中梯度金字塔型点阵夹芯板包括第一基板、第二基板和点阵芯层。第一基板平行于第二基板，点阵芯层位于第一基板与第二基板之间。点阵芯层包括矩形阵列分布成一层的多个胞元结构，胞元结构包括四个斜杆，斜杆相对于第一基板倾斜设置，斜杆的第一端与第一基板固连，四个 ...

发明人：刘长猛，徐田秋，敬晨晨，韩骁

申请日期：2022.07.14

摘要：本发明公开了一种薄壁与杆结合的锥形抗弹点阵夹芯板及其制备方法，其中锥形抗弹点阵夹芯板包括第一基板、第二基板和点阵芯层，第一基板平行于第二基板，点阵芯层位于第一基板与第二基板之间。点阵芯层包括阵列分布成一层的多个胞元结构，胞元结构的第一端与第一基板固连，胞元结构的第二端通过节点与第二基板固连。胞元结构 ...

发明人：刘长猛，徐田秋，敬晨晨，韩骁

申请日期：2022.07.14

摘要：本发明公开了一种抗爆炸冲击点阵夹芯板及其制备方法，其中抗爆炸冲击点阵夹芯板包括第一基板、第二基板和点阵芯层，第一基板平行于第二基板，点阵芯层位于第一基板与第二基板之间。点阵芯层包括矩形阵列分布成一层的多个胞元结构，胞元结构包括中间节点、第一直杆、第一斜杆、第二直杆和第二斜杆。相比于现有技术，本发明通 ...

发明人：刘长猛，孙济奇，沙昊，李昌远，齐江珉

申请日期：2022.10.27

摘要：本发明公开一种筒体内壁加筋装置及筒体内壁加筋方法，属于电弧增材制造技术领域，包括三轴移动平台和固定在三轴移动平台的移动端的悬臂梁，悬臂梁长度方向平行于X轴方向，在悬臂梁上沿长度方向分布设置有若干打印头；还包括支撑待加工的筒体的支撑结构和驱动筒体转动的转动驱动结构，筒体的轴向平行于X轴方向，悬臂梁能够 ...

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

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：Hao Mao;Chenchen Jing;Fuxiang Kong;Tianqiu Xu;Xiong Xiao;Kun Li;Xue Ling;Changmeng Liu （¹School of Engineering and Technology, China University of Geosciences, Beijing 100083, China;²Key Laboratory on Deep Geo-Drilling Technology of the Ministry of Land and Resources, China University of Geosciences, Beijing 100083, China;³School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处：Journal of Manufacturing Processes 2023

关键词：Hot-wire pulse arc additive manufacturing;Austenitic stainless-steel bar;Manufacturing efficiency;Microstructural;Mechanical properties

摘要：With the advantages of high material utilization and freedom of structural form, wire and arc additive manufacturing (WAAM) is a feasible solution to ...

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

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