徐春广
作者: Yin, Peng1;Xu, Chunguang1;Pan, Qinxue1;Zhang, Wenjun1;Jiang, Xiaowei1,2; (1 Beijing Inst Technol, Key Lab Fundamental Sci Adv Machining, Beijing 100081, Peoples R China. ;2 Jiangsu Inst Automat, Lianyungang 222061, Peoples R China.)
出处: MATERIALS 2022 Vol.15 No.3
关键词: MECHANICAL-PROPERTIES; MELT FLOW; VIBRATION; MICROSTRUCTURE; STRESS; GRAIN; BEAM; AL
摘要: Based on the changes of microhardness, tensile strength, and impact resistance caused by the difference of macroscopic morphology and microstructure o ...
作者: Yin, Peng;Xu, Chunguang;Pan, Qinxue;Zhang, Wenjun;Jiang, Xiaowei (1Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, Beijing; 100081, China;2Jiangsu Institute of Automation, Jiangsu, Lianyungang; 222061, China)
出处: AIP Advances 2022 Vol.12 No.4 P045118
关键词: MECHANICAL-PROPERTIES;MICROSTRUCTURE;VIBRATION;JOINTS;BEHAVIOR;METAL;GRAIN;FLOW
摘要: The welding performance and defects of thick aluminum alloy plates with medium and high strength are always a hot research topic. In this study, ultra ...
作者: Yuren Lu1;Chunguang Xu1;Qinxue Pan1;Quanpeng Yu1;Dingguo Xiao1; (1 Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, Beijing 100081, China.)
出处: Sensors (Basel, Switzerland) 2022 Vol.22 No.23 P9431
关键词: inherent frequency;piezoelectric ceramics;transducer vibration characteristics;vibration model.
摘要: Great progress has been made in the field of ultrasonic processing in recent years, and piezoelectric ceramic transducers have been widely used as dri ...
发明人: Chunguang Xu;Shuangyi Li;Yuren Lu;Peng Yin;Dezhi Li;Wenyuan Song
申请人: BEIJING INSTITUTE OF TECHNOLOGY
申请号: US202117329585
申请日期: 2021.05.25
摘要: An ultrasonic monitoring probe for internal service stress of a marine structural component. The probe includes a detection wedge provided with two sy ...
发明人: Chunguang Xu;Shuangyi Li;Yuren Lu;Peng Yin;Dezhi Li;Ruili Jia;Wenyuan Song
申请人: BEIJING INSTITUTE OF TECHNOLOGY
申请号: US202016991372
申请日期: 2020.08.12
摘要: A device and method for reducing and homogenizing residual stress of a component by an array of high-energy elastic waves. The device includes a tubul ...
作者: 贺蕾,徐春广,王秋涛,杨超,朱延玲 (先进加工技术国防重点学科实验室,机械与车辆学院,北京理工大学)
出处: 2019中国超声检测大会 2019
会议录: 2019中国超声检测大会论文集
关键词: 超声显微;检测技术;缺陷
摘要: 介绍了超声显微检测系统的组成及原理,以及采用超声显微检测系统对特种涂层、电子封装集成电路、焊接零部件等产品进行检测的应用研究。研究结果表明:超声显微检测技术具有高灵敏度、高分辨率和图像直观等特点,可用于国防军工、电子工业及钢铁工业等领域质量与性能等方面的检测,检测过程中可实时显示被测样品的A、B 和 ...
作者: 徐春广,李志向,苗兆伟 (北京理工大学机械与车辆学院)
出处: 2019中国超声检测大会 2019
会议录: 2019中国超声检测大会论文集
关键词: 螺栓应力;无损检测;监测;超声波
摘要: 为准确获悉螺栓服役应力,保证连接结构安全稳定运行,基于声弹性理论,研究螺栓内超声波与应力之间的关系,分析超声无损检测方法与技术。采用自发自收方式,结合声时差测量算法和温度补偿算法等,基于VC++搭建螺栓服役应力超声检测和监测系统。为了实现检测值溯源性,采用轴力计和拉伸机的绝对校准法研究螺栓服役应力超 ...
作者: 田海兵 (导师:徐春广)
学位名称: 硕士
出处: 北京理工大学 2017
关键词: 细长构件;残余应力;临界折射纵波;无损检测;调控
摘要: 细长构件是制造业中最常见的构件之一,其在加工与服役过程中会产生大量的残余应力,这些残余应力会影响细长构件的综合性能。怎样快速、精确地测量细长构件内部的残余应力并采用有效的方法调控、削减其残余应力向来是工业界以及学术界探究的热点问题。介于上述难题,本文主要研究了两种形式的超声波:临界折射纵波(L CR ...
作者: Yong YOU,Fei LI,Teng ZHANG,Chunguang XU,Mingchuan ZHANG,Jingrui REN (ZhuHai Campus,Beijing Institute of Technology,Zhuhai,China;Key Laboratory of Fundamental Science for Advanced Machining,Beijing Institute of Technology,Beijing,China)
出处: 2016远东无损检测新技术论坛 2016
会议录: 2016远东无损检测新技术论坛论文集
摘要: 为了满足对铸造,锻造类形状曲率复杂构件(如航空发动机叶片)微缺陷的自动化无损检测的需求,采用计算机断层扫描的检测方法,研制了一种基于工业六自由度机械手的CT检测系统。该测量系统主要由机械手、平板探测器、高能X射线源三大部分组成。本文在介绍分析系统基本组成和各个单元的工作机理的基础上,进一步分析了系统 ...
作者: Xipeng Li,Chunguang Xu,Chao Yang (Chinese Academy of Agricultural Engineering,Beijing,China;School of Mechanical Engineering,Beijing Institute of Technology,Beijing,China;School of Mechanical Engineering,Beijing Institute of Technology,Beijing,China)
出处: 2016远东无损检测新技术论坛 2016
会议录: 2016远东无损检测新技术论坛论文集
关键词: Variable-thickness;curved surface;wavelet transform;acoustic nondestructive
摘要: Variable-thickness curved components,which always causes serious accidents and great economic losses because of surface and subsurface defects,have be ...