[会议论文] 2007年安徽节能减排博士科技论坛 - 2007
筋板类构件在航天、航空领域有着十分广泛的应用。铝的密度仅为钢的密度1/3,铝型材筋板类件应用在航天航空领域,可以达到节能减耗作用。用挤压成形工艺方案成形铝型材筋类件,相对于传统切削工艺,可以降低能耗提高工效,...
[会议论文] 传承、创新、智慧与合作:首届物流工程国际会议 - 2012
由于对公众健康和安全以及环境保护等问题的日益重视,皮带运输中的粉尘控制问题变得越来越重要.而其中无须消耗额外能量的被动粉尘控制技术受到了广泛的关注.本文中对现有的几种输送溜槽的辅助设计方法进行了简单的评述...
[会议论文] 2011年全国失效分析学术会议 - 2011
随着我国铁路提速重载运输的发展,货车车轮踏面承受的热负荷作用越来越大,并由此产生较为严重的踏面热裂纹及剥离掉块等相关伤损.通过分析货车车轮踏面热裂纹产生机理,结合现场观察到的车轮踏面热裂纹位置和形态,建立了...
[会议论文] 2011年全国失效分析学术会议 - 2011
通过成分分析、硬度测量、金相组织检验和裂纹断口扫描电镜观察,分析了某汽包环焊缝裂纹性质与原因.结果显示,裂纹断口上可观察到疲劳台阶;裂纹尖端可观察到Z字形扩展路径;裂纹断面上未观察到结晶裂纹和腐蚀裂纹特征形...
[会议论文] 2011年全国失效分析学术会议 - 2011
火力发电所用的锅炉、压力容器及管道等(简称电站承压设备)是一套复杂的特种设备系统,也是直接影响火力发电能否高可靠、连续、长寿命运行的关键设备.火力发电是一个高风险的行业,其安全管理关系到人的生命和国家财产的...
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
In order to overcome the characteristics of uncertainty and incomplete information of fault attribute in searching for fault,a new fault search method based on the fault tree and grey fuzzy multi-attr
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
In order to suppress the surplus torque and improve loading precision of Electro-Hydraulic Load Simulator (EHLS),a new scheme for eliminating surplus torque-"velocity closed-loop synchronization"is pr
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
The flow characteristics research on fluid coupling has great important meanings to raise its performance.In order to study the three-dimensional flow characteristics of fluid coupling,the internal fl
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
Within the research field of harvesting the energy of ocean waves,fluid power has been identified as a crucial technology in the Power Take-Off(PTO)design,due to the high torque densities required in
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
In order to quantitative research on internal leakage of high precision Vane Swing Hydraulic Motor,the author considers the hydraulic motor deformation caused by differential pressure.The deformation
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
In this paper,k-εmodel,RNG k-εmodel and k-ω model were used for non-contact swirl sucker to the three-dimensional numerical simulation.Block division technology was used for meshing non-contact swi...
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
Through the experimental study of Hydraulic Control System by 6800KN Brick Press we obtain the displacement,pressure, characteristic curve about the up and down main cylinders and floating box cylinde
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
Fluid Power is the drive solution when huge forces or torques need to be controlled even with challenging dynamic requirements.This Paper focuses on research results covering the range of innovations
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
The flow between two concentric cylinders with the inner cylinder rotating with an imposed radial temperature gradient was studied using a digital particle image velocimetry method.Two outer cylinders
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
Based on the theory of fuzzy mathematics to describe working conditions of the system,which combined with experiments,to be a calculation method with membership function of normal distribution.It was
[会议论文] 2011 International Conference on Fluid Power and Mechatronics - 2011
In order to solve the conflict between compensation effect and power consumption of heave compensation system which installed on floating drilling platform,a new type of drill string heave compensatio
[会议论文] 2009年全国失效分析学术会议 - 2009
原子发射光谱分析广泛地应用于冶金、地质、环境、半导体、材料等领域中各种微量元素的分析,具有检出限低、可多元素同时分析等优点,我国每年从国外进口了数百台包括直读光谱、ICP光谱在内的原子发射光谱仪器.为了提高...
[会议论文] 2009中国铸造活动周 - 2009
本文介绍了用一台混砂机交替混制石英砂树脂砂和铬铁矿树脂砂的方法,给出了混制工艺和材料参数,并给出了应用实例.
[会议论文] 2009中国铸造活动周 - 2009
本文采用复合锶盐对AS41合金进行变质处理,以实现Sr对合金的变质作用.试验显示,复合锶盐变质处理时分解出的Sr离子对合金中Mg2Si有良好的变质作用,促使其由枝晶状变为均匀分布的颗粒状,颗粒状Mg2Si能够钉扎位错,延缓裂...
[会议论文] 2009中国铸造活动周 - 2009
以ZA27合金为对象,在熔体保温条件下,研究了超声波功率对ZA27合金凝固组织及力学性能的影响规律.利用金相显微镜、扫描电镜对试样显微组织、断口形貌进行了观察;并测试了试样的硬度、磨损性能和冲击韧性.实验结果表明:...