共搜索到14830条信息，每页显示10条信息，共1483页。用时：0小时0分0秒454毫秒
Electrical Resistance and Microstructure of Latex Modified Carbon Fiber Reinforced Cement Composites魏剑College of Materials Mineral Resources,Xi’an University of Architecture and Technology摘 要:The electrical resistance,flexural strength,and microstructure of carbon fiber reinforced cement composites(CFRC) were improved greatly by adding water......
Mechanical Behavior and Failure Mechanisms of Carbon Fiber Composite Pyramidal Core Sandwich Panel after Thermal ExposureJiayi Liu,Zhengong Zhou,Linzhi Wu,Li MaCenter for Composite Materials... mechanisms of carbon fiber composite sandwich panel with pyramidal truss core under axial compression.Analytical formulae for the collapse strength of composite sandwich panel after thermal exposure were......
National Carbon Fiber Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, China摘 要:Polyacrylonitrile (PAN) based carbon...)) increased as increasing current density. The disordered structures on the surface of carbon fiber with rough surface increased at the initial oxidation stage and then removed by further......
Interface and thermal expansion of carbon fiber reinforced aluminum matrix composites ZHANG Yun-he(张云鹤)1, WU Gao-hui(武高辉)2 1. School of Mechanical and Electrical Engineering, Northeast Forestry... kinds of unidirectional PAN M40 carbon fiber (55%, volume fraction) reinforced 6061Al and 5A06Al composites were fabricated by the squeeze-casting technology and their interface structure and thermal......
construction and development of society, and such material is characterized by ultra-fine grain. In this paper, 400MPa class plain carbon structure steel has been studied, making its yield strength...The Study on 400 MPa Class Plain Carbon Structure Steel DU Lin-xiu1,WANG Guo-dong1,LI Wei-juan2,ZHANG Hong-mei2,LI Sheng-li2 (1.State Key Lab of Rolling and Automatic, Northeastern University......
Article ID: 1003-6326(2005)05-1045-04 Preparation of carbon nanotube composite material with metal matrix by electroplating AN Bai-gang(安百刚)1, 2, LI Li-xiang(李莉香)2, LI Hong-xi(李洪锡)1 (1. State Key... and Technology, Anshan 114044, China) Abstract: It is demonstrated that the nickel can be deposited directly on the surface of carbon nanotubes without pre-sensitization by Sn2+ and Pd2+ in a watt......
Article ID: 1003-6326(2005)02-0300-06 Effect of multi-walled carbon nanotubes on tribological properties of lubricant CHEN Chuan-sheng(陈传盛), CHEN Xiao-hua(陈小华), HU Jing(胡 静), ZHANG Hua(张... of sulfuric acid and nitric acid, the multi-walled carbon nanotubes(MWNTs) were modified with stearic acid(SA). The modified carbon nanotubes as lubricant additive were utilized to prepare lubricant......
double linear strain distribution assumption of RC beam strengthened with external-bonded or near-surface mounted fiber reinforced plasticRen Zhen-hua (任振华) 1, Liu Han-long (刘汉龙) 1, Zhou feng-jun (周丰... of the Headquarters of the General Staff, Beijing 100850, China)Abstract:Rehabilitation of existing structures with fiber reinforced plastic (FRP) has been growing in popularity because they offer superior......
STUDY ON THE ELECTRICAL PROPERTIES OF CARBON FIBER-CEMENT COMPOSITE (CFCC)水中和,李继忠,黄凤萍,杨德坡摘 要:<正>The relationship between the resistivity ofCarbon Fiber-Cement Composite(CFCC)and the content offiber has been discussed in this paper.The results show if theweight percentage of carbon fiber increases from 0.4% to 1.2%,the resistivity of CFCC changes......
reinforced concrete, steel fiber, carbon fiber and synthetic polyvinyl alcohol (PVA) fiber reinforced concrete were researched. The results show that with the increase of fiber volume fraction, the SE.... Moreover, in the range of 8-18 GHz, steel fiber, carbon fiber and PVA fiber all can improve the microwave absorption properties of concrete. The concrete with 0.5% carbon fiber can achieve the best......
