SURFACE_ROUGHNESS

作品数：447被引量：917H指数：11
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  • 期刊=Transactions of Nanjing University of Aeronautics and Astronauticsx
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Optimization of Molten Salt Cleaning Process for Surface Roughness of Remanufactured 27SiMn Hydraulic Support Column
《Transactions of Nanjing University of Aeronautics and Astronautics》2020年第3期460-466,共7页XIN Benli SUN Yihang JIA Xiujie LI Fangyi WANG Xing XIONG Sheng MA Mingliang ZHANG Baocai 
supported by the National Natural Science Foundation of China(No.51375278)。
During molten salt cleaning of remanufactured 27SiMn hydraulic support column,oxidation occurs on the surface of metal substrate.This results in a change of the surface roughness of metal substrate after cleaning,whic...
关键词：surface roughness molten salt cleaning hydraulic support column central composite experimental design REMANUFACTURING 
Chip Formation Mechanism of Deep?Hole Gun Drilling of Ti6Al4V Titanium Alloy被引量：1
《Transactions of Nanjing University of Aeronautics and Astronautics》2020年第1期164-174,共11页LI Liang HE Ning XUE Hu 
supported in part by the National Natural Science Foundation of China (No. 51505409);the Jiangsu Postgraduate Research and Practice Innovation Program (SJCX18_0884).
During the process of deep?hole gun drilling,the shape of the chip is a significant factor affecting the final quality.The relationship between chip forming mechanism and process parameters has always been a complicat...
关键词：gun drill titanium alloy chip deformation surface roughness 
Dissolution Characteristics of New Titanium Alloys in Electrochemical Machining被引量：3
《Transactions of Nanjing University of Aeronautics and Astronautics》2016年第5期610-619,共10页Chen Xuezhen Zhu Dong Xu Zhengyang Liu Jia Zhu Di 
supported by the National Natural Science Foundation of China(No.51205199);the Program for New Century Excellent Talents in University (No.NCET12-0627);the Funding of Jiangsu Innovation Program for Graduate Education (No.CXLX13_141);the Fundamental Research Funds for the Central Universities
We focus on the electrochemical dissolution characteristics of new titanium alloys such as near-αtitanium alloy Ti60,α+βtitanium alloy TC4andβtitanium alloy Ti40 which are often used for aerospace industry.The exp...
关键词：electrochemical machining(ECM) titanium alloy substitutional element electrochemical equivalent surface roughness 
PREDICTION OF SURFACE ROUGHNESS FOR END MILLING TITANIUM ALLOY USING MODIFIED PARTICLE SWARM OPTIMIZATION LS-SVM被引量：1
《Transactions of Nanjing University of Aeronautics and Astronautics》2013年第1期53-61,共9页刘春景 唐敦兵 何华 陈兴强 
Supported by the National Natural Science Foundation of China(51175262);the Trans-century Training Programme Foundation for the Talents of Humanities and Social Science by the State Education Commission(NCET-08);the Excellent Youth Foundation of Anhui Provincial Colleges and Universities(2010SQRL117);Anhui Provincia lNatural Science Foundation(1308085ME65);Jiangsu Province Science Foundation for Excellent Youths(BK201210111);Jiangsu Province Industry-Academy-Research Grant(BY201220116)
It is difficult to construct the prediction model for titanium alloy through analyzing the formation mechanism of surface roughness due to the complicated relation between influential factors and surface roughness.A n...
关键词：titanium alloy cutting parameter surface roughness prediction modeling modified PSO LS-SVM 
ANALYSIS ON SURFACE INTEGRITY DURING HIGH SPEED MILLING FOR NEW DAMAGE-TOLERANT TITANIUM ALLOY被引量：11
《Transactions of Nanjing University of Aeronautics and Astronautics》2012年第3期222-226,共5页史琦 何宁 李亮 赵威 刘晓丽 
Supported by the National Natural Science Foundation of China(50975141);the National Scienceand Technology Major Project(2010ZX04012-042);the Aeronautical Science Foundation(2010352005)~~
Surface integrity of a new damage-tolerant titanium alloy （TC21）, including surface roughness, microhardness and metallurgical structure is investigated when normal and high speed milling are used at different tool ...
关键词：surface integrity surface roughness MICROHARDNESS high speed milling 
NONLINEAR EVOLUTION OF TWO-DIMENSIONAL T-S WAVE IN LOCALIZED ROUGH BOUNDARY LAYER
《Transactions of Nanjing University of Aeronautics and Astronautics》2009年第3期192-198,共7页陆昌根 吴卫国 戚琴娟 
Supported by the National Natural Science Foundation of China(10872097);the Natural Science Foundation of Jiangsu Province(BK2007178);Science Foundation of Nanjing University Information Science & Technology(20080101)~~
Numerical simulations are carried out to investigate the mechanism of the nonlinear evolution of two- dimensional （2-D） Tollmien-Schlichting （T-S） wave on a localized rough boundary layer. The three-dimensional （...
关键词：surface roughness boundary layers 2-D T-S wave 
NONLINEAR EFFECT OF LOCAL ROUGH WALL ON LARGE EDDY STRUCTURE IN BOUNDARY LAYER
《Transactions of Nanjing University of Aeronautics and Astronautics》2008年第3期194-200,共7页陆昌根 曹卫东 张艳梅 
the National Natural Science Foundation of China(10672052);the Natural Science Foundation of Jiangsu Province(BK2007178)~~
Based on the building of a theoretical model for the large eddy structure, the nonlinear effect of the local rough wall on the large eddy structure in the boundary layer is studied by direct numerical simulation. Nume...
关键词：surface roughness boundary layers large eddy structure 
SURFACE ROUGHNESS EVOLUTION AND FORMABILITY OF INTERSTITIAL FREE SHEET STEEL TO GRAIN SIZE AND SHEET THICKNESS被引量：1
《Transactions of Nanjing University of Aeronautics and Astronautics》1999年第2期200-203,共4页高霖 童国权 郭勇 
Experimental study has been conducted for an interstitial free(IF) sheet steel on its surface roughness evolution and formability with respect to grain size and sheet thickness effect. The surface roughness of IF she...
关键词：surface roughness PLASTICITY grain size FORMABILITY 
MACHINING OF METAL MATRIX COMPOSITES被引量：3
《Transactions of Nanjing University of Aeronautics and Astronautics》1995年第2期161-167,共7页徐九华 左敦稳 杨明达 
Two types of aluminium-based composites reinforced respectively with 20 vol short fibre alumina and with a hybrid of 15 vol SiC particle and 5 vol short alumina fibre are machined with different tool materials:cemente...
关键词：MACHINING cutting force surface roughness metal matrix composite tool wear 
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