National Key Research and Development Program of China(Grant No.2018YFA0702900);Science Challenge Project of China(Grant No.TZ2016006);National Natural Science Foundation of China(Grant No.51975096)。
Double-sided lapping is an precision machining method capable of obtaining high-precision surface.However,during the lapping process of thin pure copper substrate,the workpiece will be warped due to the influence of r...
the National Key Research and Development Program(Grant No.2018YFA0702900);the Science Challenge Project(Grant No.TZ2016006);the National Natural Science Foundation of China(Grant No.51975096).
High-precision manufactured thin-walled pure copper components are widely adopted in precision physics experiments,which require workpieces with extremely high machining accuracy.Double-sided lapping is an ultraprecis...
supported by National Natural Science Foundation of China (Grant No.51175468,U1401247);Public Welfare Industry Project of Zhejiang Provincial Science and Technology Department (Grant no.20160069)
Cylindrical rollers are important elements of bearings,and their machining accuracy and consistency affect the bearing quality.Using a GCr15 cylindrical roller ofФ11×12 as the processing object in this study,the eff...
Project(JCKY2016212A506-0503) supported by the Science Challenge Project of China;Project(51475106) supported by the National Natural Science Foundation of China
Subsurface defects were fluorescently tagged with nanoscale quantum dots and scanned layer by layer using confocal fluorescence microscopy to obtain images at various depths. Subsurface damage depths of fused silica o...
supported by the National Natural Science Foundation of China(No.51375237);the Postdoctoral Science Foundation of China(No.2015T80547)
The subsurface damage(SSD)layers of monocrystalline germanium wafers lapped by three different ways were measured and compared by the method of nanoindentation and micro morphology.Three ways such as ice-fixed abrasiv...
supported by the National Nature Science Foundation of China(No.51275230);NUAA Research Funding(No.kfjj20150507);Six Talent Peak of Jiangsu(No.ZBZZ-002);the Funding of Jiangsu Innovation Program for Graduate Education(No.KYLX_0227);the Fundamental Research Funds for the Central Universities
Micro-diamond films were prepared on YG6 substrate by hot filament chemical vapor deposition method.An innovative micro-diamond coated tool was used to the lap sapphire wafer.The effect of load,rotating speed,and lapp...
supported by the Science Foundation of Aviation(No.2014ZE52055);the National Science Foundation of China(No.51675276);the Funding of Jiangsu Innovation Program for Graduate Education(No.KYLX_0231);the Fundamental Research Funds for the Central Universities
The prediction of indentation depth of abrasive grain in hydrophilic fixed-abrasive(FA)lapping is crucial for controlling material removal rate and surface quality of the work-piece being machined.By applying the theo...
Let's be honest:how many restaurants or bars here in Guangzhou truly listen when you offer feedback and work hard to effect positive change?It's rare,of course-especially in a city of 13 million-but that's just what T...
Supported by National Natural Science Foundation of China(Grant No.51275062);Open Foundation of Tsinghua University State Key Laboratory of Tribology of China(Grant No.SKLTKF11B08)
As the two most important indexes of bearing raceway, surface roughness and roundness have significant influence on bearing noise. Some researchers have carried out studies in this field, however, reason and extent of...