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Generating Parametric Gn Blending Surface with Some Constraints

Qiu-zhi SONG, Quan-hui DAI, Li-ping CHEN, Yi-fang ZHONG
2003 Chinese Journal of Aeronautics  
T he contact curv es ar e used as the bo undar ies of the repar ameterized par tial r eg ion r espectively .  ...  When the G n blending sur face with some constr aints is generated, the part ial reg ion near co nt act curves in both base surfaces is repar ameterized, and the scale factors, offset, balance factor and  ...  , , rolling-ball blends. Chio and Ju described t he constant -radius rolling-ball blends [ 1] . Chuang and Hw ang described the variable-radius rolling-ball blends [ 2] .  ... 
doi:10.1016/s1000-9361(11)60213-6 fatcat:knakyuwcgbggjlxift4f6nkt3q

Progress of Flake Powder Metallurgy Research

Behzad Sadeghi, Pasquale Cavaliere
2021 Metals  
This paper reviewed several recent progresses of the new powder metallurgy technology known as flake powder metallurgy (FPM) including different processing routes, conventional FPM (C-FPM), slurry blending  ...  (SB), shift-speed ball milling (SSBM), and high-shear pre-dispersion and SSBM (HSPD/SSBM).  ...  Specifically, LSBM allowed for mild ball-to-powder contact and very slow flattening of spherical metal powders into flake-shaped powders.  ... 
doi:10.3390/met11060931 fatcat:hsks762phzduxapetjguvljvp4

Nanocarbon Reinforced Rubber Nanocomposites: Detailed Insights about Mechanical, Dynamical Mechanical Properties, Payne, and Mullin Effects

Suneel Srivastava, Yogendra Mishra
2018 Nanomaterials  
Finally, Payne and Mullin effects have also been reviewed in rubber filled with different carbon based nanofillers.  ...  In view of this, the present review article describes the different methods used in preparation of different rubber nanocomposites reinforced with nanodimensional individual carbonaceous fillers, such  ...  NR MWCNT Solution method SEM: Contact between Fe 3 O 4 and MWNTs increases with the increasing filling fraction of particle.  ... 
doi:10.3390/nano8110945 pmid:30453541 pmcid:PMC6266093 fatcat:mvozijm6ynesdoureqnheyu4lq

A Study on the Tribological Performance of Nanolubricants

Yeoh Jun Jie Jason, Heoy Geok How, Yew Heng Teoh, Hun Guan Chuah
2020 Processes  
In recent years, the tribology field has expanded with the advent of nanolubrication.  ...  Rolling Effect Additionally known as the ball-bearing effect, normally the spherical or quasi-spherical nanoparticles act as ball bearings that roll between the contact surface and convert sliding friction  ...  Rolling Effect Additionally known as the ball-bearing effect, normally the spherical or quasi-spherical nanoparticles act as ball bearings that roll between the contact surface and convert sliding friction  ... 
doi:10.3390/pr8111372 fatcat:ngix3kmk5zbnrpbvsngcmkkqwu

High Performance Polymer Composites: A Role of Transfer Films in Ensuring Tribological Properties—A Review

Sergey V. Panin, Vladislav O. Alexenko, Dmitry G. Buslovich
2022 Polymers  
The fourth section summarizes information on flat contacts.  ...  The review includes three key sections, divided according to the tribological contact schemes regardless of the polymer matrix.  ...  and by 50% under the sliding-rolling ones.  ... 
doi:10.3390/polym14050975 pmid:35267795 pmcid:PMC8912496 fatcat:q2kq3fxpkjbxvknibnjsnyuhtm

Modification of Alkali Lignin with Poly(Ethylene Glycol) Diglycidyl Ether to Be Used as a Thickener in Bio-Lubricant Formulations

Esperanza Cortés-Triviño, Concepción Valencia, Miguel Delgado, José Franco
2018 Polymers  
In this work, alkali lignin (AL) was chemically modified with poly(ethylene glycol) diglycidyl ether (PEGDE).  ...  It was found that the viscosity, consistency and viscoelastic functions of these oleogels clearly increased with the epoxy index of the epoxide-modified lignin compound.  ...  The ball was fixed to avoid rolling and slides on the three plates.  ... 
doi:10.3390/polym10060670 pmid:30966704 pmcid:PMC6404134 fatcat:apkqerb7obbn5im4my2znqexoe

Synthesis of conducting graphene/Si3N4 composites by spark plasma sintering

Cristina Ramírez, Sofia M. Vega-Diaz, Aaron Morelos-Gómez, Filipe M. Figueiredo, Mauricio Terrones, Maria Isabel Osendi, Manuel Belmonte, Pilar Miranzo
2013 Carbon  
This single-step process also prevents the formation of highly curved graphene sheets during the thermal treatment as the sheets are homogeneously embedded in the ceramic matrix.  ...  The reduction of GO occurs together with the composite densification in SPS, thus avoiding the implementation of additional reduction steps.  ...  In fact, conductivity values of the same order of that measured for our composites with rGO ($1 S cm À1 ) were reported for a graphene nanosheet (GNS)/Al 2 O 3 composite with 4 vol.% GNS obtained by exfoliating  ... 
doi:10.1016/j.carbon.2013.02.015 fatcat:ovufhkrujfd6nnjmpj4orglzzu

Friction Studies on Rubberlike Materials

F. S. Conant, J. W. Liska
1960 Rubber chemistry and technology  
IN: THIS REGION THIS REGION FRICTIONAL RESISTANCE ' VELOCITY OF CREEP ' ROLLING VELOCITY OF ROLLING COMPLETE WITHOUT SLIDING CREEP Fia. 4.—Suggested form of friction curve for rolling tires.  ...  The results, given in Figure 1, show that the coefficient of rolling friction \ depends on the retardation time 7 (ratio of internal friction 7 to dynamic modulus G) the speed of rolling s and the ball  ... 
doi:10.5254/1.3542245 fatcat:za3qkkhnxffc3oau7kuksipf4y

Flame retardancy of polymer–clay nanocomposites [chapter]

A. Dasari, G.-P. Cai, Y.-W. Mai, Z.-Z. Yu
2010 Physical Properties and Applications of Polymer Nanocomposites  
The authors detail the strength and structural properties of specimens prepared with different tool types, revealing the crucial role of tool geometry in the quality of the welding.  ...  in rolling-/sliding contact.  ...  As a major result, all reinforced polymer materials show an insufficient suitability in rolling-sliding contact, as compared with the unfilled materials.  ... 
doi:10.1533/9780857090249.2.347 fatcat:crmu5ungdbewflg2hri2kfuuke

An Overview of the Recent Developments in Metal Matrix Nanocomposites Reinforced by Graphene

Mehran Dadkhah, Abdollah Saboori, Paolo Fino
2019 Materials  
Two-dimensional graphene plateletes with unique mechanical, electrical and thermo-physical properties could attract more attention for their employed as reinforcements in the production of new metal matrix  ...  recent research into the development in the powder-based production, property characterization and application of magnesium, aluminum, copper, nickel, titanium and iron matrix nanocomposites reinforced with  ...  contact during the sintering process.  ... 
doi:10.3390/ma12172823 pmid:31480703 pmcid:PMC6747968 fatcat:oo3pt5n5bvdqdfqsiqzkpczc7m

Carbon-Based Composite Phase Change Materials for Thermal Energy Storage, Transfer, and Conversion

Xiao Chen, Piao Cheng, Zhaodi Tang, Xiaoliang Xu, Hongyi Gao, Ge Wang
2021 Advanced Science  
Although ball milling treatment shortened the length of the MWCNTs, it also increased the number of random contacts between CNTs and the interfacial thermal resistance.  ...  The authors proposed three contact types between EG and CFs: point contact, line contact, and face contact (Figure 14a) .  ... 
doi:10.1002/advs.202001274 pmid:33977039 pmcid:PMC8097397 fatcat:ydolpylbbzbtbg7v6o6v4k5yhq

A review on graphene based transition metal oxide composites and its application towards supercapacitor electrodes

Syed Zakir Hussain, Muhammad Ihrar, Syed Babar Hussain, Won Chun Oh, Kefayat Ullah
2020 SN Applied Sciences  
The layered materials offer mostly atomically thin 2D plane to the charge carrier with superior conducting properties.  ...  The composites of graphene with the same morphological materials such as layered transition metal oxides will be the most aspiring combination to boost their conducting, optoelectronic and mechanical properties  ...  Also roll to roll method with microwave assisted CVD technique is used to produce large scale composites, but due to its less efficiency it is not that much reliable.  ... 
doi:10.1007/s42452-020-2515-8 fatcat:2uvkwnj7prbpncqh5p4an5exiu

Nonlinear Electrical Conduction in Polymer Composites for Field Grading in High-Voltage Applications: A Review

Alejandro Can-Ortiz, Lionel Laudebat, Zarel Valdez-Nava, Sombel Diaham
2021 Polymers  
Polymer composites, functionalized with conductive or semiconductive particles, can allow us to reduce the electric field, thus grading the field within the system.  ...  To alter the distribution of SiC particle sizes, a ball milling process was conducted using an impact grinder for up to 30 min with 15-mm diameter balls in a crucible.  ...  To alter the distribution of SiC particle sizes, a ball milling process was conducted using an impact grinder for up to 30 min with 15-mm diameter balls in a crucible.  ... 
doi:10.3390/polym13091370 pmid:33922186 fatcat:jpb3lgtiofchrc53bfi2dkcpom

A review on the application of iron(III) fluorides as positive electrodes for secondary cells

Donato E. Conte, Nicola Pinna
2014 Materials for Renewable and Sustainable Energy  
By reaction with lithium, transition metal fluorides such as MnF 3 , FeF 3 , CoF 3 or CuF 2 , can be reduced to the respective zero valent metal/LiF mixture with resulting high theoretical capacities ranging  ...  The analyzed commercially available iron trifluoride was ball-milled with carbon.  ...  /Li at 0.5°C rate) and so a ball-milling treatment with acetylene black was carried out.  ... 
doi:10.1007/s40243-014-0037-2 fatcat:jakw3lzumbcu7merqkehvu6xlu

Recent advances in graphene‐based materials for fuel cell applications

Hanrui Su, Yun Hang Hu
2020 Energy Science & Engineering  
graphene-based materials incorporated in polymer membranes further improve the ionic conductivity and minimize crossover of fuels. 6 Graphene-based materials are promising as proton-exchange membranes with  ...  to the ISI Web of Knowledge search, we found thousands of papers combining the topics of graphene and fuel cells published each year after 2016, which deserve a comprehensive review to keep up to date with  ...  Roll-to-roll process, on-site polymerization, flash Joule heating method, and alkaline metal technologies are promising for scalable manufacturing of high-quality 2D and 3D graphene. 30, 158 With the  ... 
doi:10.1002/ese3.833 fatcat:mdjtejet6jd75of2g27cttta2q
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