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Low-Surface-Energy Capped Hydrogel Micropillar Arrays for Transparent Superhydrophobic Antifogging Surfaces. [PDF]

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Kim H, Lee H.
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Numerical simulation of cold roll-forming processes

Journal of Materials Processing Technology, 2008
3D finite element analysis is employed to simulate a cold roll-forming process. Numerical results of longitudinal strains and displacement trajectories are compared with experimental results available in the literature. Through a parametrical study, significant impacts of the yield limit and the work-hardening exponent on the product quality are ...
J P Ponthot
exaly   +3 more sources

The effects of forming parameters on the cold roll forming of channel section

Thin-Walled Structures, 2015
Cold roll forming is one of the complex forming processes which quality of products is highly dependent on the process parameters. In this study the effect of some roll forming parameters of channel section are investigated on the edge longitudinal strain and bow defect of products.
R Safdarian, H Moslemi Naeini
exaly   +2 more sources

Simulation of the cold-roll forming of circular tubes

Journal of Materials Processing Technology, 1999
Abstract The approach developed in a previous paper for the simulation of the cold-roll forming of elasto-plastic materials is applied here for circular tubes. The main idea is to consider the sheet to be transformed as a thin shell and its middle surface as a Coons patch. Since the strains and rotations are finite, the material is supposed to follow
G. Nefussi, L. Proslier, P. Gilormini
exaly   +2 more sources

Influence of cold-rolling on incremental sheet forming of polycarbonate

Materials and Manufacturing Processes, 2020
ABSTRACTSince product customization is becoming more and more popular, high process flexibility is required in many industrial sectors.
Durante M., Formisano A., Boccarusso L., Langella A.   +3 more
openaire   +2 more sources

The prediction of roll load in cold roll-forming

Journal of Mechanical Working Technology, 1987
Abstract Due to the inherent complexity of the cold roll-forming process, machine design procedures have remained highly empirical. There is little information available on the calculation of roll load, though a prior knowledge of this load is essential for the optimum design of the roll stands and the smooth forming of the strip.
D. Bhattacharyya, P.D. Smith, S.K. Thadakamalla, I.F. Collins   +3 more
openaire   +1 more source

Automating the Design of Cold Roll Forming Roll Sets

Key Engineering Materials, 2009
The design of cold roll forming roll tools, roll geometry and the number of tool sets, can typically be referred to as experiential design. Within a multi-occupant design office there will normally, for the same sectional profile, be as many different designs as there are designers.
Diane J. Mynors, Martin English, Michael Castellucci   +2 more
openaire   +1 more source

The optimisation of cold rolled formed products

Thin-Walled Structures, 1997
The design, development and analysis of a new cold roll formed product is presented. The objective of this exercise is to produce an economic and efficient profile which incorporates the basic C shape, with additional enhancements to improve its structural performance. A new sectional properties computer program was employed to analyse the profile. The
M.A. Castellucci, I. Pillinger, P. Hartleya, G.T. Deeley   +3 more
openaire   +1 more source

Prediction of Roll Profile Wear in the Cold Roll Forming Process

Key Engineering Materials, 2009
This paper presents a model for prediction of forming roll profile wear during the cold roll forming process. The method is based on contact pressure distribution, geometrical description of the initial forming roll profile and NURBS representation of the contact area.
Galakhar, A., Daniel, W.J.T., Meehan, P.A.   +2 more
openaire   +2 more sources

Development in Cad for Cold Roll Forming

1986
In order to estimate the number of roll passes necessary to form the light gage steels for general structure, relation between the shape factor and the number of roll passes for various sections is investigated by arranging the data collected from several companies.
H. Ona, T. Jimma, H. Kozono, T. Nakako
openaire   +1 more source