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Opendata, web and dolomites

FricLess SIGNED

A seamless multi-scale model for contact, friction, and solid lubrication

Total Cost €

EC-Contrib. €

Partnership

Views

Outcomes and
results

FricLess project word cloud

Explore the words cloud of the FricLess project. It provides you a very rough idea of what is the project "FricLess" about.

metal dependent gross rough hold concurrent roughness industrialised friction length occurring scales phenomenological lubrication wear layer enormous sliding de miniaturisation describing essentially dimensional acting seamless time accuracy simulation plastic model nowadays lies lubricating liable deceivingly size layers chosen energy micro simultaneously adhesion components mechanisms promise lubricated lubricant realistic lubricants graphene reduce contact atomic complete modern stress dislocation deformation materials atomistic picture bottleneck phenomena nucleation depends losses broadly controls bodies first urgency few society copper metals instead macro physical countries critical nano environmental power solution unprecedented smaller solid accounting 3 builds domestic graphite surfaces interplay capability

Project "FricLess" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITA DEGLI STUDI DI PADOVA Organization address address: VIA 8 FEBBRAIO 2 city: PADOVA postcode: 35122 website: www.unipd.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Italy [IT]
Total cost	1˙999˙985 €
EC max contribution	1˙999˙985 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-CoG
Funding Scheme	ERC-COG
Starting year	2016
Duration (year-month-day)	from 2016-06-01 to 2022-11-30

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITA DEGLI STUDI DI PADOVA UNIVERSITA DEGLI STUDI DI PADOVA Organization address address: VIA 8 FEBBRAIO 2 city: PADOVA postcode: 35122 website: www.unipd.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (PADOVA)	coordinator	1˙819˙985.00
2	TECHNISCHE UNIVERSITEIT DELFT TECHNISCHE UNIVERSITEIT DELFT Organization address address: STEVINWEG 1 city: DELFT postcode: 2628 CN website: www.tudelft.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	NL (DELFT)	participant	180˙000.00

Map

Project objective

Friction and wear are liable for enormous losses in terms of energy and resources in modern society. Costs related to unwanted friction in industrialised countries are estimated to be about 3% of the gross domestic product. Urgency is even greater nowadays as friction between micro-components has become the bottleneck of several applications for which miniaturisation is critical.

Lubrication is a commonly adopted solution to reduce friction. Graphite is a broadly used solid lubricant for large scale applications, while the lubricating properties of a few-layers graphene hold great promise especially for smaller scale applications. At present, our knowledge of the friction and lubrication of rough surfaces is essentially phenomenological. This is because friction is only deceivingly a simple mechanisms, which instead requires understanding of physical phenomena simultaneously acting at different length scales. The change in contact size, which controls the friction stress, depends on nano-scale phenomena such as atomic de-adhesion, sliding, dislocation nucleation in metals, but also on micro- and macro-scale phenomena as (size-dependent) plastic deformation.

The objective of this proposal is to reach an unprecedented understanding of metal friction and lubrication by accounting, for the first time, for all relevant phenomena occurring from the atomic to the macro-scale, and their interplay. To this end, a seamless concurrent multi-scale model will be developed. The power of this new model lies in its capability of describing three-dimensional bodies with realistic roughness in sliding lubricated contact, with the accuracy of an atomistic simulation.

This research builds towards a complete picture of metal friction and lubrication. The materials chosen for the proposed research are copper and multi-layer graphene. However, the model that will be developed is general and can be used to study different materials, lubricants and environmental conditions.

Publications

List of publications.
year	authors and title	journal	last update
2018	J. S. van Dokkum, M. Khajeh Salehani, N. Irani, L. Nicola On the Proportionality Between Area and Load in Line Contacts published pages: , ISSN: 1023-8883, DOI: 10.1007/s11249-018-1061-7	Tribology Letters 66/3	2019-05-10
2017	Parayil Venugopalan, S.; Mueser, Martin H.; Nicola, L. Green\'s function molecular dynamics meets discrete dislocation plasticity published pages: , ISSN: 0965-0393, DOI: 10.1088/1361-651X/aa7e0e	Modelling and Simulation in Materials Science and Engineering 1	2019-05-10
2018	S.P. Venugopalan, L. Nicola Indentation of a plastically deforming metal crystal with a self-affine rigid surface: A dislocation dynamics study published pages: , ISSN: 1359-6454, DOI: 10.1016/j.actamat.2018.10.020	Acta Materialia	2019-05-10
2017	Syam P Venugopalan, Lucia Nicola, Martin H MÃ¼ser Greenâ€™s function molecular dynamics: including finite heights, shear, and body fields published pages: 34001, ISSN: 0965-0393, DOI: 10.1088/1361-651X/aa606b	Modelling and Simulation in Materials Science and Engineering 25/3	2019-06-18

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The information about "FRICLESS" are provided by the European Opendata Portal: CORDIS opendata.