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IDERPLANE SIGNED

Innovative DEsign for Reliable PLANEt bearings

Total Cost €

EC-Contrib. €

Partnership

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IDERPLANE project word cloud

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

area stress planet rcf happens special epicyclical spalling strength components mode sub subjected tolerance designed grey critical insa rolling stresses bi reproduce fatigue gear catastrophic damage extensive micro size subsurface reached of bearing gears data unicity transmissions modern failures turbofans load power disks unfortunately crack difficult specimens analyze measuring meant idea follow iderplane route trains once containing polimi propagation usual shear experiments spalls race cracks unibs obtain efficient wheels incidentally track shown contact severe emphasized surface speed propagate starting rails risk curves

Project "IDERPLANE" data sheet

The following table provides information about the project.

Coordinator	POLITECNICO DI MILANO Organization address address: PIAZZA LEONARDO DA VINCI 32 city: MILANO postcode: 20133 website: www.polimi.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	761˙593 €
EC max contribution	749˙968 € (98%)
Programme	1. H2020-EU.3.4.5.1. (IADP Large Passenger Aircraft)
Code Call	H2020-CS2-CFP07-2017-02
Funding Scheme	CS2-IA
Starting year	2018
Duration (year-month-day)	from 2018-11-01 to 2021-10-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	POLITECNICO DI MILANO POLITECNICO DI MILANO Organization address address: PIAZZA LEONARDO DA VINCI 32 city: MILANO postcode: 20133 website: www.polimi.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 (MILANO)	coordinator	254˙375.00
2	UNIVERSITA DEGLI STUDI DI BRESCIA UNIVERSITA DEGLI STUDI DI BRESCIA Organization address address: PIAZZA MERCATO 15 city: BRESCIA postcode: 25121 website: www.unibs.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 (BRESCIA)	participant	273˙125.00
3	INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON Organization address address: 20 AVENUE ALBERT EINSTEIN city: VILLEURBANNE CEDEX postcode: 69621 website: www.insa-lyon.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (VILLEURBANNE CEDEX)	participant	145˙343.00
4	LIBERA UNIVERSITA DI BOLZANO LIBERA UNIVERSITA DI BOLZANO Organization address address: PIAZZA UNIVERSITA 1 city: BOLZANO postcode: 39100 website: www.unibz.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 (BOLZANO)	participant	50˙000.00
5	ARGO SRL ARGO SRL Organization address address: VIA LUIGI CIBRARIO 7 city: TORINO postcode: 10143 website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (TORINO)	participant	27˙125.00

Map

Project objective

The high power transmissions that have to be designed for modern highly efficient turbofans need the extensive application of epicyclical gears with planet gear containing an integrated bearing. These components are subjected to severe rolling contact fatigue (RCF) conditions as many others (e.g. wheels/rails of high speed trains): propagation of micro-cracks starting from the bearing race surface and leading to spalling is a typical damage mode of these components.

The main idea behind IDERPLANE is to analyze the problem not in terms of the usual stress-based design of gears, but rather on damage tolerance concepts. This kind of analysis is meant at understanding/measuring the risk of a catastrophic failure in the case of development of subsurface propagation of cracks driven by shear stresses. Incidentally, it has to be emphasized that spalls can lead to sub-surface cracks only once they have reached a critical size.

If this could be seen an established route, unfortunately RCF is a grey area where there are no data available for such an analysis (that should be based on reliable crack growth curves), because it is very difficult to make cracks propagate under shear as it happens in RCF (and as it was shown in the known failures of planet gear containing an integrated bearing). This is the strength and unicity of the IDERPLANE consortium where the partners have special technology and abilities: to obtain crack growth curves under RCF conditions on specimens (PoliMI) ; to reproduce the subsurface crack propagation in bi-disks experiments (UniBS); to follow and track the development of cracks under complex load conditions (INSA).

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