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Opendata, web and dolomites

DELASTI

DEvelopment of advanced LASer based technologies for the manufacturing of TItanium HLFC structures

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

DELASTI project word cloud

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

efficient efficiency aligned stress validated transport aircrafts prediction volume deformation nowadays procedure welding optimize joining hlfc line parallel surveillance contribution traffic single joints revolutionary drilled source climate continuous grow assisted mm fe sought experimental parametric titanium reproducible aerodynamics laser stiffened trl made correlations wing accurate stage fast lightweight ways residual fin context flow obtain straightening perforated passenger integration implies numerical depends seam 15 chain stringers improvement commercial 10 hybrid laminar 3d thin flatness structures skin models fuel distortion air manufacturers aircraft sheet micro structure tracking world panels pursues sound saving delasti stresses afterwards environmental

Project "DELASTI" data sheet

The following table provides information about the project.

Coordinator	LORTEK S COOP Organization address address: ARRANOMENDIA KALEA 4 A city: ORDIZIA postcode: 20240 website: www.lortek.es 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	Spain [ES]
Project website	http://www.lortek.es
Total cost	448˙843 €
EC max contribution	448˙843 € (100%)
Programme	1. H2020-EU.3.4.5.1. (IADP Large Passenger Aircraft)
Code Call	H2020-CS2-CFP01-2014-01
Funding Scheme	CS2-RIA
Starting year	2016
Duration (year-month-day)	from 2016-01-01 to 2018-08-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	LORTEK S COOP LORTEK S COOP Organization address address: ARRANOMENDIA KALEA 4 A city: ORDIZIA postcode: 20240 website: www.lortek.es contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	ES (ORDIZIA)	coordinator	315˙906.00
2	HELMHOLTZ-ZENTRUM GEESTHACHT ZENTRUM FUR MATERIAL- UND KUSTENFORSCHUNG GMBH HELMHOLTZ-ZENTRUM GEESTHACHT ZENTRUM FUR MATERIAL- UND KUSTENFORSCHUNG GMBH Organization address address: MAX PLANCK STRASSE 1 city: GEESTHACHT postcode: 21502 website: www.gkss.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (GEESTHACHT)	participant	132˙937.00

Map

Project objective

World air traffic volume is expected to grow per 2 in the next 15 years and that is the reason why reduction of air transport contribution to climate change is nowadays one of the most important objectives for aircraft manufacturers. The reduction of environmental impact requires a continuous improvement in aircraft efficiency, which depends on the use of lightweight structures and efficient aerodynamics, among others. Hybrid Laminar Flow (HLFC) on wing and fin is one of the potential ways to enhance the efficiency of the aircraft and to achieve up to 10% of fuel saving in commercial passenger aircrafts. A design approach for HLFC structure is made of a perforated skin sheet which is stiffened by stringers. This structure is produced by joining parallel aligned stringers to laser micro-drilled thin skin. Afterwards, a straightening process is necessary to achieve the flatness requirements. DELASTI project aims at i) the development of process and ii) system technology for reproducible laser welding and straightening of large titanium panels for HLFC structures, iii) assisted by a FE-based procedure focused on the prediction of 3D deformation and residual stresses. A revolutionary approach is sought which implies the use of one laser source as the only production means, in order to get the whole process in a single production stage. In this context, the present project pursues the following technical objectives: • Development of welding and straightening processes and system up to TRL 6, in order to obtain structures with sound joints and adequate flatness, in challenging large-scale thin (0.8 mm) structures • Integration of seam tracking and development of on-line process surveillance system • Accurate and fast prediction of distortion and residual stress for the whole process chain • Optimize and find useful parametric distortion related correlations for welding and straightening process parameters, based on experimental and validated FE numerical models.

Deliverables

List of deliverables.
Final PDER	Documents, reports	2019-03-20 15:46:27

Take a look to the deliverables list in detail: detailed list of DELASTI deliverables.

Publications

List of publications.
year	authors and title	journal	last update
2017	M. Froend, F. Fomin, S. Riekehr, P. Alvarez, F. Zubiri, S. Bauer, B. Klusemann, N. Kashaev Fiber laser welding of dissimilar titanium (Ti-6Al-4V/cp-Ti) T-joints and their laser forming process for aircraft application published pages: 123-131, ISSN: 0030-3992, DOI: 10.1016/j.optlastec.2017.05.017	Optics & Laser Technology 96	2019-06-18
2017	P. Alvarez, F. Zubiri, M.Froend, F. Fomin, S. Riekehr, N.Kashaev, S. Bauer Laser beam welding and straightening of Titanium T-joints for aircraft structures published pages: , ISSN: , DOI:	Lasers in Manufacturing Conference 2017 26 - 29 June 2017	2019-06-18
2018	Fedor Fomin, Martin Froend, Volker Ventzke, Pedro Alvarez, Stefan Bauer, Nikolai Kashaev Metallurgical aspects of joining commercially pure titanium to Ti-6Al-4V alloy in a T-joint configuration by laser beam welding published pages: 2019-2031, ISSN: 0268-3768, DOI: 10.1007/s00170-018-1968-z	The International Journal of Advanced Manufacturing Technology 97/5-8	2019-05-29

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