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Development of investment casting process of nickel superalloys with enhanced weldability.

Total Cost €


EC-Contrib. €






Project "HiperTURB" data sheet

The following table provides information about the project.


Organization address
address: ALIENDALDE 6
postcode: 48200
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.

 Coordinator Country Spain [ES]
 Project website
 Total cost 802˙728 €
 EC max contribution 699˙356 € (87%)
 Programme 1. H2020-EU. (ITD Engines)
 Code Call H2020-CS2-CFP04-2016-02
 Funding Scheme CS2-IA
 Starting year 2017
 Duration (year-month-day) from 2017-06-01   to  2020-05-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FUNDACION AZTERLAN ES (DURANGO) coordinator 109˙373.00
2    LORTEK S COOP ES (ORDIZIA) participant 226˙540.00
3    EIBAR PRECISION CASTING SL ES (EIBAR) participant 140˙106.00
4    CASA MARISTAS AZTERLAN ES (DURANGO) participant 122˙240.00


 Project objective

The objective of HiperTURB is to improve the weldability and castability of high temperature capable superalloy castings. The expected impact will be linked to weight, manufacturing and maintenance cost reduction of TRF components. This objective will be achieved due to a combination of innovative chemistry adjustments, tailored casting solidification strategies, specific heat treatment and innovative welding techniques to control grain size, phases formation, segregation and residual stresses. Two new superalloy castings with enhanced weldability will be developed. At casting level mould design to control cooling gradient together with the use of inoculants, chillers and shell design will allow to tailor casting solidification. Heat treatment stage will be adjusted in terms of pre and post welding operation sequence (HIP solution annealing), processing parameters and the introduction of cryogenic heat treatment. Weldability assessment of two new alloy castings will be assessed by standard hot cracking tests and simulated repair and structural welds on simple parts and real geometry-like components. Both TIG and laser based welding processes will be investigated. Development process will be supported by advanced simulation techniques based on Thermocalc, Dictra, Procast that will enable a more precise approach on final alloy microstructural and castability results. The castability of the alloys will be validated by the design of specific test samples that will be checked to detect casting defects such as shrinkage, hot tearing sensitivity.... Evaluation of internal and external defects will be carried out by non-destructive tests. Mechanical properties of alloys under development such as creep and tensile test at low and high temperature will be performed. Component like geometry cast parts will be manufactured at the end of the project, testing their final properties in terms of castability and weldability.


year authors and title journal last update
List of publications.
2018 P. Alvarez, L. Vázquez, P. M. García-Riesco, P. P. Rodríguez, A. Magaña and F. Santos
A Simplified Varestraint Test for Analyzing Weldability of Fe-Ni Based Superalloys
published pages: 849-865, ISSN: , DOI:

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

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