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RELIABILITY AND REPRODUCIBILITY OF HIGH INTENSITY BEAMS WELDING (LASER AND ELECTRON BEAMS)

Objective


HIBW techniques have been successfully qualified. Other achievements to be highlighted include: 10 welding procedures have been qualified; 1000 RX inspections; 140 fatigue tests on whole specimens; 40 creep tests. Four different base materials were used - ranging from light alloy, to steel, to super-alloy.

Other important developments of this project include:

- The successful qualification of HIBW

- The establishing of future codes, such as tolerant ranges and WPS for laser beam welding

- The performances of innovative NDT have been quantified and appear to be in agreement with the forecast values

- Results illustrate that HIBW is becoming more common in the joining of aeronautic and energy components

- Laser and E-Beam welding procedures have been qualified according to the relevant industrial codes on all materials (AISI 9310, and ASTM A335 gr.P5 Steel, AA6061 aluminium alloy, ALLOY 800 superalloy)

- Fatigue tests on the whole specimens and creep tests at high temperature have been performed on HIBW joints, correlating the thermo-mechanical properties of HIBW joints with the welding procedures.

Topic(s)

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Call for proposal

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Coordinator

CISE - Centro Informazioni Studi ed Esperienze SpA
Address
Via Reggio Emilia 39
20090 Segrate Milano
Italy

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Participants (5)

Agusta SpA
Italy
Address
Via Giovanni Agusta 520
21017 Cascina Costa Di Samarate Varese

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FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Germany
Address
Universitaet, Gebaeude 37
66123 Saarbruecken

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Istituto Italiano della Saldatura
Italy
Address
Lungobisagno Istria 15
16141 Genova

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Laser Melis SA
Spain
Address

20550 Aretxabealeta

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Sciaky Industries SA
France
Address
119 Quai Jules Guesde
94401 Vitry-sur-seine

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