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Crack growth threshold analysis in TiAl alloys

TiAlCracks

Crack growth threshold analysis in TiAl alloys

Call for proposal: 
H2020-CS2-CFP01-2014-01
Link to CORDIS:
Objectives: 

The objective of the project is to investigate the fatigue crack growth (FCG) threshold and rate for long as well as short cracks of second generation TiAl alloys suitable for use in the Intermediate Pressure Turbine (IPT) of the UltraFanTM engine.

The work includes in detail all investigations specified in the Call for Proposals JTI-CS2-2014-CFP01-ENG-03-04, that are:

  • determination of the FCG threshold and rates at load ratios R of 0.1, 0.5, 0.8 at room temperature and at 750 °C,
  • determination of the variation of these material properties at room temperature for three different heat treatments (centre and extremes of the heat treatment window) at load ratios R of 0.1, 0.5, 0.8, and
  • determination of the effect of defect type (defects from manufacturing, handling and foreign object damage (FOD)), morphology and size on the fatigue properties at room temperature and at 750 °C at load ratios R of 0.1, 0.5, 0.8.
Institution Type:
Institution Name: 
European Commission
Type of funding:
Lead Organisation: 

Materials Center Leoben Forschung Gmbh

Address: 
ROSEGGERSTRASSE 12
8700 LEOBEN
Austria
EU Contribution: 
€439,183
Technologies: 
Development phase: