Issue 30

A. Carofalo et alii, Frattura ed Integrità Strutturale, 30 (2014) 349-359; DOI: 10.3221/IGF-ESIS.30.42 352 (a) (b) Figure 1: Specimen geometry for LCF test (a) and creep test (b) . (a) (b) Figure 2: Static behaviour of base (a) and TIG welded (b) material. Yielding Stress Tensile Strength Elongation to Failure Young Modulus σ y [N/mm 2 ] σ R [N/mm 2 ] A [%] E [N/mm 2 ] Base Material TIG var % Base Material TIG var % Base Material TIG var % Base Material TIG var % RT 0.617 0.622 0.78 1 0.968 -3.24 0.65 0.43 -33.64 1 0.948 -5.22 503°C 0.519 0.484 -6.7 0.867 0.836 -3.58 0.47 0.34 -28.18 0.738 0.658 -10.83 704°C 0.516 - - 0.607 - - 0.93 - - 0.571 - - 760°C 0.444 0.446 0.53 0.497 0.514 3.39 1 0.25 -75.00 0.522 0.560 7.27 Table 1: Static behaviour of base and TIG welded material.