Effects of component size, geometry, microstructure and aging on the embrittling behavior of creep crack growth correlated by the Q ∗ parameter

The driving force for creep crack growth is dominated by local elastic–plastic stress in the creep damage zone around a crack tip, temperature and microstructure. In previous work, C ∗, C t, load line displacement rate d δ/d t and Q ∗ parameters have been proposed as formulations of creep crack grow...

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Veröffentlicht in:	Engineering fracture mechanics 2007-04, Vol.74 (6), p.898-911
Hauptverfasser:	Yokobori, A.T., Sugiura, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Creep Ct parameter C∗ parameter Exact sciences and technology Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Inelasticity (thermoplasticity, viscoplasticity...) Load line displacement rate d δ/d t Mechanical and acoustical properties of condensed matter Mechanical properties of solids Physics Q∗ concept Solid mechanics Structural and continuum mechanics Weld component
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