Schlitzer, Teresa ; Vormwald, Michael ; Rudolph, Jürgen (2012):
Strip yield model application for thermal cyclic loading.
In: Computational Materials Science, 64, pp. 265-269. ISSN 09270256,
[Article]
Abstract
An extension of the strip yield model towards the calculation of crack opening and closure under non-isothermal loading conditions is the main prerequisite for its applicability in thermal fatigue analy- ses. The aim of this contribution is to implement a new proposal to this feature. Here, the yield stress is allowed to be location and time dependent. With this extension, the cyclic crack tip opening displacements, DCTOD, can be calculated. They are assumed to be related uniquely to the crack growth rate. The corresponding empirical relationship is derived from conventional isothermal fatigue crack growth behaviour of steels. Its integration leads to fatigue crack growth curves and lives.
| Item Type: | Article |
|---|---|
| Erschienen: | 2012 |
| Creators: | Schlitzer, Teresa ; Vormwald, Michael ; Rudolph, Jürgen |
| Title: | Strip yield model application for thermal cyclic loading |
| Language: | English |
| Abstract: | An extension of the strip yield model towards the calculation of crack opening and closure under non-isothermal loading conditions is the main prerequisite for its applicability in thermal fatigue analy- ses. The aim of this contribution is to implement a new proposal to this feature. Here, the yield stress is allowed to be location and time dependent. With this extension, the cyclic crack tip opening displacements, DCTOD, can be calculated. They are assumed to be related uniquely to the crack growth rate. The corresponding empirical relationship is derived from conventional isothermal fatigue crack growth behaviour of steels. Its integration leads to fatigue crack growth curves and lives. |
| Journal or Publication Title: | Computational Materials Science |
| Volume of the journal: | 64 |
| Divisions: | 13 Department of Civil and Environmental Engineering Sciences > Institute of Steel Constructions and Material Mechanics > Fachgebiet Werkstoffmechanik 13 Department of Civil and Environmental Engineering Sciences > Institute of Steel Constructions and Material Mechanics 13 Department of Civil and Environmental Engineering Sciences |
| Date Deposited: | 08 Jul 2014 14:38 |
| URL / URN: | http://www.sciencedirect.com/science/article/pii/S0927025612... |
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