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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03525naa a2200373 4500 | |
| 001 | oai:DiVA.org:liu-126240 | |
| 003 | SwePub | |
| 008 | 160321s2016 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1262402 URI |
| 024 | 7 | a https://doi.org/10.1115/1.40315262 DOI |
| 040 | a (SwePub)liu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Busse, Christianu Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten4 aut0 (Swepub:liu)chrbu94 |
| 245 | 1 0 | a Three-Dimensional LEFM Prediction of Fatigue Crack Propagation in a Gas Turbine Disk Material at Component Near Conditions |
| 264 | c 2015-10-26 | |
| 264 | 1 | b ASME,c 2016 |
| 338 | a print2 rdacarrier | |
| 500 | a Funding Agencies|Siemens Industrial Turbomachinery AB through Research Consortium of Materials Technology for Thermal Energy Processes [KME-702]; Swedish Energy Agency | |
| 520 | a In this paper, the possibility to use linear elastic fracture mechanics (LEFM), with and without a superimposed residual stress field, to predict fatigue crack propagation in the gas turbine disk material Inconel 718 has been studied. A temperature of 400 degrees C and applied strain ranges corresponding to component near conditions have been considered. A three-dimensional crack propagation software was used for determining the stress intensity factors (SIFs) along the crack path. In the first approach, a linear elastic material behavior was used when analyzing the material response. The second approach extracts the residual stresses from an uncracked model with perfectly plastic material behavior after one loading cycle. As a benchmark, the investigated methods are compared to experimental tests, where the cyclic lifetimes were calculated by an integration of Paris law. When comparing the results, it can be concluded that the investigated approaches give good results, at least for longer cracks, even though plastic flow was taking place in the specimen. The pure linear elastic simulation overestimates the crack growth for all crack lengths and gives conservative results over all considered crack lengths. Noteworthy with this work is that the 3D-crack propagation could be predicted with the two considered methods in an LEFM context, although plastic flow was present in the specimens during the experiments. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknik0 (SwePub)2032 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineering0 (SwePub)2032 hsv//eng |
| 700 | 1 | a Gustafsson, Davidu Siemens Ind Turbomachinery AB, Sweden4 aut |
| 700 | 1 | a Rasmusson, Patriku Siemens Ind Turbomachinery AB, Sweden4 aut |
| 700 | 1 | a Sjodin, Bjornu Siemens Ind Turbomachinery AB, Sweden4 aut |
| 700 | 1 | a Moverare, Johanu Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten4 aut0 (Swepub:liu)johmo31 |
| 700 | 1 | a Simonsson, Kjellu Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten4 aut0 (Swepub:liu)kjesi56 |
| 700 | 1 | a Leidermark, Danielu Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten4 aut0 (Swepub:liu)danle89 |
| 710 | 2 | a Linköpings universitetb Mekanik och hållfasthetslära4 org |
| 773 | 0 | t Journal of engineering for gas turbines and powerd : ASMEg 138:4q 138:4x 0742-4795x 1528-8919 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-126240 |
| 856 | 4 8 | u https://doi.org/10.1115/1.4031526 |
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