Growth Rate of Small Fatigue Cracks of Cast Magnesium Alloy at Different Conditions |
| Journal |
Materials Science Forum (Volumes 546 - 549) |
| Volume |
Progress in Light Metals, Aerospace Materials and Superconductors |
| Edited by |
Yafang Han et al. |
| Pages |
77-80 |
| DOI |
10.4028/www.scientific.net/MSF.546-549.77 |
| Online since |
May, 2007 |
| Authors |
Xi Shu Wang,
Jing Hong Fan
|
| Keywords |
In Situ Observation, Cast AM50 Alloy, Crack Growth Rate (da/dN), Elevated Temperature, Fatigue |
| Abstract |
Some differences between the growth behaviors of small fatigue crack of cast AM50
magnesium alloy at different elevated temperature and at open and closed states were investigated
based on in-situ observations with scanning electron microscope (SEM). These results indicate that
the growth rates of small fatigue cracks depend on not only the stress levels but also the elevated
temperature and crack states. The fatigue crack growth rates were estimated based on novel and
conventional methods. |
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