ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
In this paper, the continuous in-situ observations of the fatigue crack growth in U71Mn andU75V rail steel are made by using the scanning electronic microscope (SEM). The microstructurepatterns of cracks under the mode I fatigue loads and quasi-static loads are presented. The resultsindicate that the short fatigue crack growth in rail steel is a quasi-cleavage fracture. The ductility andthe performance of fatigue resistance of U71Mn rail steel are better than those of U75V rail steel
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.324-325.807.pdf