Monotonic and cyclic deformation of a high silicon pearlitic wheel steel

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Fältnamn	Indikatorer	Metadata
000		03117naa a2200361 4500
001		oai:research.chalmers.se:5d7addc6-3387-425d-a3cb-3708d224d7c4
003		SwePub
008		171008s2011 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://research.chalmers.se/publication/1285832 URI
024	7	a https://doi.org/10.1016/j.wear.2010.10.0472 DOI
040		a (SwePub)cth
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a ref2 swepub-contenttype
100	1	a Cvetkovski, Krste,d 1983u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)cvetkovs
245	1 0	a Monotonic and cyclic deformation of a high silicon pearlitic wheel steel
264	1	b Elsevier BV,c 2011
520		a The development of railway wheel steel grades has gone towards higher strength to enhance rolling contact fatigue resistance and ability to withstand thermally induced damage throughout the service lifetime. In this study a recently developed wheel steel material for passenger trains containing high levels of manganese and silicon, approximately 1 wt% of each, was tested in low cycle fatigue at different total strain amplitudes. In addition, monotonic tensile and Charpy V-notch impact testings in the temperature range −60 °C to 180 °C were performed. The results were compared to another steel grade commonly used in Europe for railway wheels. The low cycle fatigue results show similar cyclic lifetime Nf, and fatigue stress amplitude development for both materials, but the highly alloyed steel exhibits reduced cyclic softening and hardening during the fatigue life and is in this respect more stable in its behaviour. As is typical for pearlitic–ferritic steels both materials show a pronounced monotonic strain hardening. It was concluded that the increased levels of manganese and silicon have minor effects on monotonic behaviour but substantial influence on cyclic behaviour at ambient temperatures. At increased temperatures, though, there are indications of additional effects on monotonic behaviour. However, the high temperature properties have to be investigated further to gain full understanding of mechanisms and effects.
650	7	a TEKNIK OCH TEKNOLOGIERx Materialteknikx Annan materialteknik0 (SwePub)205992 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Materials Engineeringx Other Materials Engineering0 (SwePub)205992 hsv//eng
653		a Silicon
653		a Low-cycle fatigue
653		a Steels
653		a Pearlite
653		a Railway
700	1	a Ahlström, Johan,d 1969u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)jnah
700	1	a Karlsson, Birger,d 1941u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)bk
710	2	a Chalmers tekniska högskola4 org
773	0	t Weard : Elsevier BVg 271:1-2, s. 382-387q 271:1-2<382-387x 0043-1648
856	4	u http://dx.doi.org/10.1016/j.wear.2010.10.047y FULLTEXT
856	4 8	u https://research.chalmers.se/publication/128583
856	4 8	u https://doi.org/10.1016/j.wear.2010.10.047

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