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Modelling of rolling contact fatigue of railsFajdiga, Gorazd ; Šraml, Matjaž ; Kramar, Janez, strojnik, 1940-Rail dark spot defect, also termed as squat failure or shelling, is a rolling contact fatigue failure which occurs frequently on the high speed trame railway rails. The main goal of this study is to ... develop a computational model for simulation of the squat phenomena on rails in rail-wheel contact. The proposed computational model consists of two parts: (i) Contact Fatigue Crack Initiation (CFCI) and (ii) Contact Fatigue Crack Propagation (CFCP). The results of proposed unified model enable a computational prediction of a probable number of loading cycles that a wheel-rail system can sustain before development of the initial erack in the rail, as well as the number of loading cycles required for a crack to propagate from initial to critical length, when the final fatigue failure (squat) can be expected to occur.Vir: Fracture and damage mechanics V (Vol. 324/325, 2006, str. 987-990)Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasleLeto - 2006Jezik - angleškiCOBISS.SI-ID - 14883848
Avtor
Fajdiga, Gorazd |
Šraml, Matjaž |
Kramar, Janez, strojnik, 1940-
Teme
lomna mehanika |
kontaktna utrujenost |
nastanek razpoke |
širjenje razpoke |
napoved nastanka razpoke |
numerično modeliranje |
železnice |
fracture mechanics |
contact fatigue |
fatigue damage |
crack initiation |
crack propagation |
numerical modelling |
numerical analyses |
prediction of crack initiation
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Fajdiga, Gorazd | 15683 |
Šraml, Matjaž | 16170 |
Kramar, Janez, strojnik, 1940- | 03088 |
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