RESEARCH PAPER
Local Damages During Rolling And Mechano-Rolling Fatigue For The Mechanical System Shaft – Roller (0.45 Carbon Steel – 25XGT Steel, 20XH3A Steel – 20XH3A Steel)
1
Mechanics and Mathematics Faculty, Department of Theoretical and Applied Mechanics, Belarusian State University, Nezavisimosty av., 4,220000, Minsk, Republic of Belarus
2
The Joint Institute of Mechanical Engineering of National Academy of Sciences of Belarus, Academicheskaya str., 12, 220072, Minsk, Republic of Belarus
3
S&P Group TRIBOFATIGUE Ltd, Gomel, Republic of Belarus
Submission date: 2015-05-04
Acceptance date: 2015-12-18
Online publication date: 2015-12-30
Publication date: 2015-12-01
Acta Mechanica et Automatica 2015;9(4):259-264
KEYWORDS
Local DamageFatigueTribo-Fatigue SystemMicrocrackWear-Fatigue DamageResidual DeformationWave-Like DamageTroppy PhenomenaLocal Fatigue Curve
ABSTRACT
The report provides a description of local damages which are formed in the process of wear-fatigue tests. The analysis of local surface wave-like damages during rolling and mechano-rolling fatigue for the shaft-roller mechanical system under steady-state and multi-stage loading conditions is given. It is shown that the study of local wear-fatigue damage was made possible by new methods of testing and measuring wear-fatigue tests and damages, which are described in the report. New characteristics to estimate the parameters of the local wear-fatigue damage are proposed. The concept of local fatigue curves is introduced. The laws of local wear-fatigue damage for the shaft - roller system are analysed.
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| eISSN: | 2300-5319 |
| ISSN: | 1898-4088 |
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