Details
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 7th International Conference on Fracture Fatigue and Wear, FFW 2018 |
| Publisher | Pleiades Publishing |
| Pages | 796-807 |
| Number of pages | 12 |
| ISBN (print) | 9789811304101 |
| Publication status | Published - 15 Jul 2018 |
| Event | 7th International Conference on Fracture Fatigue and Wear, FFW 2018 - Ghent, Belgium Duration: 9 Jul 2018 → 10 Jul 2018 |
Publication series
| Name | Lecture Notes in Mechanical Engineering |
|---|---|
| ISSN (Print) | 2195-4356 |
| ISSN (electronic) | 2195-4364 |
Abstract
The calculation of wear in boundary lubricated or unlubricated contacts of machine elements requires the knowledge of certain parameters describing the behaviour of the tribological system. An approach for wear calculation in dry sliding contacts is the ARCHARD equation, which is based on the ARCHARD wear coefficient, describing the probability of the formation of a single wear particle. Although a calculation routine for the ARCHARD equation can be formulated numerically, it is still necessary to determine the ARCHARD wear coefficient for each considered tribological system by experiments. The aim of this paper is to transfer the global ARCHARD equation into a numerical wear model, which allows a spatially resolved determination of wear depth for dry and boundary lubricated contacts. Considering the surface roughness, the calculation will be reduced to a single asperity contact. Each asperity can suffer a specific number of load cycles until its cross section is weakened so the asperity detaches from the surface. The numerical calculation of this critical number of load cycles follows the theory of continuum damage mechanics. The required nonlinear material properties can be evaluated by tensile and compression tests. The residual uncertainty of the calculation process is reduced to the specification of the coefficient of friction for the considered tribological system. The presented numerical model is validated with experimental tests on a FE8 test rig.
Keywords
- Adhesive wear, Contact mechanics, Machine elements
ASJC Scopus subject areas
- Engineering(all)
- Automotive Engineering
- Engineering(all)
- Aerospace Engineering
- Engineering(all)
- Mechanical Engineering
- Chemical Engineering(all)
- Fluid Flow and Transfer Processes
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Proceedings of the 7th International Conference on Fracture Fatigue and Wear, FFW 2018. Pleiades Publishing, 2018. p. 796-807 (Lecture Notes in Mechanical Engineering).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Numerical calculation of local adhesive wear in machine elements under boundary lubrication considering the surface roughness
AU - Terwey, Jan Torben
AU - Berninger, S.
AU - Burghardt, G.
AU - Jacobs, G.
AU - Poll, Gerhard
N1 - Publisher Copyright: © Springer Nature Singapore Pte Ltd. 2019. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.
PY - 2018/7/15
Y1 - 2018/7/15
N2 - The calculation of wear in boundary lubricated or unlubricated contacts of machine elements requires the knowledge of certain parameters describing the behaviour of the tribological system. An approach for wear calculation in dry sliding contacts is the ARCHARD equation, which is based on the ARCHARD wear coefficient, describing the probability of the formation of a single wear particle. Although a calculation routine for the ARCHARD equation can be formulated numerically, it is still necessary to determine the ARCHARD wear coefficient for each considered tribological system by experiments. The aim of this paper is to transfer the global ARCHARD equation into a numerical wear model, which allows a spatially resolved determination of wear depth for dry and boundary lubricated contacts. Considering the surface roughness, the calculation will be reduced to a single asperity contact. Each asperity can suffer a specific number of load cycles until its cross section is weakened so the asperity detaches from the surface. The numerical calculation of this critical number of load cycles follows the theory of continuum damage mechanics. The required nonlinear material properties can be evaluated by tensile and compression tests. The residual uncertainty of the calculation process is reduced to the specification of the coefficient of friction for the considered tribological system. The presented numerical model is validated with experimental tests on a FE8 test rig.
AB - The calculation of wear in boundary lubricated or unlubricated contacts of machine elements requires the knowledge of certain parameters describing the behaviour of the tribological system. An approach for wear calculation in dry sliding contacts is the ARCHARD equation, which is based on the ARCHARD wear coefficient, describing the probability of the formation of a single wear particle. Although a calculation routine for the ARCHARD equation can be formulated numerically, it is still necessary to determine the ARCHARD wear coefficient for each considered tribological system by experiments. The aim of this paper is to transfer the global ARCHARD equation into a numerical wear model, which allows a spatially resolved determination of wear depth for dry and boundary lubricated contacts. Considering the surface roughness, the calculation will be reduced to a single asperity contact. Each asperity can suffer a specific number of load cycles until its cross section is weakened so the asperity detaches from the surface. The numerical calculation of this critical number of load cycles follows the theory of continuum damage mechanics. The required nonlinear material properties can be evaluated by tensile and compression tests. The residual uncertainty of the calculation process is reduced to the specification of the coefficient of friction for the considered tribological system. The presented numerical model is validated with experimental tests on a FE8 test rig.
KW - Adhesive wear
KW - Contact mechanics
KW - Machine elements
UR - http://www.scopus.com/inward/record.url?scp=85068382618&partnerID=8YFLogxK
U2 - 10.1007/978-981-13-0411-8_71
DO - 10.1007/978-981-13-0411-8_71
M3 - Conference contribution
AN - SCOPUS:85068382618
SN - 9789811304101
T3 - Lecture Notes in Mechanical Engineering
SP - 796
EP - 807
BT - Proceedings of the 7th International Conference on Fracture Fatigue and Wear, FFW 2018
PB - Pleiades Publishing
T2 - 7th International Conference on Fracture Fatigue and Wear, FFW 2018
Y2 - 9 July 2018 through 10 July 2018
ER -