Abstract
The study of surface roughness parameters and their correlation with coefficient of friction (COF) is of great importance for metal-mechanic applications. Evidence suggests that Ra (surface roughness average) is not directly related to COF under sliding conditions. In this study, the relation between surface roughness parameters, namely Ra, Rt (maximum height of the profile), Δa (mean slope of the profile), and COF, as well as their interactions, were particularly studied. The materials were of an aluminium alloy Al A380. Samples were chemically attacked to modify their surface roughness characteristics. Six different conditions were tested: Al A380 with the surface attacked with an alkaline substance for 0, 2.5, 5, 15, 30 and 60 min. The value of COF was determined using a T-05 block-on-ring tribotester, and surface roughness data was obtained using an optical 3D surface measurement system. MathWorks MATLAB software was used to process the data. Results show that Δa has a strong positive correlation with COF during sliding conditions, whereas both Ra and Rt may vary without directly affecting COF, contrary to the commonly used industry standard.
| Original language | English |
|---|---|
| Title of host publication | IOP Conference Series: Materials Science and Engineering |
| Publisher | Institute of Physics Publishing |
| Volume | 591 |
| Edition | 1 |
| DOIs | |
| Publication status | Published - 14 Aug 2019 |
| Event | 7th International Conference on Modern Technologies in Industrial Engineering, ModTech 2019 - Iasi, Romania Duration: 19 Jun 2019 → 22 Jun 2019 |
Publication series
| Name | IOP Conference Series: Materials Science and Engineering |
|---|---|
| Publisher | IOP Publishing Ltd. |
| ISSN (Print) | 1757-8981 |
Conference
| Conference | 7th International Conference on Modern Technologies in Industrial Engineering, ModTech 2019 |
|---|---|
| Country | Romania |
| City | Iasi |
| Period | 19/6/19 → 22/6/19 |
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All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Engineering(all)
Cite this
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Study of the influence of surface roughness parameters on the frictional characteristics of materials. / Pena-Paras, L.; Maldonado-Cortes, D.; Martinez, C.; Arias, M.; Ontiveros, A.; Castanos, B.; Morales-Martinez, M.
IOP Conference Series: Materials Science and Engineering. Vol. 591 1. ed. Institute of Physics Publishing, 2019. 012025 (IOP Conference Series: Materials Science and Engineering).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
TY - GEN
T1 - Study of the influence of surface roughness parameters on the frictional characteristics of materials
AU - Pena-Paras, L.
AU - Maldonado-Cortes, D.
AU - Martinez, C.
AU - Arias, M.
AU - Ontiveros, A.
AU - Castanos, B.
AU - Morales-Martinez, M.
PY - 2019/8/14
Y1 - 2019/8/14
N2 - The study of surface roughness parameters and their correlation with coefficient of friction (COF) is of great importance for metal-mechanic applications. Evidence suggests that Ra (surface roughness average) is not directly related to COF under sliding conditions. In this study, the relation between surface roughness parameters, namely Ra, Rt (maximum height of the profile), Δa (mean slope of the profile), and COF, as well as their interactions, were particularly studied. The materials were of an aluminium alloy Al A380. Samples were chemically attacked to modify their surface roughness characteristics. Six different conditions were tested: Al A380 with the surface attacked with an alkaline substance for 0, 2.5, 5, 15, 30 and 60 min. The value of COF was determined using a T-05 block-on-ring tribotester, and surface roughness data was obtained using an optical 3D surface measurement system. MathWorks MATLAB software was used to process the data. Results show that Δa has a strong positive correlation with COF during sliding conditions, whereas both Ra and Rt may vary without directly affecting COF, contrary to the commonly used industry standard.
AB - The study of surface roughness parameters and their correlation with coefficient of friction (COF) is of great importance for metal-mechanic applications. Evidence suggests that Ra (surface roughness average) is not directly related to COF under sliding conditions. In this study, the relation between surface roughness parameters, namely Ra, Rt (maximum height of the profile), Δa (mean slope of the profile), and COF, as well as their interactions, were particularly studied. The materials were of an aluminium alloy Al A380. Samples were chemically attacked to modify their surface roughness characteristics. Six different conditions were tested: Al A380 with the surface attacked with an alkaline substance for 0, 2.5, 5, 15, 30 and 60 min. The value of COF was determined using a T-05 block-on-ring tribotester, and surface roughness data was obtained using an optical 3D surface measurement system. MathWorks MATLAB software was used to process the data. Results show that Δa has a strong positive correlation with COF during sliding conditions, whereas both Ra and Rt may vary without directly affecting COF, contrary to the commonly used industry standard.
UR - http://www.scopus.com/inward/record.url?scp=85072105991&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85072105991&partnerID=8YFLogxK
U2 - 10.1088/1757-899X/591/1/012025
DO - 10.1088/1757-899X/591/1/012025
M3 - Conference contribution
AN - SCOPUS:85072105991
VL - 591
T3 - IOP Conference Series: Materials Science and Engineering
BT - IOP Conference Series: Materials Science and Engineering
PB - Institute of Physics Publishing
ER -