Abstract
Using laser speckle decorrelation, TEM, optical microscopy and AFM we study deformation structures generated in subsurface layers of metals and alloys by sliding wear. Strain localization process in sliding wear as well as its effect on sliding-induced structures is considered. As shown, strain localization leads to intense fragmentation in subsurface layers and generation of shear bands in previously fragmented materials. These shear bands first exist at the microscale level under mild wear but may reveal at the mesoscale deformation level when there occurs mild-to-catastrophic wear mechanism transition. The result of such a transition is a thick (tens and hundreds of micrometers) nanocrystalline layer at the surface of metals. Hadfield steel shows another type of tribological behavior when only thin nano crystalline layer is formed. We relate such a behavior to the specificity of fragmentation in this steel. High wear resistance of high manganese steel is analyzed too.
| Original language | English |
|---|---|
| Pages (from-to) | 695-699 |
| Number of pages | 5 |
| Journal | Tribology International |
| Volume | 43 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - Apr 2010 |
| Externally published | Yes |
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Keywords
- Plastic deformation
- Sliding wear
- Subsurface Fragmentation
- Wear resistance
ASJC Scopus subject areas
- Mechanical Engineering
- Mechanics of Materials
- Surfaces, Coatings and Films
- Surfaces and Interfaces
Cite this
Scale-dependent subsurface deformation of metallic materials in sliding. / Kolubaev, A.; Tarasov, S.; Sizova, O.; Kolubaev, E.
In: Tribology International, Vol. 43, No. 4, 04.2010, p. 695-699.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Scale-dependent subsurface deformation of metallic materials in sliding
AU - Kolubaev, A.
AU - Tarasov, S.
AU - Sizova, O.
AU - Kolubaev, E.
PY - 2010/4
Y1 - 2010/4
N2 - Using laser speckle decorrelation, TEM, optical microscopy and AFM we study deformation structures generated in subsurface layers of metals and alloys by sliding wear. Strain localization process in sliding wear as well as its effect on sliding-induced structures is considered. As shown, strain localization leads to intense fragmentation in subsurface layers and generation of shear bands in previously fragmented materials. These shear bands first exist at the microscale level under mild wear but may reveal at the mesoscale deformation level when there occurs mild-to-catastrophic wear mechanism transition. The result of such a transition is a thick (tens and hundreds of micrometers) nanocrystalline layer at the surface of metals. Hadfield steel shows another type of tribological behavior when only thin nano crystalline layer is formed. We relate such a behavior to the specificity of fragmentation in this steel. High wear resistance of high manganese steel is analyzed too.
AB - Using laser speckle decorrelation, TEM, optical microscopy and AFM we study deformation structures generated in subsurface layers of metals and alloys by sliding wear. Strain localization process in sliding wear as well as its effect on sliding-induced structures is considered. As shown, strain localization leads to intense fragmentation in subsurface layers and generation of shear bands in previously fragmented materials. These shear bands first exist at the microscale level under mild wear but may reveal at the mesoscale deformation level when there occurs mild-to-catastrophic wear mechanism transition. The result of such a transition is a thick (tens and hundreds of micrometers) nanocrystalline layer at the surface of metals. Hadfield steel shows another type of tribological behavior when only thin nano crystalline layer is formed. We relate such a behavior to the specificity of fragmentation in this steel. High wear resistance of high manganese steel is analyzed too.
KW - Plastic deformation
KW - Sliding wear
KW - Subsurface Fragmentation
KW - Wear resistance
UR - http://www.scopus.com/inward/record.url?scp=75249103810&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=75249103810&partnerID=8YFLogxK
U2 - 10.1016/j.triboint.2009.10.009
DO - 10.1016/j.triboint.2009.10.009
M3 - Article
AN - SCOPUS:75249103810
VL - 43
SP - 695
EP - 699
JO - Tribology International
JF - Tribology International
SN - 0301-679X
IS - 4
ER -