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Search: swepub > Högskolan Dalarna > Olsson Mikael > Other academic/artistic

  • Result 11-20 of 41
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  • Fallqvist, Mikael, et al. (author)
  • The influence of surface topography on the formation of build-up layers and wear of CVD-Al2O3 coatings
  • 2009
  • In: Wear of Materials. - Las Vegas.
  • Conference paper (other academic/artistic)abstract
    • During the last years it has become more and more obvious that the surface topography and surface texture strongly influences the performance of CVD and PVD coated cutting tools. As a result the interest for different types of pre- and post-surface treatments of the substrates and the deposited coatings has increased. In the present study the friction and wear characteristics of CVD a-Al2O3 coated cemented carbide exposed to different post-surface treatments, including grinding, wet and dry micro-blasting and polishing, have been investigated using modified scratch testing and pin-on-disc testing using , AISI 304 stainless steel, AISI A2 tool and steel reinforcing iron as counter materials. The influence of the coating surface topography/texture on the resulting friction characteristics, tendency to build up layer formation and prevailing wear mechanisms were identified by optical profilometry, FEG-SEM and EDX analysis. Based on the results obtained, the potential of pin-on-disc testing in the tribological characterisation of CVD coatings for cutting tool applications is discussed.
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  • Fallqvist, Mikael, et al. (author)
  • The role of surface defects on the surface fatigue and tribological characteristics of VxN-PVD coatings in sliding contacts
  • 2010
  • In: 14th Nordtrib Conference. - Storforsen.
  • Conference paper (other academic/artistic)abstract
    • The influence of surface defects in arc-evaporated VxN PVD coatings on the adhesion, surface fatigue resistance, friction and wear characteristics has been investigated in a scratching contact using a diamond stylus and a sliding contact using a stainless steel pin. Post-test characterisation using scanning electron microscopy and 3D optical interferometric surface profilometry was performed in order to investigate the mechanical and tribological response of the coatings. The results show that surface defects such as droplets and craters show a strong influence on the tribological behaviour of the coatings causing abrasive wear of the counter surface and material pick-up on the coating surface. In contrast, the influence on the mechanical properties of the coatings, i.e. cracking behaviour, fatigue resistance, etc, was found to be relatively small and cracking seems to be restricted to larger droplets showing a low interfacial bonding to the adjacent coating matrix.
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  • Result 11-20 of 41
Type of publication
conference paper (27)
reports (6)
doctoral thesis (2)
research review (2)
licentiate thesis (2)
other publication (1)
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book chapter (1)
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Type of content
other academic/artistic  (41)Undo refine
Author/Editor
Olsson, Mikael (38)Undo refine
Bexell, Ulf (8)
Eriksson, Jenny (6)
Engkvist, Josefin (4)
Carlsson, Per (3)
Olsson, Mikael, Prof ... (3)
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Svensson, Jan-Erik (3)
Canovic, Sead (3)
Johansson, Lars-Gunn ... (3)
Yvell, Karin (3)
Jacobson, S (2)
Wiklund, U. (2)
Surreddi, Kumar Babu ... (2)
Fallqvist, Mikael (2)
Lundin, Peter (2)
Halvarsson, Mats (2)
Götlind, Helena (2)
Klang, Hans (2)
Börjesson, Malin (2)
Heinrichs, J (2)
Liu, Fang (1)
Nilsson, Maria (1)
Jacobson, Staffan (1)
Jacobson, Staffan, P ... (1)
Wiklund, Urban, Prof ... (1)
Karlsson, P (1)
Gåård, Anders, 1977- (1)
Wadman, Boel (1)
Bergström, J (1)
Andersson, Jon (1)
Schedin, Erik (1)
Norgren, Susanne (1)
Odén, Magnus, Profes ... (1)
Grehk, Mikael (1)
Bay, N (1)
Schedin, E. (1)
Beste, U (1)
Schuisky, Mikael (1)
Jani, Simon (1)
Lundberg, Mats W. (1)
Lai, Haiping (1)
Bay, Niels (1)
Heinrichs, Jannica (1)
Järdnäs, Anders (1)
Fallqvist, Mikael, 1 ... (1)
M’Sauobi, R (1)
Jacobsson, Staffan, ... (1)
Msauobi, Rachid (1)
Madsen, Erik (1)
Madsen, E. (1)
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University
Högskolan Dalarna  (41)Undo refine
Uppsala University (3)
Linköping University (1)
Karlstad University (1)
Language
English (36)
Swedish (5)
Research subject (UKÄ/SCB)
Engineering and Technology (20)

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