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Improvement in galling performance through surface engineering
Podgornik, Bojan (Author), Vižintin, Jože (Author), Hogmark, Sture (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1179/174329406X122946 This link opens in a new window

Abstract
The aim of the present work was to investigate and compare different surface engineering techniques in terms of galling properties of forming tool steel when sliding against different work materials. The surface engineering techniques included were different grades of polishing, plasma nitriding and different hard coatings, all applied to cold work tool steel respectively. Investigation results indicate that the galling tendency can be greatly reduced by proper polishing of the tool surface. If polished after treatment, plasma nitrided surface will provide further improvement in friction and wear properties of the tool steel and especially for aluminium and titanium alloys reduce the galling tendency. On the other hand, coating selection for improvedgalling performance of coated forming tool steel greatly depends on the type of work material. In the case of stainless steel, carbon based coatings provide the best protection against the work material transfer, while forming of aluminium and titanium based alloys, requires nitride type coatings.

Language:English
Keywords:preoblikovanje, preoblikovalna orodja, inženiring površin, prevleke PVD, plazemsko nitriranje, forming, forming tools, surface engineering, PVD coatings, plasma nitriding, galling
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2006
Number of pages:str. 235-238
Numbering:Letn. 22, št. 4
UDC:621.7
ISSN on article:0267-0844
COBISS.SI-ID:9590043 Link is opened in a new window
Views:1024
Downloads:302
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Record is a part of a journal

Title:Surface engineering
Shortened title:Surf. eng.
Publisher:Institute of Metals, Wolfson Institute for Surface Engineering
ISSN:0267-0844
COBISS.SI-ID:5326855 This link opens in a new window

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