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Surface repair of tool made of 12 Ni maraging steel by laser cladding of NiCoMo powder
Bergant, Zoran (Author), Grum, Janez (Author), Slabe, Janez Marko (Author), Ocaña, Jose Luis (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.4028/www.scientific.net/AMR.89-91.675 New window

Abstract
Surface repair experiments with Nd:YAG coaxial laser cladding of NiCoMo maraging powder were made on specimens from maraging steel (EN 10027-2, mat. no. 1.2799). The influences of different modes of laser-beam guidance with various powder mass flows and with different degrees of overlapping of individual traces on the dilution and the repair area were determined. The micro and macroscopic analyses of microsections of fusion zone (FZ), heat affected zone (HAZ) and through-depth microhardness were analysed after cladding and after subsequent solution and precipitation annealing. The microchemical (EDS) analysis was performed at various depths. The residual stresses in the clad face and in the clad toe were determined and compared, using the hole-drilling method.

Language:English
Keywords:laserska obdelava, maraging jeklo, mikrotrdota, zlitine, laser cladding, maraging steel, surface integrity
Work type:Not categorized (r6)
Tipology:1.08 - Published Scientific Conference Contribution
Organization:FS - Faculty of Mechanical Engineering
Year:2010
Number of pages:Str. 675-680
UDC:669.715
ISSN on article:1662-8985
COBISS.SI-ID:11258139 Link is opened in a new window
Views:532
Downloads:185
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Record is a part of a proceedings

Title:Thermec 2009 supplement
COBISS.SI-ID:11257883 New window

Record is a part of a journal

Title:Advanced materials research
Shortened title:Adv. mat. res.
Publisher:Trans Tech Publications
ISSN:1662-8985
COBISS.SI-ID:11257371 New window

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