The influence of laser processing on microstructure and selected properties of the diffusion boronized layers produced on tool steel for metal forming
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F20%3A00346476" target="_blank" >RIV/68407700:21220/20:00346476 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.37904/metal.2020.3481" target="_blank" >https://doi.org/10.37904/metal.2020.3481</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.37904/metal.2020.3481" target="_blank" >10.37904/metal.2020.3481</a>
Alternative languages
Result language
angličtina
Original language name
The influence of laser processing on microstructure and selected properties of the diffusion boronized layers produced on tool steel for metal forming
Original language description
The paper presents the study results of microstructure, phase composition, microhardness and wear resistance of Vanadis-6 tool steel after diffusion boriding and laser processing. In this study the diode laser device was used. As a result of diffusion boriding the obtained surface layers were characterized by needle-like microstructure with good cohesion with the substrate but in the subsurface area delamination and porosity could be observed. Therefore the diffusion boronized layer was processed using laser heat treatment. As a result of influence of the laser beam, three zones were obtained. The remelted zone near the surface, next the heat affected zone and finally steel substrate were observed. The newly created microstructure in the remelted zone consisted of boron-martensite eutectic. Microhardness of boronized layer after laser processing in comparison to the one without laser processing was slightly lower and was approx. from 1300 HV0.1 to 1100 HV0.1. It was found that additional advantage of laser processing of boronized layers was the presence of heat affected zone. This led to obtaining a mild microhardness gradient between the surface and the substrate. The boronized layer after laser processing was characterized by higher wear resistance in comparison to one not subjected to this kind of processing.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20501 - Materials engineering
Result continuities
Project
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Continuities
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
METAL 2020 - Conference Proceedings
ISBN
978-80-87294-97-0
ISSN
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e-ISSN
2694-9296
Number of pages
7
Pages from-to
295-301
Publisher name
TANGER
Place of publication
Ostrava
Event location
Brno
Event date
May 20, 2020
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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