The effect of the regimes of pulsed laser treatment on the structure and properties of high-speed steels

1986 ◽  
Vol 28 (9) ◽  
pp. 632-636
Author(s):  
V. S. D'yachenko
Keyword(s):  
Laser Treatment ◽  
High Speed ◽  
Pulsed Laser ◽  
Structure And Properties

scholarly journals Dynamic Nanostructuring of the Steel Surface Under High-Speed Thermal Heating

2020 ◽  
Vol 329 ◽  
pp. 02018
Author(s):  
Andrey Brover ◽  
Galina Brover ◽  
Olga Moysova ◽  
Valeriya Yankovskaya
Keyword(s):  
Laser Treatment ◽  
High Speed ◽  
Steel Surface ◽  
Pulsed Laser ◽  
Strength Characteristics ◽  
Thermal Heating ◽  
Surface Layers ◽  
Nanoscale Level

The research depicts structural picture of the steel surface layers after pulsed laser treatment with surface reflow. There are factors contributing to the dispersion of forming crystals to the nanoscale level. There is also found interdependence of nanostructure and laser-irradiated products strength characteristics.

Comparison of Structure and Properties of Hard Coatings on Commercial Tool Materials Manufactured with the Pressureless Forming Method or Laser Treatment

2010 ◽  
Vol 638-642 ◽  
pp. 1830-1835 ◽  
Author(s):  
Grzegorz Matula ◽  
Mirołsaw Bonek ◽  
Leszek Adam Dobrzański
Keyword(s):  
Surface Layer ◽  
Laser Treatment ◽  
High Speed ◽  
High Speed Steel ◽  
Hard Coatings ◽  
Structure And Properties ◽  
Alloying Additions ◽  
Test Pieces ◽  
Treatment Conditions ◽  
Selection Of

The goal of the work is fabrication coatings with the pressureless forming method or laser treatment retaining the relatively high ductility of the coated tool's core. The paper presents selection of the binder portion and type, and also of the metallic and carbides powders (WC) being the constituents of the polymer-powder slurry which was applied onto the prepared surfaces of the test pieces from the conventional HS6-5-2 high speed steel. This materials was compared with the same conventional HS6-5-2 high speed steel heat-treatable steel after laser treatment conditions and alloying additions contained in WC. Investigation indicate the influence of the alloying carbides on the structure and properties of the surface layer of investigated steel depending on manufacturing conditions and power implemented laser (HPDL). In the effect of laser alloying with powders of carbides occurs size reduction of microstructure as well as dispersion hardening through fused in but partially dissolved carbides and consolidation through enrichment of surface layer in alloying additions coming from dissolving carbides. The resistivity to thermal fatique of laser remelted steel is higher than steel after heat treatment. It shows the possibility of applying the worked out technology to manufacturing or regeneration of chosen hot working tools.

Mössbauer study of surface layers of high-speed steel after laser treatment

1992 ◽  
Vol 69 (1-4) ◽  
pp. 589-592 ◽  
Author(s):  
R. Valiev ◽  
V. Bochkov ◽  
Sh. Bashkirov ◽  
E. Romanov ◽  
V. Chistjakov
Keyword(s):  
Laser Treatment ◽  
High Speed ◽  
High Speed Steel ◽  
Surface Layers ◽  
Mössbauer Study

Clinical effects of dynamic cooling during pulsed laser treatment of port-wine stains

1997 ◽  
Vol 12 (4) ◽  
pp. 320-327 ◽  
Author(s):  
E. J. Fiskerstran ◽  
K. Ryggen ◽  
L. T. Norvang ◽  
L. O. Svaasand
Keyword(s):  
Laser Treatment ◽  
Pulsed Laser ◽  
Clinical Effects ◽  
Port Wine ◽  
Port Wine Stains ◽  
Dynamic Cooling
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