Search results for: LASER REMELTING

• Influence of laser melting on surface layer properties of titanium alloy Ti6Al4V

  Publication

  • A. Ossowska
  • A. Zieliński
  • M. Buczek

  - JOURNAL OF BIOMECHANICS - Year 2010

  In time of rapid technology and medicine progress, implants are becoming more widely used in the human body, ranging from dental implants, stabilizing plates, screws, orthopaedic prostheses. For example, there are many types of hip prostheses used for hip replacement as well as various types of materials used for these orthopaedic prostheses. Properties of titanium alloys used in hip prostheses combined with good strength properties,...

• The Laser Surface Remelting of Austenitic Stainless Steel

  Publication

  • B. Zbigniew
  • M. Bonek
  • L. Dobrzański
  • D. Ugues
  • M. Grande
  • Z. Brytan

  - Materials Science Forum - Year 2010

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• Some aspects of laser surface remelting of aluminium alloys

  Publication

  • W. Serbiński
  • I. Skalski

  - Year 2005

  Podano podstawy procesu przetapiania laserowego stopów aluminium. Opisano rezultaty elektrochemicznych badań korozyjnych dla stopu AlSi13Mg1CuNi i porównano je ze stanem wyjściowym stopu.

• Effect of hybrid modification by ceramic layer formation in MAO process and laser remelting on the structure of titanium bio-alloy Ti13Nb13Zr

  Publication

  • J. Sypniewska
  • M. Szkodo
  • B. Majkowska-Marzec
  • A. D. Mielewczyk-Gryń

  - CERAMICS INTERNATIONAL - Year 2023

  To improve the biological properties of titanium alloy Ti13Nb13Zr, hybrid modifications involving micro-arc oxidation (MAO) and Nd: YAG laser remelting were carried out in two combinations. The first consisted of laser modification before the production of the ceramic layer by the micro-arc oxidation process, and the second combination involved Nd: YAG laser modification after the MAO process. The creation of developed surface...

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• Influence of laser remelting at cryogenic conditions on corrosion resistance of non-ferrous alloys

  Publication

  • J. Zieliński
  • W. Serbiński
  • B. Majkowska-Marzec
  • M. Jażdżewska
  • I. Skalski

  - Advances in Materials Science - Year 2009

  Celem nadtapiania laserowego elementów wytwarzanych z stopów aluminium, miedzi i tytanu jest uzyskanie wysokiej twadrości i odporności na korozję dla wydłużenia okresu ich eksploatacji w rezultacie ich szybkiej krystalizacji. Końcowa mikrostruktura, skład fazowy i właściwości wymienionych stopów zależą od parametrów obróbki laserowej oraz budowy wykresów równowagi fazowej. W artykule przedstawiono wpływ laserowego nadtapiania...

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• Effects of CO2 and Nd:YAG Laser Remelting of the Ti6Al4V Alloy on the Surface Quality and Residual Stresses

  Publication

  • M. Jażdżewska

  - Advances in Materials Science - Year 2020

  The titanium alloys are materials susceptible to tribological wear and the laser treatment can be applied in surface treatment processes to obtain for example higher hardness level. From the other side, it is important to take into consideration, that hardness increase that can be connected with cracks . The aim of this research was to investigate the effects of different lasers and the process parameters on the form and level...

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• Influence of the laser remelting parameters on the thickness of surface layers created on the stainless steel X5CrNi18-10

  Publication

  • A. Sitko

  - Year 2011

  In this work the surface of austenitic stainless steel type X5CrNi18-10 was treated by using laser. Laser remelting was done by means of laser MLT 2500 CO2 with different parameters of treatment: P - power beam (800 [W], 1000 [W], 1100 [W], 1200 [W]); v - scanning velocity (6 [mm/s], 7 [mm/s], 8 [mm/s]); diameter of laser beam (1.4 [mm], 1.6 [mm]). The influence of these parameters on the thickness and shape of layers in manufacturing...

• Effects of Laser Remelting at Cryogenic Conditions on Microstructure and Wear Resistance of the Ti6Al4V Alloy Applied in Medicine

  Publication

  • A. Zieliński
  • M. Jażdżewska
  • J. Łubiński
  • W. Serbiński

  - Solid State Phenomena - Year 2012

  The titanium and its alloys can be subjected to surface treatment, including laser treatment. In this work a new laser treatment at cryogenic conditions of Ti6Al4V alloy has been described. The work has been aimed at establishing whether such surface treatment could be suitable for implants working under wear in biological corrosive environment. The remelting has been made with the use of CO2 continuous work laser at laser power...

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• Selective Laser Melting of Ti Alloy for Manufacturing The Prosthetic Elements

  Publication

  • T. Seramak
  • K. Zasińska
  • J. Andryskowski
  • M. Motyl
  • A. Andryskowska-Ignaczak
  • A. Zieliński

  - International Journal of New Technology and Research - Year 2017

  The selective laser melting (SLM) is the additive manufacturing method of custom-designed parts. The used materials and the applications are various, including medicine. The titanium and its alloys are materials for which the dimensional quality, surface smoothness and no or extremely low porosity are difficult to reach. In this paper, the successful attempt to obtain by SLM the individually designed prosthetic bridges is described....

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• Computer-aided design and selective laser melting of porous biomimetic materials

  Publication

  • L. Dobrzański
  • A. Dobrzańska-Danikiewicz
  • T. Gaweł
  • T. Gawel

  - Advances in Materials and Processing Technologies - Year 2017

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• Multiaxial fatigue behaviour of maraging steel produced by selective laser melting

  Publication

  • R. Branco
  • J. Costa
  • J. Martins
  • C. Capela
  • F. Antunes
  • W. Macek
  • W. Macek

  - Materials & Design - Year 2021

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• Influence of Nitriding and Laser Remelting on Properties of Austenitic Stainless Steel Type X10CrNi18-8 and Cavitation Erosion Resistance

  Publication

  • A. Sitko
  • M. Szkodo
  • S. Kucharski

  - Advances in Materials Science - Year 2016

  The paper presents properties of surface layers. Surface layers were obtained by using low temperature glow–discharge nitriding process and laser remelting carried out on austenitic stainless steel type X10CrNi18-8. Investigations were done by using an Ultra Nanoindentation Tester (UNHT) in the Warsaw Institute of Fundamental Technological Research. The influence of the above mentioned...

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• Properties of surface layers of titanium alloy Ti6Al4V after laser melting processes

  Publication

  • A. Ossowska
  • A. Zieliński
  • M. Buczek

  - Advances in Materials Science - Year 2010

  The article presents the investigation results of titanium alloy Ti6Al4V surface layer after laser melting process. The process of laser melting was performed using Nd-YAG laser. The evaluation of structure of the alloy as well as hardness and chemical composition was performed. It was shown that laser melting changes the structure and properties of titanium alloy Ti6Al4V and process parameters as scanning speed affects the thickness...

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• Prosthetic Elements Made of the Ti-13Zr-13Nb Alloy by Selective Laser Melting

  Publication

  • T. Seramak
  • K. Zasińska
  • A. Zieliński
  • J. Andryskowski
  • A. Andryskowska-Ignaczak
  • M. Motylewicz

  - Advances in Materials Science - Year 2017

  The fabrication of the prosthetic foundations and bridges from the Ti-13Zr-13Nb alloy is described. The process was started from CAD/CAM design of 3D models of the foundations based on scanning of patient`s mouth. Next, 3D models were transformed into *.stl files for the manufacturing stage and then the manufacturing process by means of the selective laser melting with the SLM Realizer 100 equipment was made. The intrinsic structure...

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• The structure and melting of lead nanocrystalline layer in reduced lead-germanate glass

  Publication

  • J. Gackowska
  • M. Gazda
  • K. Trzebiatowski
  • B. Kusz

  - JOURNAL OF NON-CRYSTALLINE SOLIDS - Year 2006

  Nanokrystaliczna warstwa granul Pb na powierzchni szkieł ołowiowo-germanianowych została wytworzona poprzez wygrzewanie w wysokich temperaturach, w atmosferze wodoru. Właściwości tej warstwy silnie zależą od temperatury i czasu redukcji. Artykuł prezentuje rentgenowskie i mikroskopowe badania struktury warstwy oraz wpływ topnienia i krzepnięcia granul Pb na jej przewodnictwo.

• Alternative Local Melting-Solidification of Suspended Nanoparticles for Heterostructure Formation Enabled by Pulsed Laser Irradiation

  Publication

  • M. Perzanowski

  - ADVANCED FUNCTIONAL MATERIALS - Year 2023

• THE USE OF THE Ti-13Zr-13Nb ALLOY POWDER FOR MANUFACTURING OF PROSTHETIC PARTS BY SELECTIVE LASER MELTING

  Publication

  • T. Seramak
  • K. Zasińska
  • A. Zieliński

  - Journal of Basic and Applied Research International - Year 2017

  The 3D printing is a manufacturing technique belonging to the additive methods able to prepare the designed parts for various purposes. The present reasearch was aimed to fabricate the prosthetic foundations and bridges made of the new Ti-13Zr-13Nb alloy by the selective laser melting (SLM) of a metal powder. The scanning electron examinations and micro scanning tomography were used to investigate the surface quality and intrinsic...

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• Microstructure and wear of cast aluminium alloy with laser modified surface layer

  Publication

  • W. Serbiński
  • J. Łubiński
  • K. Druet

  - Advances in Materials Science - Year 2003

  przedstawiono wyniki badań zużycia przez tarcie przetopionego laserowo stopuAlSi13MgCuNi w warunkach tribologicznych. Wykazano, iż zużycie i współczyn-nik tarcia są zależne od parametrów obróbki laserowej w warunkach kriogeni-cznych.

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• Evaluation of Surface Topography after Face Turning of CoCr Alloys Fabricated by Casting and Selective Laser Melting

  Publication

  • M. Krawczyk
  • M. Królikowski
  • D. Grochała
  • B. Powałka
  • P. Figiel
  • S. Wojciechowski

  - Materials - Year 2020

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• Determinants of the surface quality, density and dimensional correctness in selective laser melting of the Ti-13Zr-13Nb alloy

  Publication

  • T. Seramak
  • K. Zasińska
  • M. Mesnard
  • K. Bednarz
  • P. Fic
  • A. Zieliński

  - Materiaux & Techniques - Year 2018

  Selective laser melting is widely used for custom-designed elements. Successful manufacturing depends on laser treatment parameters and material features. This research aimed to determine the effects of laser power, scan time and hatch distance on surface quality, relative density and dimensional precision for cuboids made of the Ti-13Zr-13Nb alloy. The influence of energy density, energy flux and pre-heating was seen to be decisive...

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• Synthesis, structural characterization, and thermal properties of Ca‐ and La‐doped soda‐lime glasses by laser melting

  Publication

  • S. Ali
  • N. A. Wójcik
  • B. Jonson
  • E. Kamitsos
  • X. Li
  • J. Luo
  • D. Möncke

  - International Journal of Applied Glass Science - Year 2020

  Laser melting techniques have been used in the preparation of unconventional glass compositions with high melting temperatures. Thus, we wanted to test the feasibility of using a CO2 laser in the preparation of nitrogen-rich oxynitride glasses and nitride silicate glasses. Melting from oxides and metallic raw materials, we wanted to study first glass formation and possible evaporation losses of the glass components. Two glass series...

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• Influence of Laser Treatment on Microstructure of Surface Layer of the Ti-6Al-4V Alloy

  Publication

  • W. Serbiński
  • A. Zieliński
  • A. Dziadoń
  • M. Jażdżewska

  - Year 2007

  Przedstawiono mikrostrukturę powierzchni, przekroju i przełomu warstwy wierzchniej stopu Ti-6Al-4V uzyskanej po nadtapianiu laserem w różnym środowisku. Stwierdzono wzrost mikrotwardości stopu w warstwie nadtopionej, rozdrobnienie ziarna, a także tworzenie azotków tytanu i mikropęknięć skutkiem obecności znacznych naprężeń własnych. Grubość wytworzonych warstw osiągała wartość 1,5 mm.

• The phase composition of the surface layer of laser melted Ti-6Al-4V bioalloy

  Publication

  • B. Świeczko-Żurek
  • M. Jażdżewska
  • A. Zieliński

  - Engineering of Biomaterials / Inżynieria Biomateriałów - Year 2006

  Zastosowanie metody obróbki laserowej stopów Ti zwiekszyły twardość i odporność stopu na korozję. Jednakże uzyskane warstwy były stosunkowo cieńkie. W pracy zastosowano laser o dużej mocy dla stopu schłodzonego w ciekłym azocie, aby uzyskać grubszą warstwę, która w strefie zewnętrznej złożona będzie z tlenku i azotku tytanu, ważnych faz w biostopach.

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• Laser assisted forming of the surface layer of Al-Si alloy at cryogenic conditions.

  Publication

  • W. Serbiński
  • A. Zieliński
  • T. Wierzchoń

  - Year 2004

  W artykule przedstawiono wpływ powierzchniowego laserowego przetapiania w warunkach kriogenicznych na mikrostrukturę, mikrotwardość i własności korozyjne stopu AlSi13Mg1CuNi. Stwierdzono korzystny wpływ obróbki laserowej na mikrostrukturę, mikrotwardość i odporność na zużycie ścierne badanego stopu aluminium.

• Laser Therapy

  Journals

  ISSN: 0898-5901

• Wear Resistance Enhancement of Al6061 Alloy Surface Layer by Laser Dispersed Carbide Powders

  Publication

  • R. Jendrzejewski
  • J. Łubiński
  • G. Śliwiński

  - Materials - Year 2020

  In this paper, results of the experimental study on improving wear resistance in sliding friction of Al-based alloy are presented. The technique used involves the formation of a metal matrix composite (MMC) in the alloy surface layer by laser dispersion of carbide powders such as WC, TiC and SiC. For WC and TiC MMC surface coatings fabricated under conditions typical for most of the technologically relevant solid-state lasers (wavelength...

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• Wpływ nadtapiania laserowego w warunkach kriogenicznych na strukturę warstwy wierzchniej stopu Ti-6Al-4V = Effect of laser melting at cryogenic conditions on structure of the surface layer of the Ti-6Al-4V alloy

  Publication

  • M. Jażdżewska
  • W. Serbiński
  • A. Zieliński
  • A. Narożniak-Łuksza

  - Year 2006

  Wykonano nadtapianie laserowe stopu Ti-6Al-4V zanurzonego w środowisku ciekłego azotu. Badania mikroskopowe wykazały znaczący wpływ parametrów nadtapiania na grubość, mikrostrukturę i mikrotwardośc warstwy wierzchniej.

• OPTICS AND LASER TECHNOLOGY

  Journals

  ISSN: 0030-3992 , eISSN: 1879-2545

• Selective Laser Sintering And Melting Of Pristine Titanium And Titanium Ti6Al4V Alloy Powders And Selection Of Chemical Environment For Etching Of Such Materials

  Publication

  • L. Dobrzański
  • A. Dobrzańska-Danikiewicz
  • T. Gaweł
  • A. Achtelik-Franczak
  • T. Gawel

  - Archives of Metallurgy and Materials - Year 2015

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• On the Microstructure, Microhardnessand Wear Behavior of Gray Cast Iron Surface Layer after Laser Strengthening

  Publication

  • E. Feldshtein
  • O. Devojno
  • S. Wojciechowski
  • M. Kardapolava
  • I. Kasiakova

  - Materials - Year 2022

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• Formation of surface layer in metal matrix composite A359/20SiCP during laser assisted turning

  Publication

  • D. Przestacki
  • P. Szymanski
  • S. Wojciechowski

  - COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING - Year 2016

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• Ordered titania nanotubes layer selectively annealed by laser beam for high contrast electrochromic switching

  Publication

  • K. Siuzdak
  • M. Szkoda
  • M. Sawczak
  • J. Karczewski
  • J. Ryl
  • A. Cenian

  - THIN SOLID FILMS - Year 2018

  The phase conversion from amorphous into crystalline one in the selected area of as-anodized titania nanotubes was achieved via laser treatment. The optimized processing parameters enable fast, one-minute crystallization of titania within an area limited by a shadow mask and without any morphology damage of ordered TiO2 tubular film. The laser annealed titania nanotubes could be easily overgrown by a conducting polymer without...

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• Experimental investigation of selective laser melting parameters for higher surface quality and microhardness properties: taguchi and super ranking concept approaches

  Publication

  • R. Sheshadri
  • M. Nagaraj
  • A. Lakshmikanthan
  • M. Chandrashekarappa
  • D. Pimenov
  • K. Giasin
  • R. Prasad
  • S. Wojciechowski

  - Journal of Materials Research and Technology-JMR&T - Year 2021

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• Some coatings of high cavitation resistance produced by CO2 laser beam. XIV International Symposium on Gas Flow, Chemical Lasers and High Power Lasers.

  Publication

  • B. G. Gireń
  • M. Szkodo

  - Proceedings of SPIE - Year 2003

  Przedstawiono wyniki badań odporności kawitacyjnej stali 2H13, 45 i żelaza Armco po laserowym stopowaniu ich powierzchni różnymi kompozycjami proszków Co, Mo, Ni, Mn i Cr, Ti. Wykazano różne własności kawitacyjne otrzymanych warstw w zależności od otrzymanej mikrostruktury.

• Surface Layer Properties of Sintered Ferritic Stainless Steel Remelted and Alloyed with FeNi and Ni by HPDL Laser

  Publication

  • Z. Brytan
  • M. Bonek
  • L. Dobrzański
  • W. Pakieła

  - Advanced Materials Research - Year 2011

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• Laser and Optoelectronics Progress

  Journals

  ISSN: 1006-4125

• Infrared and Laser Engineering

  Journals

  ISSN: 1007-2276

• JOURNAL OF LASER APPLICATIONS

  Journals

  ISSN: 1042-346X , eISSN: 1938-1387

• LASER AND PARTICLE BEAMS

  Journals

  ISSN: 0263-0346 , eISSN: 1469-803X

• LASER FOCUS WORLD

  Journals

  ISSN: 1043-8092

• Laser & Photonics Reviews

  Journals

  ISSN: 1863-8880 , eISSN: 1863-8899

• LASER PHYSICS LETTERS

  Journals

  ISSN: 1612-2011 , eISSN: 1612-202X

• Modyfikacja powierzchni stopu Ti16Al4V przez nadtapianie laserowe w niskich temperaturach = Surface modification of the Ti6A14V alloy by laser melting in low temperature

  Publication

  • M. Jażdżewska
  • A. Zieliński

  - Year 2005

  Przedstawiono założenia projektu badawczego zmierzającego do modyfikacji powierzchniowej stopu Ti6Al4V i uzyskaniu lepszej odporności na zużycie ścierne, tribokorozję i zmęczenie korozyjne dzięki nadtopieniu powierzchni stopu laserem w warunkach kriogenicznych.

• Cavitation resistance of OH18N9 steel alloyed with vaidus amount of TiC or Mn by means of laser beam. XIV International Symposium on Gas Flow, Chemical Lasers and High Power Lasers.

  Publication

  • M. Szkodo
  • B. G. Gireń

  - Proceedings of SPIE - Year 2003

  Przedstawiono badania odporności kawitacyjnej stali OH18N9T po laserowym stopowaniu jej powierzchni węglikiem TiC oraz manganem. Wykazano, że wzbogacenie obrabianej stali manganem powoduje przemiany fazowe pod wpływem działania obciążeń kawitacyjnych, co przyczynia się do wzrostu odporności kawitacyjnej. Wzmacnianie stali węglikiem TiC powoduje natomiast zanik zdolności stali do wzmacniania odkształceniowego.

• LASERS IN ENGINEERING

  Journals

  ISSN: 0898-1507 , eISSN: 1029-029X

• PHOTOMEDICINE AND LASER SURGERY

  Journals

  ISSN: 1549-5418 , eISSN: 1557-8550

• JOURNAL OF RUSSIAN LASER RESEARCH

  Journals

  ISSN: 1071-2836 , eISSN: 1573-8760

• Journal of Cosmetic and Laser Therapy

  Journals

  ISSN: 1476-4172 , eISSN: 1476-4180

• Photobiomodulation Photomedicine and Laser Surgery

  Journals

  eISSN: 2578-5478

• Journal of Laser Micro Nanoengineering

  Journals

  ISSN: 1880-0688