Application of Laser Remelting Treatments to Improve the Properties of Ti6Al4V Alloy

2012 ◽  
Vol 713 ◽  
pp. 25-30 ◽  
Author(s):  
M.R. Amaya-Vázquez ◽  
J.M. Sánchez-Amaya ◽  
Z. Boukha ◽  
K. El Amrani ◽  
Francisco Javier Botana
Keyword(s):  
Corrosion Resistance ◽  
High Power ◽  
Laser Processing ◽  
Shielding Gas ◽  
Laser Remelting ◽  
Medium Energy ◽  
Present Contribution ◽  
First Time ◽  
Power Diode ◽  
High Power Diode Laser

Ti6Al4V is the α-β alloy most employed in industry. The modification of its properties can be achieved with conventional heat treatments and/or with laser processing. Laser remelting (LR) has been applied to Ti6Al4V by other authors with excimer and Nd-YAG laser, employing pure argon as shielding gas to prevent risk of oxidation. In the present contribution, LR has been applied for the first time with a high power diode laser shielded with argon to improve the properties of Ti6Al4V. Results showed that remelted samples (with medium energy densities) have higher microhardness and better corrosion resistance than Ti6Al4V base metal.

Microstructure, microhardness and corrosion resistance of remelted TiG2 and Ti6Al4V by a high power diode laser

2012 ◽  
Vol 56 ◽  
pp. 36-48 ◽  
Author(s):  
M.R. Amaya-Vazquez ◽  
J.M. Sánchez-Amaya ◽  
Z. Boukha ◽  
F.J. Botana
Keyword(s):  
Corrosion Resistance ◽  
Diode Laser ◽  
High Power ◽  
Power Diode ◽  
High Power Diode Laser

Cladding of Tungsten Carbide and Stellite Using High Power Diode Laser to Improve the Surface Properties of Stainless Steel

2012 ◽  
Vol 585 ◽  
pp. 498-501 ◽  
Author(s):  
Raghuvir Singh ◽  
S.K. Tiwari ◽  
Suman K. Mishra
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
Tungsten Carbide ◽  
Diode Laser ◽  
High Power ◽  
Surface Engineering ◽  
Industrial Applications ◽  
Engineering Technique ◽  
Power Diode ◽  
High Power Diode Laser

Surface engineering is one of the most viable methods, in addition to development of new alloys and equipment design, to minimize degradation due to cavitation erosion, and corrosion. Laser surface cladding is relatively a newer engineering technique to produce metallurgically bonded coating for industrial applications due to its inherent benefits. Present paper reports the results obtained on the laser cladding of stainless steel with tungsten carbide (WC) and stellite alloy powder using high power diode laser (HPDL) at various laser parameters. Cladded specimens were characterized for erosion, and corrosion resistance. Both WC and stellite cladding have increased the erosion resistance of stainless steels. WC cladding was found to reduce the corrosion resistance of steel while stellite showed it to increase significantly.

High power diode laser treatments for improving corrosion resistance of A380/SiCp aluminium composites

2008 ◽  
Vol 202 (17) ◽  
pp. 4291-4301 ◽  
Author(s):  
F. Viejo ◽  
A. Pardo ◽  
J. Rams ◽  
M.C. Merino ◽  
A.E. Coy ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Diode Laser ◽  
High Power ◽  
Laser Treatments ◽  
Power Diode ◽  
High Power Diode Laser

GaAs-Based High Power Diode Laser

2012 ◽  
Vol 538-541 ◽  
pp. 1852-1856
Author(s):  
Yuan Yuan Gu ◽  
Guo Xing Wu ◽  
Hui Lu ◽  
Yan Cui
Keyword(s):  
Diode Laser ◽  
High Power ◽  
Laser Processing ◽  
Diode Lasers ◽  
Device Structure ◽  
Laser Sources ◽  
Overall Efficiency ◽  
New Generation ◽  
Power Diode ◽  
High Power Diode Laser

High-power diode lasers based on GaAs semiconductor bars are well established as reliable and highly efficient laser sources. The device structure and stack technology of edge-emitting diode laser were presented briefly as well as the development of electro-optical conversion efficiency ,lifetime , power .The technology of ten-thousand –watt level high power diode laser was introduced as a new generation of laser processing equipment. In order to output high power, we utilized polarization coupling technology to couple two 808nm and 880nm laser diode stack together, and designed the optical system to expand and focus the beam, through the experiment; we realize the overall efficiency more than 90%, power output 1000W.

scholarly journals High power diode laser remelting of metals

2014 ◽  
Vol 497 ◽  
pp. 012010
Author(s):  
H Chmelickova ◽  
J Tomastik ◽  
R Ctvrtlik ◽  
J Supik ◽  
S Nemecek ◽  
...  
Keyword(s):  
Diode Laser ◽  
High Power ◽  
Laser Remelting ◽  
Power Diode ◽  
High Power Diode Laser

Laser remelting of Ti6AL4V using high power diode laser

2012 ◽  
Author(s):  
M. R. Amaya-Vázquez ◽  
J. M. Sánchez-Amaya ◽  
Z. Boukha ◽  
K. El Amrani ◽  
F. J. Botana
Keyword(s):  
Diode Laser ◽  
High Power ◽  
Laser Remelting ◽  
Power Diode ◽  
High Power Diode Laser
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