CHARACTERIZATION OF TITANIUM LASER WELDS

Butt welding of commercially pure titanium Grade 1 and Ti6Al4V alloy sheets using a pulsed Nd:YAG laser KLS 246 - 102 LASAG were carried out to determine optimal values of pulse energy and pulse length to create completely penetrated weld. Surface peak power density of about 3.105 W.cm−2 was found a...

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Main Authors: Hana Chmelíčková, Helena Hiklová, Lukáš Václavek, Jan Tomáštík, Radim Čtvrtlík
Format: Article
Language:English
Published: CTU Central Library 2020-06-01
Series:Acta Polytechnica CTU Proceedings
Subjects:
Online Access:https://ojs.cvut.cz/ojs/index.php/APP/article/view/6710
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author Hana Chmelíčková
Helena Hiklová
Lukáš Václavek
Jan Tomáštík
Radim Čtvrtlík
author_facet Hana Chmelíčková
Helena Hiklová
Lukáš Václavek
Jan Tomáštík
Radim Čtvrtlík
author_sort Hana Chmelíčková
collection DOAJ
description Butt welding of commercially pure titanium Grade 1 and Ti6Al4V alloy sheets using a pulsed Nd:YAG laser KLS 246 - 102 LASAG were carried out to determine optimal values of pulse energy and pulse length to create completely penetrated weld. Surface peak power density of about 3.105 W.cm−2 was found as an optimal value. Weld dimensions, both face width and penetration depth, are found to be proportional to increasing energy and decreasing pulse length. Gentle sagging and root penetration were revealed by means of contact surface profilometry. The nanohardness tests on transverse cross-sections detected approximately 50% higher hardness in the fusion zone than in the base material.
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spelling doaj.art-82c926f450e04dc3b940d37b269004652022-12-21T19:04:53ZengCTU Central LibraryActa Polytechnica CTU Proceedings2336-53822020-06-0127014514810.14311/APP.2020.27.01455240CHARACTERIZATION OF TITANIUM LASER WELDSHana Chmelíčková0Helena Hiklová1Lukáš Václavek2Jan Tomáštík3Radim Čtvrtlík4Joint Laboratory of Optics of Palacký University and Institute of Physics AS CR, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech RepublicJoint Laboratory of Optics of Palacký University and Institute of Physics AS CR, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech RepublicJoint Laboratory of Optics of Palacký University and Institute of Physics AS CR, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech RepublicRegional Centre of Advanced Technologies and Materials, Joint Laboratory of Optics of Palacký University and Institute of Physics AS CR, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech RepublicInstitute of Physics of the Czech Academy of Sciences, Joint Laboratory of Optics of Palacký University and Institute of Physics AS CR, 17. listopadu 50a, 772 07 Olomouc, Czech RepublicButt welding of commercially pure titanium Grade 1 and Ti6Al4V alloy sheets using a pulsed Nd:YAG laser KLS 246 - 102 LASAG were carried out to determine optimal values of pulse energy and pulse length to create completely penetrated weld. Surface peak power density of about 3.105 W.cm−2 was found as an optimal value. Weld dimensions, both face width and penetration depth, are found to be proportional to increasing energy and decreasing pulse length. Gentle sagging and root penetration were revealed by means of contact surface profilometry. The nanohardness tests on transverse cross-sections detected approximately 50% higher hardness in the fusion zone than in the base material.https://ojs.cvut.cz/ojs/index.php/APP/article/view/6710elasticity, laser welding, nanohardness, surface profile, titanium
spellingShingle Hana Chmelíčková
Helena Hiklová
Lukáš Václavek
Jan Tomáštík
Radim Čtvrtlík
CHARACTERIZATION OF TITANIUM LASER WELDS
Acta Polytechnica CTU Proceedings
elasticity, laser welding, nanohardness, surface profile, titanium
title CHARACTERIZATION OF TITANIUM LASER WELDS
title_full CHARACTERIZATION OF TITANIUM LASER WELDS
title_fullStr CHARACTERIZATION OF TITANIUM LASER WELDS
title_full_unstemmed CHARACTERIZATION OF TITANIUM LASER WELDS
title_short CHARACTERIZATION OF TITANIUM LASER WELDS
title_sort characterization of titanium laser welds
topic elasticity, laser welding, nanohardness, surface profile, titanium
url https://ojs.cvut.cz/ojs/index.php/APP/article/view/6710
work_keys_str_mv AT hanachmelickova characterizationoftitaniumlaserwelds
AT helenahiklova characterizationoftitaniumlaserwelds
AT lukasvaclavek characterizationoftitaniumlaserwelds
AT jantomastik characterizationoftitaniumlaserwelds
AT radimctvrtlik characterizationoftitaniumlaserwelds