LASER WELDING WITH MICRO-JET COOLING FOR TRUCK FRAME WELDING

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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology

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ISSN: 1896-0596
eISSN: 2300-861X

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VOLUME 12 , ISSUE SE (December 2017) > List of articles

LASER WELDING WITH MICRO-JET COOLING FOR TRUCK FRAME WELDING

Jan PIWNIK / Bożena SZCZUCKA-LASOTA / Tomasz WĘGRZYN * / Wojciech MAJEWSKI

Keywords : truck frames, exploitation and safety conditions, welding, alloy elements, micro-jet technology

Citation Information : Transport Problems. Volume 12, Issue SE, Pages 107-114, DOI: https://doi.org/10.20858/tp.2017.12.se.9

License : (CC BY 4.0)

Received Date : 23-February-2017 / Accepted: 24-November-2017 / Published Online: 30-March-2018

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ABSTRACT

The aim of this paper is to analyse the mechanical properties of the weld steel structure of car body truck frames after laser welding. The best welding conditions involve the use of proper materials and alloy elements in steel and filer materials, in addition to welding technology, state of stress and temperature of exploitation. We present for the first time the properties of steel track structures after laser welding with micro-jet cooling. Therefore, good selection of both welding parameters and micro-jet cooling parameters is very important to achieve a proper steel structure. In this study, the metallographic structure, tensile results and impact toughness of welded joints have been analysed in terms of welding parameters.

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