Structure and Properties of Hybrid Laser Arc Welded T-Joints (Laser Beam - MAG) in Thermo-Mechanical Control Processed Steel S700MC of 10 mm thickness

• Autorzy: Górka J.

Identyfikatory

DOI

10.24425/123785

• Języki publikacji: EN

Abstrakty

EN

In this article examinations of hybrid welding technology (laser beam + MAG) of T-joints from thermomechanically worked high strength steel S700MC 10 mm thick were presented. Joints welded from one side and both sides were made. Carried examinations enabled to classify joints in quality level B according to ISO 12932 (Welding. Laser-arc hybrid welding of steels, nickel and n ickel alloys. Quality levels for imperfections). In case of one sided welding with partial penetration with beam power of 8.5 kW 8 mm of penetration was achieved without noticeable distortion of web. Double sided joints were characterized with correct geometry. Joint metal is bainitic-ferritic in structure and its hardness rises about 40 HV1 in comparison to base metal hardness (280 HV1). In HAZ a slight softening of material in comparison to base metal is present.

Słowa kluczowe

EN

HLAW hybrid welding; T-joints; S700MC steel; quality of welded joints

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 3
• Strony: 1125--1131
• Opis fizyczny: Bibliogr. 29 poz., fot., rys., tab., wykr.

Twórcy

autor

Górka J.

• Silesian University of Technology Department of Welding Engineering, 18 A Konarskiego Str., 44-100 Gliwice, Poland

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).