Orbital Welding of Heterogeneous Joints

Ladislav Kolařík; Marie Kolaříková; Ondřej Husák

doi:10.4028/www.scientific.net/MSF.919.10

Paper Titles

Preface, Committee

Metallographic Analysis of the Suitability of a WC-Co Powder Blend for Selective Laser Melting Technology
p.3

Orbital Welding of Heterogeneous Joints
p.10

The Influence of Finishing Strategy on the Quality of Surface
p.18

Structural Changes in Metals during Laser Cutting
p.25

Effect of Nanoadditives on the Structure and Properties of Austempered Ductile Irons
p.34

Impact Testing of H13 Tool Steel Processed with Use of Selective Laser Melting Technology
p.43

Electroless Composite Nickel Coatings Strengthening with TiN Nanoparticles Plated on Ductile Cast Iron
p.52

The Solution Design of Hobbing Worm Milling Cutters Face Teeth Undercut
p.59

HomeMaterials Science ForumMaterials Science Forum Vol. 919Orbital Welding of Heterogeneous Joints

Orbital Welding of Heterogeneous Joints

Abstract:

The paper summarizes the conclusions of the study prepared in cooperation with Janka engineering s.r.o. in production of pipe-tube joints. The parent materials (PM) were unalloyed steel P265GH and high-alloy steel X10CrNiTi 18-9. The GTAW method with filler material (FM) OK Autrod 309LSi was used. Welding parameters were optimized and their influence on the change of structure and mechanical properties of the weld joint was determined. The influence of diffusion transition zones with a marked increase of hardness was found. It was confirmed that when using low heat input, despite the formation of diffusion zones, the quality of welded joints is satisfactory.

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Periodical:

Materials Science Forum (Volume 919)

Pages:

10-17

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.919.10

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Online since:

April 2018

Authors:

Ladislav Kolařík, Marie Kolaříková*, Ondřej Husák

Keywords:

Heterogeneous Joints, Joint Tube-Tubesheet, Orbital Welding, P265GH, X10CrNiTi 18-9

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References

[1] Kolařík,L., Husák, O.: The Orbital Welding of Joints type Tube-Tubesheet for Pressure Equipment (Orbitální svařování spojů typu trubka-trubkovnice pro tlaková zařízení), XXXIII. Days of Welding Technology, ESAB Vamberk, Rychnov nad Kněžnou, (2017).

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[2] Company Materials Janka Engineering s.r.o.

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[3] Krejčí, L., Hlavatý, I., Ševčíková, X.: Transition zones study of the heterogenous welded joints, Source of the Document METAL 2013 - 22nd International Conference on Metallurgy and Materials, Conference Proceedings pp.785-789.

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[4] Janovec, J., Ducháček, P.: Cracks in Heterogeneous Welds (Trhliny v heterogenních svarech), XXXIII. Days of Welding Technology, ESAB Vamberk, Rychnov nad Kněžnou, (2017).

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