Influence of Preheating and Postweld Heat Treatment on the Structure and Strength of the Wire Frame Welded Joint Made of Spring Steel C62D

Konstantin Trukhanov; Julia Golovacheva; Pavel Ditkovskiy; Pavel Levko

doi:10.4028/p-327jp3

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Influence of Preheating and Postweld Heat Treatment on the Structure and Strength of the Wire Frame Welded Joint Made of Spring Steel C62D
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 910Influence of Preheating and Postweld Heat...

Influence of Preheating and Postweld Heat Treatment on the Structure and Strength of the Wire Frame Welded Joint Made of Spring Steel C62D

Abstract:

This article investigates the automatic welding of Ø4.5 mm high carbon steel wire frame. Using spring steel wire frame in car seat fabrication reduces its weight and helps to maintain rigidity. The thermal effect during the welding process can unacceptably deteriorate the mechanical properties of the material. It is proposed to use preheating and heat treatment to obtain a joint with required mechanical properties. To reduce of effect on entire product rigidity the thermal treatment was carried out locally in the zone of joining. Heating was carried out using a gas flame. Metallographic and microhardness measurements were used for the structural study. Mechanical properties were evaluated by static tension and free bending test. The recording of thermal cycles during the welding and heat treatment was carried out using chromel-alumel and tungsten-rhenium thermocouples.

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Periodical:

Key Engineering Materials (Volume 910)

Pages:

442-449

DOI:

https://doi.org/10.4028/p-327jp3

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Online since:

February 2022

Authors:

Konstantin Trukhanov*, Julia Golovacheva, Pavel Ditkovskiy, Pavel Levko

Keywords:

Heat Treatment, High Carbon Steel, Preheating, Welding, Wire Frame

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