Choice of Heat Treatment Regimes for Welded Joints of Preliminarily Mechanically Hardened Steels

Mazukhina, E. A.; Priymak, E. Yu.; Gryzunov, V. I.; Firsova, N. V.

doi:10.1007/s11041-015-9842-1

Cited by 2 publications

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“…Several studies demonstrated how microstructure and mechanical properties can be significantly modified by induction heat treatments applied to a wide range of iron-based materials and applications. Different research papers investigated the influence of operating parameters on the mechanical properties, with the focus on bulk materials [5][6][7], superficial aspects [8,9] and welded parts [10,11]. Guo et al [12] showed how the combination of the induction heat and surface peening treatments improved the yield strength without significantly impacting the ductility of pure iron.…”

Section: Introductionmentioning

confidence: 99%

Localized heat treatment to improve the formability of steel pipes for hydraulic applications: process design and mechanical characterization

Bruno

Canto²,

Luciani³

2021

Int J Adv Manuf Technol

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Section: Introductionmentioning

confidence: 99%

Localized heat treatment to improve the formability of steel pipes for hydraulic applications: process design and mechanical characterization

Bruno

Canto²,

Luciani³

2021

Int J Adv Manuf Technol

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Section: Introductionmentioning

confidence: 99%

Localized Heat Treatment to Improve the Formability of Steel Pipes for Hydraulic Applications: Process Design and Mechanical Characterization

Bruno

Canto²,

Luciani³

2021

Preprint

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In the present work, authors have demonstrated how a localized induction heat treatment can be advantageously applied, controlled and mechanically characterized on a specific part – i.e. on steel hose fittings for hydraulic applications. More specifically, the study shows how this specific type of heat treatment facilitates the acquisition of significant localization effects on mechanical properties, and how such a treatment could act as a powerful tool for material optimization in diverse applications. The instrumented micro-indentation test was adopted as the investigation method for mechanical characterization and, due to the reduced amount of material required for the test, has the double advantage of retrieving potential spatial gradients of the mechanical properties without causing permanent damage to the entirety of analyzed parts. The measurement of both the Vickers hardness and plastic work required to make the indentation that would be necessary to quantify the strength and ductility capability of the parts’ material. In addition, a customized tensile test, based on the strains measurement obtained through an optical full-field method – i.e. Digital Image Correlation (DIC) – was developed with the aim of identifying and quantifying the correlation between the material properties attainable through a conventional tensile test and those measured by the instrumented micro-indentation test. Finally, it was demonstrated that the proposed customized tensile test, due to the localized heat treatment, is capable of retrieving potential spatial gradients of material properties.

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Choice of Heat Treatment Regimes for Welded Joints of Preliminarily Mechanically Hardened Steels

Cited by 2 publications

References 0 publications

Localized heat treatment to improve the formability of steel pipes for hydraulic applications: process design and mechanical characterization

Localized heat treatment to improve the formability of steel pipes for hydraulic applications: process design and mechanical characterization

Localized Heat Treatment to Improve the Formability of Steel Pipes for Hydraulic Applications: Process Design and Mechanical Characterization

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