Development of High-Temperature Nicrobrazed Joints Using Induction Heating in an Argon Gas Environment

Venkatesu, Sadu; Chaurasia, P. K.; Murugan, S.; Venugopal, S.

doi:10.1007/s12666-015-0696-4

Trans Indian Inst Met

2015

DOI: 10.1007/s12666-015-0696-4

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Development of High-Temperature Nicrobrazed Joints Using Induction Heating in an Argon Gas Environment

Sadu Venkatesu

P. K. Chaurasia

S. Murugan

et al.

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Effects of local gas shielding on induction brazing of stainless steel: an experimental approach

Weis,

Grunert,

Fedorov

et al. 2024

Weld World

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Ni-based brazing fillers are primarily utilized in vacuum furnaces or continuous furnaces. However, the application of such furnace techniques imposes technical and economic limitations on the size of brazeable components. Induction brazing offers an alternative to overcome these limitations, enabling the brazing of large components by means of localized heating and gas shielding. This study aims to improve the understanding of process control and required gas quality for effective brazing by conducting experiments on tube-to-tube joints using Ni-based brazing alloys. To determine their impact on brazing outcomes, process gases with varying oxygen contents were systematically tested. The microstructure of the brazed joints was analyzed by light microscopy. The influence of process gas quality on corrosion behavior was examined using a capillary microcell. High residual oxygen contents in the process gas led to a shift in the corrosion potentials. Additionally, the mechanical properties of the joints are affected. Therefore, the monotonic mechanical properties were investigated at ambient temperature. The findings of this research offer practical recommendations and present a newly developed shielding gas nozzle for industrial applications. These insights support the optimization of induction brazing processes and highlight the potential for increasing the quality and efficiency of brazing large components.

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Effects of local gas shielding on induction brazing of stainless steel: an experimental approach

Weis,

Grunert,

Fedorov

et al. 2024

Weld World

View full text Add to dashboard Cite

show abstract

A Study of Laser Beam Welding, Gas Tungsten Arc Welding and High Temperature Brazing Processes on Micro hardness and Tensile Strength of AISI Type 316 Stainless Steel

Venkatesu¹,

Gangaraju²,

Bhaskar³

et al. 2018

Procedia Computer Science

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Development of High-Temperature Nicrobrazed Joints Using Induction Heating in an Argon Gas Environment

Cited by 2 publications

References 2 publications

Effects of local gas shielding on induction brazing of stainless steel: an experimental approach

Effects of local gas shielding on induction brazing of stainless steel: an experimental approach

A Study of Laser Beam Welding, Gas Tungsten Arc Welding and High Temperature Brazing Processes on Micro hardness and Tensile Strength of AISI Type 316 Stainless Steel

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