Quenching Heat Treatment Effects on the Mechanical and Microstructure Properties of AISI 304 Type Welded by GMAW Process Using Different Shielding Gases

Rasdi Deraman; M.N. Berhan

doi:10.4028/www.scientific.net/AMM.465-466.983

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 465-466Quenching Heat Treatment Effects on the Mechanical...

Quenching Heat Treatment Effects on the Mechanical and Microstructure Properties of AISI 304 Type Welded by GMAW Process Using Different Shielding Gases

Abstract:

As-received samples of an austenitic stainless steel AISI 304 type was welded by Gas metal arc welding (GMAW) robotic operation process using ER308L-Si filler metal wire. Two different atmospheres were used: 68% Argon plus 32% CO₂, and 100% Argon. The aim of this study is investigates the influence of quenching heat treatment on the mechanical and microstructure properties of AISI 304 type which welded by GMAW under different shielding gas compositions. The fractured surfaces of the tensile test specimens examined using scanning electron microscopy (S.E.M). The results showed that the welding using shielding gas of 68% Argon plus 32% CO₂ stronger than 100% Argon. After performed quenching heat treatment process, both specimens experienced a slight decreased in hardness.

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Periodical:

Applied Mechanics and Materials (Volumes 465-466)

Pages:

983-987

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.465-466.983

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Cite this paper

Online since:

December 2013

Authors:

Rasdi Deraman, M.N. Berhan

Keywords:

AISI 304, GMAW, Heat Treatment, Mechanical Property, Microstructure Properties, Shielding Gas

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