Effect of Heat Treatment on Impact Transition Temperature of High Strength Low Alloy Steel (HSLA) Steel Rods

Shahid Akhtar

doi:10.4028/p-5zR27p

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HomeMaterials Science ForumMaterials Science Forum Vol. 1132Effect of Heat Treatment on Impact Transition...

Effect of Heat Treatment on Impact Transition Temperature of High Strength Low Alloy Steel (HSLA) Steel Rods

Abstract:

This study is carried out to investigate the ductile to brittle fracture behavior of special high strength low alloy steel (HSLA), which is used in aerospace applications. As aerospace materials are subjected to temperature variations during their actual use therefore it is very important to know their fracture behavior with change of temperature. Alloy having 0.3 %C, 0.88 % Mn and 1.0% Si was heat treated to obtain tempered martensite and ferrite and tempered martensite structures. Impact toughness tests were carried out at temperature range from – 60 °C - 200 °C in as received, fully quenched, and tempered and quenched and tempered in two phase (a+ γ) state. Then the effect of different heat treatments on impact transition temperature was studied.

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Periodical:

Materials Science Forum (Volume 1132)

Pages:

43-47

DOI:

https://doi.org/10.4028/p-5zR27p

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Online since:

November 2024

Authors:

Shahid Akhtar*

Keywords:

Ductile to Brittle Fracture, High Strength Low Alloy Steel (HSLA), Impact Testing

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