EFFECT OF CHILLED FSP ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF 7075 ALUMINUM ALLOY

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LALPOUR A.; SOLTANI POUR A.; FARMANESH KH.

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2016 | Volume:12 | Issue:28 Page(s): 27-37

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Title

EFFECT OF CHILLED FSP ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF 7075 ALUMINUM ALLOY

Author(s)

LALPOUR A. | SOLTANI POUR A. | FARMANESH KH. | Issue Writer Certificate

Keywords

SEVER PLASTIC DEFORMATION (SPD)Q2

RECRYSTALLIZATIONQ2

NANO GRAINQ2

SUPER PLASTICITYQ2

Abstract

The FSP can be used as a generic process to modify the microstructure, refine the grains and change the composition, at selective locations. During FSP, the material that flows around the tool undergoes extreme levels of plastic deformation, that causes RECRYSTALLIZATION and grain growth mechanism and is why the solid state processing technique that causes SUPER PLASTICITY. The NANO GRAINed alloy exhibited SUPER PLASTICITY at relatively lower temperatures and/or higher strain rates. In this research, FSP and cooling condition was used to create a microstructure with NANO GRAINs in a 7075 Aluminum alloy. Using cooling conditions don’t let grain growth, so can be achieved to NANO GRAIN structure. Cooling condition contains of alcohol, ice, dry ice and liquid nitrogen. Optimum ductility at an initial strain rate of 1×10−3 s−1 was obtained on the 500oC. Current results suggest that FSP and cooling system can be developed as a simple yet effective technique for producing microstructure amenable for SUPER PLASTICITY at high strain rates and/or lower temperatures.

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APA: Copy

LALPOUR, A., SOLTANI POUR, A., & FARMANESH, KH.. (2016). EFFECT OF CHILLED FSP ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF 7075 ALUMINUM ALLOY. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, 12(28), 27-37. SID. https://sid.ir/paper/121138/en

Vancouver: Copy

LALPOUR A., SOLTANI POUR A., FARMANESH KH.. EFFECT OF CHILLED FSP ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF 7075 ALUMINUM ALLOY. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2016;12(28):27-37. Available from: https://sid.ir/paper/121138/en

IEEE: Copy

A. LALPOUR, A. SOLTANI POUR, and KH. FARMANESH, “EFFECT OF CHILLED FSP ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF 7075 ALUMINUM ALLOY,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. 12, no. 28, pp. 27–37, 2016, [Online]. Available: https://sid.ir/paper/121138/en

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