Experimental Study on Microhardness and Microstructure for 7050-T7451 Aluminum Alloy of High Speed Milling

Zhao Lin Zhong; Xing Ai

doi:10.4028/www.scientific.net/AMM.401-403.783

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 401-403Experimental Study on Microhardness and...

Experimental Study on Microhardness and Microstructure for 7050-T7451 Aluminum Alloy of High Speed Milling

Abstract:

Determination of the surface integrity is of particular importance because of its influence on workpiece service life. The microstructure of 7050-T7451 aluminum alloy under the cutting speed of 3000~5000m/min was observed in this paper. With the increase of cutting speed, microhardness was analyzed to investigate the thermal softening phenomenon engendered, which would affect the surface performance in return. According to the results, influences of cutting speed on microstruceture and microhardness in high speed were explored and further research on temperature in high speed is suggested.

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Periodical:

Applied Mechanics and Materials (Volumes 401-403)

Pages:

783-786

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.401-403.783

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Online since:

September 2013

Authors:

Zhao Lin Zhong, Xing Ai

Keywords:

Aluminium Alloy, High Speed Milling, Microhardness, Microstructure

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