The Friction Welding Characteristic Analysis of the Al 7075-T6 According to the Spindle Speed and Upset Pressure

Il Taek Lee; Hyun Sik Kim; Changon Park; Dong Pyo Hong; Hee Yong Kang

doi:10.4028/www.scientific.net/AMR.690-693.2647

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693The Friction Welding Characteristic Analysis of...

The Friction Welding Characteristic Analysis of the Al 7075-T6 According to the Spindle Speed and Upset Pressure

Abstract:

The propeller shaft of rear-wheel drive vehicle is an axis which transfers power from an engine to rear-wheel through differential gear box. In this study, we studied the properties of friction welding required to produce the aluminum propeller shaft of lightweight rear-wheel-drive vehicle. We studied welding property to apply Al 7075-T6 aluminum yoke to automobile connects driving shaft and differential gear box. Here, solid phase friction welding method was used. In friction welding process, the principal parameter is spindle speed, up-set pressure and up-set time. We analyzed variable characteristics of friction welding strength according to the change of the spindle rate and up-set pressure. Friction welding strength was analyzed with ultimate tensile strength test with universal testing machine (UTM). The Al 7075-T6 was used as the round bar of the diameter of 25mm. The ultimate tensile strength was 552.3 MPa. It is 94% of ultimate tensile strength of pure Al 7075-T6 material. The main parameters of characteristics are discussed in detail based on analysis of the main effects plot and multi-vari chart. Finally, the core factors to get the maximum effect of friction welding investigated.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

2647-2650

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.2647

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Online since:

May 2013

Authors:

Il Taek Lee*, Hyun Sik Kim, Changon Park, Dong Pyo Hong, Hee Yong Kang

Keywords:

AA7075, Friction Welding, Spindle Speed, Upset Pressure

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References

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