The Experimental Investigation Of Fatigue Test For Spot Welded Structural Joint

Muhammad Nabil, Mohammed Sufian (2015) The Experimental Investigation Of Fatigue Test For Spot Welded Structural Joint. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) The Experimental Investigation Of Fatigue Test For Spot Welded Structural Joint.pdf - Submitted Version Download (441kB)

Abstract

The experimental investigation of fatigue test for spot welded structural joint is a study about joining using the resistance spot welding and been testing using fatigue machine. This study more focuses on using of different type of material and different thickness that using aluminium and galvanized iron with thickness 1 mm and 0.5 mm each. The parameter for the resistance spot welding and fatigue machines is constant for each specimen used. The S-N curve is obtained from the fatigue testing for each specimen. The result shows that the combination of aluminium-galvanized iron with thickness 1 mm each is easy to fail and have low number of cycle. Furthermore, the aluminium thickness 1 mm and 0.5 mm joining shows that the specimen failures at number of cycle 58 with fatigue stress 2.71 MPa while for galvanized iron material fail at number of cycle 8409 with fatigue stress 2.28 MPa. It shows that the joining of galvanized iron material more strong than the aluminium material joining.

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