2009•Ordnance Material Science and EngineeringRequires access

Failure analysis of excavator drive shaft

Wenzhu Li

Abstract

Fracture surface,microstructure and chemical composition of a failed drive shaft of a 4 M3 excavating machine were analyzed by means of metallographic and fracture observation and chemical analysis.The results show that the rough surface of the shaft gears and the low ductility due to its abnormal microstructure are the main reasons for fracture.

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Available abstract

Key concepts: Microstructure, Materials science, Fracture (geology), Ductility (Earth science), Excavator, Metallurgy, Composite material, Structural engineering