The chemical composition of the failed camshaft material
was determined by using a standard spectrum analyzer. The
fracture characteristic of the camshaft was studied by visual
inspection and optical microscope and SEM observation.
The microstructure was observed under optical microscope.
Hardness test was performed by using Vickers Hardness
testing machine and HB 3000 Brinell hardness machine,
respectively. Hardness (HB) test of the material for the failed
camshaft was conducted with a steel ball of 10 mm (load of
3000 kg).