Competency includes sufficient knowledge of: cleaning and preparation processes for a range of test surfaces procedure, statutory and OH&S requirements in relation to the preparation process established assessment procedures and techniques testing techniques and procedures for a range of situations tools, equipment, techniques hazards and safety requirements associated with testing maintenance and storage procedures for test equipment common faults and damage range of defects meaning and application of national and international codes and standards methods/procedures for reporting test results implications of test results for the particular material/application any applicable industry standards, national/australian standards, nohsc guides, state/territory regulatory codes of practice/standards use and application of personal protective equipment safe work practices and procedures relevant hazards and control measures related to the competency Types of discontinuities and their consequences/effect on the material including: Plastic Deformation elastic and plastic strain, dislocations, pile-up and interaction. work hardening. changes in strength, ductility, yield point, hardness, conductivity, corrosion resistance. Annealing dislocation movement and realignment during heating recovery. nucleation of strain free areas. recrystallisation. grain growth. accompanying changes in mechanical and physical properties listed above. Hot&Cold Working changes in deformation mechanism with rising heat input the effects of strain rate and temperature on work hardening. recrystallisation and dynamic recovery. resulting microstructure and properties. Ductile and Brittle Fracture crack theory, mechanism of fracture factors affecting fracture modes, Brittle fracture, Ductile fracture Fatigue mechanism of fatigue crack nucleation mechanism of fatigue crack growth engineering considerations of fatigue, metallurgical factors affecting fatigue Creep creep mechanisms metallurgical factors affecting creep |