EVALUATION OF MECHANICAL AND METALLURGICAL PROPERTIES OF FRICTION WELDED INCONEL 600 AND AISI 304L AUSTENITIC STAINLESS STEEL DISSIMILAR JOINTS
Keywords:
Friction welding, Dissimilar joints, Inconel 600, 304L, Mechanical properties, Metallurgical propertiesAbstract
The effect of mechanical properties of Inconel 600 and 304L austenitic stainless steel was evaluated by RT tensile, hot tensile, Charpy impact and hardness tests and the metallurgical properties of optical and scanning electron microscopy were used to analyse the microstructure of the welded joint. The bonded Inconel 600 and 304L austenitic stainless steel samples were produced by keeping the friction pressure, friction time and the rotational speed constant. The ultimate tensile strength, Percentage elongation, yield stress and maximum tensile load of the parent metal and welded joints were determined by RT tensile test and hot tensile tests. The welded specimen is evaluated by hardness test measurement. The highest ultimate tensile strength of 500 MPa was obtained in the joint. The highest ultimate hot tensile strength of 487MPa was obtained at the temperature of 300°C. A maximum hardness of 216 HV has been obtained near the weld interface in Inconel 600 and 199HV in 304L austenitic stainless steel.
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