Mechanical properties of heat treated and plasma nitrided AISI 4140 steel
Abstract
In this work, a heat treated and plasma nitrided AISI 4140 steel was investigated. The study involves a microstructural and mechanical properties with the aim of verifying certain improving of functional surface characteristics. The steel was subjected to heat treatment of normalised, quenched and tempering with different exposure times and temperatures. Afterwards, a plasma nitriding was carried out by using different exposition times and temperatures. Optics microscopy and X ray diffraction were used to evaluate the microstructural features. On the other hand, Vickers microhardness was employed for mechanical evaluation.
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References
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