The carburization process is a surface hardening where carbon added to the without changing core properties of material. This carried out at austenite temperature so that can diffuse into phase. only be done on low steels with content below 0.25%. research was conducted ST37 steel, which steel 0.18% content. type hardened carburizing 850 C long lasting time 1 hour, then it under moderate coolin...

Abstract Case hardening represents the most important heat treatment process to increase load carrying capacity of gear components. Beside predominantly martensitic surface layers with low proportion retained austenite, there were investigated material structures differing properties in preceding research work. In a previous publication, results three variants made 20MnCr5, which is typically u...

In situ X‐ray diffraction experiments during low‐pressure carburizing processes are performed at the German Electron Synchrotron Facility, Beamline P07, in Hamburg, Germany, with a specially developed process chamber. Microstructural evolution is precisely analyzed based on data, and several parameters varied. The investigations focus boost diffusion steps which carbon donor gas interacts hot s...

The ASTM A-36 steel is the main alloy, used in metal-mechanical industry. In present study, effect of boron-carbon coating on hardness and corrosion resistance was reported. Boronizing thermochemical treatment carried out at 950 °C for 4 h followed by carburizing process 930 6 h. study conducted using polarization technique (Tafel) electrochemical impedance spectroscopy (EIS), which employed a ...