For computer simulation of a quenching process, the fundamental prerequisite is to have the
relevant heat transfer coefficient (HTC) calculated as a function of the workpiece's surface
temperature and time respectively. In order to calculate the HTC experimental measurement
of the temperature–time history (cooling curve) near the workpiece surface is necessary. In
this investigation, cylindrical probes with diameters of 20, 50 and 80 mm are used. The
cooling curve was always measured 1 mm below the surface of the probe. Special care has …

Sažetak For computer simulation of a quenching process, the fundamental prerequisite is to
have the relevant heat transfer coefficient (HTC) calculated as function of work-piece's
surface temperature and time respectively. In order to calculate the HTC experimental
measurement of the temperature-time history (cooling curve) near the workpiece surface is
necessary. In this investigation cylindrical probes of 20 mm, 50 mm and 80 mm diameter are
used. The cooling curve was measured always at 1 mm below the surface of the probe …