Heat treatment is divided into two processes: heating and cooling. The ideal heat treatment quality... (more…)
test method for estimating quenching intensity of quenching oil under dynamic conditions by cooling... (more…)
The test uses 2 liters of 60°C quenching oil, and the initial temperature of the probe is 850°C.The... (more…)
Castor proposed the Castor index for grading quenching oils and other cooling media and quenching in... (more…)
intermediate frequency electric furnace sometimes adopts secondary quenching process during heat tr... (more…)
This method is based on the assumption that the product of the maximum cooling rate and its temperat... (more…)
Using quenching medium cooling curve to evaluate the cooling performance of the medium has the advan... (more…)
The quenching process is a heat treatment process in which the steel is heated to a 1 temperature ab... (more…)
H values of several commonly used quenching media Flare media water soapy water Vacuum... (more…)
The calculation method of h value is: for the stepped cylindrical sample (variable diameter sample),... (more…)