Industrial electric furnaces are the main energy-consuming equipment in industrial production, consu... (more…)
static water characteristic temperature is about 380 ℃, from 800 to 380 ℃ for the steam film stage,... (more…)
Cold working refers to the cutting of metal, that is, cutting tools are used to remove excess metal... (more…)
use Φ20mm silver ball as probe, after heating 800T, put it into still water or circulating water fo... (more…)
control the amount of subsequent burden added each time, and adopt the feeding method of adding a sm... (more…)
Combined with the graph analysis of the characteristic points of the cooling curve, it is concluded... (more…)
For some high alloy steels, such as D2.D3, the volume or length decreases as the temperature of the... (more…)
The test uses 2 liters of 60°C quenching oil, and the initial temperature of the probe is 850°C.The... (more…)
This method is based on the assumption that the product of the maximum cooling rate and its temperat... (more…)
IVF (Swedish Institute of Production Engineering Research) hardening capacity method or hardening ca... (more…)