was quenched with production site screws, and the material was 45 steel. Use No. 8 iron wire to pene... (more…)
Use a LZ3-204 function recorder to measure the cooling rate of the medium. The measured cooling rate... (more…)
Use Φ20mm silver balls to measure generally still water and constant magnetic field (magnetic field... (more…)
The section cycle of the part changes abruptly, and it is easy to concentrate stress. The original d... (more…)
The use of low concentration sodium carbonate aqueous solution is the same as that of sodium chlorid... (more…)
The concentration of commonly used NaOH aqueous solution is 5% ~ 15% (mass fraction), which is suita... (more…)
After the concentration of NaOH in the solution exceeds 15%, with the increase of the concentration,... (more…)
industrial electric furnace quenching furnace technology operation eleven taboosthe quenching furnac... (more…)
In recent years, China is energy-saving electric furnace industry has carried out many discussions o... (more…)
Cooling performance of surface salt and alkali aqueous solution (JB/T 6955-1993)quenching medium Con... (more…)