What do you know about the surface hardening?
Do you know the surface hardening?Simply speaking, surface hardening is a specific application of induction heat treating process.
First, the surface hardening applications.
Surface hardening means that for the workpiece which need to bear the twisting and bending alternating load .then the surface layer withstand greater stress than the central portion or wear resistance is required proposes to strengthen the surface.There above workpiece adapted the carbon content We = 0.40 ~ 0.50% steel
Second, the process for surface hardening.
Combine the rapid heating and immediate quenching.
By rapidly heating to make steel surface achieve the quenching temperature range that is rapidly cooled,no need to heat to the center.Only the surface layer of hardened martensite, the center is still not quenched original ductility and toughness organization.
Third, the main method of surface hardening:
Induction heating surface hardening (high-frequency, intermediate frequency, frequency), surface hardening flame heating, electrical contact heating surface hardening, the electrolyte heating surface hardening, surface hardening laser heating, electron beam heating surface hardening.
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Post time: 06-21-2016