Surface hardening of steel
Bever, Michael B. Formerly, Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts.
Floe, Carl F. Department of Metallurgy, Massachusetts Institute of Technology, Cambridge, Massachusetts.
- Hardening processes
- Modified carburizing processes
- Induction, flame, and laser hardening
- Surface-working processes
- Links to Primary Literature
- Additional Readings
The selective hardening of the surface layer of a steel product by one of several processes which involve changes in microstructure with or without changes in composition. Surface hardening imparts a combination of properties to the finished product not produced by bulk heat treatment alone. Among these properties are high wear resistance and good toughness or impact properties, increased resistance to failure by fatigue resulting from cyclic loading, and resistance to surface indentation by localized loads. The use of surface hardening frequently is also favored by lower costs and greater flexibility in manufacturing.
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