Chapter 5: Tempering
This chapter first examines the tempering behavior of plain carbon steels and then that of alloy steels. Next, some correlations are examined which allow estimations of the tempered hardness from the chemical compositions, tempering temperature and tempering time. The chapter then describes the effect of tempering on the mechanical properties of plain carbon steels and the microstructure of plain carbon steels. It shows examples of the structure of plain carbon steels. Additionally, the chapter explains the stages and kinetics of tempering in alloy steels and plain carbon steels. It also describes some methods of estimating the hardness. Finally, the chapter discusses the important problem of temper embrittlement.
Tempering, Principles of the Heat Treatment of Plain Carbon and Low Alloy Steels, By Charlie R. Brooks, ASM International, 1996, p 127–204, https://doi.org/10.31399/asm.tb.phtpclas.t64560127
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