Suiting the Heat Treatment to the Job: A Simple Discussion of the Problems of Heat Treatment ... |
Common terms and phrases
agitation alloy content austempering process bainite or martensite bainite structure bath BRINELL HARDNESS NUMBER brittle carbide carbon content circulation compression cracking cylinder decarburization desired energy absorbed example exhibit ferrite Figure 24 Figure 25-A form pearlite formation of bainite formation of pearlite hardness and strength heat abstraction heat treating heat treatment high hardness inside ISOTHERMAL TRANSFORMATION DIAGRAM linear scale logarithmic scale low alloy steel lower temperature martensite transformation microscopic structure called MIDWAY ness notch notch-bar test NOTCH-BAR TOUGHNESS obtained OIL QUENCHED perature plotted quenched and tempered reduction of area residual stress result room temperature ROUND WATER QUENCHED S-curve section CD severity of quench shown in Figure spheroidite strength and toughness structure of Figure surface TEMPERATURE 1 HOUR TEMPERED MARTENSITE tempering range tempering temperature tensile test tension thermal contraction TIME-SECONDS tion transformation expansions transformation product transformation temperature transformation to martensite transformation to pearlite ture whereas yield strength zone