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| a heat treatment used to produce a soft, coarse pearlite in steel by austenitizing, then furnace cooling. |
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| heating a steel or cast iron to a temperature where homogeneous austenite can form. austenitizing is the first step in most of the heat treatments for steel and cast iron. |
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| the ease with which a steel can be quenched to form martensite. steels with high hardenability form martensite even on slow cooling |
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Definition
| graphs showing the effect of the cooling rate on the hardness of the as quenched steel |
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| the addition of an agent to the molten cast iron that provides nucleation sites at which graphite precipitates during solidification |
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| the distance from the quenched end of a Jominy bar. the Jominy distance is related to the cooling rate |
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| the test used to evaluate hardenability. an austenitized steel bar is quenched at one end only, thus producing a range of cooling rates along the bar |
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Definition
| the microconstituent of ferrite and cementite formed when martensite is tempered |
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