Austempering is heat treatment that is applied to ferrous metals, most notably steel and ductile iron. In steel it produces a bainite microstructure whereas in cast irons it produces a structure of acicular ferrite and high-carbon-stabilized austenite known as ausferrite.
Austempering is heat treatment that is applied to ferrous metals, most notably steel and ductile iron. In steel it produces a bainite microstructure whereas in cast irons it produces a structure of acicular ferrite and high-carbon-stabilized austenite known as ausferrite.
Source: Wikipedia "Austempering" · CC BY-SA 4.0
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