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Quench Aging of Fe-C Alloys II
Steel name: Fe-C Alloys II
Diagram No.: 2817
Type of diagram: TTP
Chemical composition in weight %: 0.02% C, 0.003% Al, 0.0034% N
Steel group: Alloy steels
Note: Precipitation diagram. Carbide PPT after quenching to room temperature and aging (quench aging, tempering). CCP after aging. Treatment: Hold for 15 min at 950oC (1740oF) and furnace cooled to 680oC (1255oF), this treatment allowed the maximum amount of nitrogen to precipitate as AlN. Specimens were then held at 680oC (1255oF) for 1 h and water quenched. Aging was carried out in the range 150-300oC (300-585oF) for up to 36,840 min. See the diagrams No. 2816, No. 2819 and No. 2819.
Reference: Not shown in this demo version.
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