奥氏体向铁素体转变的Ar3温度计算公式

[1]

Ar3?903?328C?102Mn?116Nb?0.909v;[2] Ar3?902?527C?62Mn?60Si;

[3] First Proposal:

Ar3?833.6?190.6C?67.4Mn?1522S?2296Nti?1532Nb?7.91d?12?0.117CR

Nti?Nt?Ti; 3.5Second Proposal:

Ar3?868?181C?75.8Mn?1086S?3799Nti?1767Nb?0.0933CR

Nti?Nt?[4] [5] [6] [7] [8] [9]

Ti; 3.5Ar3?910?310C?80Mn?20Cu?55Ni?80Mo?0.35(h?8); Ar3?868?396C?68.1Mn?24.6Si?36.1Ni?24.8Cr?20.7Cu; Ar3?910?273C?74Mn?56Ni?16Cr?9Mo?5Cu; Ar3?910?230C?21Mn?15Ni?32Mo?45Si?13W?104VAr3?879.4?516.1C?65.7Mn?38.0Si?274.7p; Ar3?901?325C?92Mn?33Si?287p?40Al?20Cr;

;

[10]

Non-Deformed Austenite:

?Dr????325CR0.1?5649Nb?78194Nb2?1019 Ar3?370exp??6.7???Deformed Austenite:

?Dr??????198CR0.1?6646Nb?2327Nb2?66?1?????830 Ar3?370exp??t??6.7??0.05???

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