Isothermal Precipitation Behavior of Vanadium Carbonitride in V‐, N‐Added Low‐Carbon Steel,Steel Research International

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Isothermal Precipitation Behavior of Vanadium Carbonitride in V‐, N‐Added Low‐Carbon Steel
Steel Research International ( IF 1.9 ) Pub Date : 2020-06-02 , DOI: 10.1002/srin.202000086
Yong Yang _{1,

2} , Xiao Feng Zhang ₂ , Yan Mei Li ₃ , Zhen Yi Huang ₂

Affiliation

Herein, the isothermal precipitation behaviors of V(C,N) in ferrite are studied. At 700 °C, the dominant precipitation behavior of V(C,N) is interphase precipitation (IP), whereas at 660 and 620 °C, random precipitation (RP) is dominant. Both IP and RP show the Nishiyama–Wassermann orientation relationship (OR) with ferrite, unlike the common OR between precipitation and ferrite. The size of most precipitated particles varies in the ranges of 5–8 nm at 660 °C and 3–5 nm at 620 °C. The average values of hardness of ferrite grain formed at 700, 660, and 620 °C are 195.1, 237.6, and 278.6 HV, respectively.

中文翻译：

V，N添加的低碳钢中碳氮化钒的等温沉淀行为

在此，研究了铁素体中V（C，N）的等温析出行为。在700°C时，V（C，N）的主要沉淀行为是相间沉淀（IP），而在660和620°C时，随机沉淀（RP）是主要的。IP和RP都显示出与铁氧体的Nishiyama–Wassermann取向关系（OR），这与沉淀和铁氧体之间的常见OR不同。大多数沉淀颗粒的尺寸在660°C的5–8 nm和620°C的3–5 nm范围内变化。在700、660和620°C下形成的铁素体晶粒的平均硬度分别为195.1、237.6和278.6 HV。

更新日期：2020-06-02

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