austenite region

dynamic recovery behaviors of low carbon mn-b steel in medium temperature austenite region

低碳锰硼钢中温奥氏体区的动态回复行为

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the microstructural evolution and micro-hardness change in a low-carbon vanadium steel(( 0.058)% c-0.92% mn-0.51% v) during isothermal holding after austenite region deformation were investigated with thermo-mechanical test, and the precipitation of v ( c, n) was studied through tem.

通过热模拟试验，研究了0.058%C-0.92%Mn-0.51%V钢在变形后等温过程中的组织变化规律及显微硬度变化规律，并用透射电镜研究了V（C，N）的沉淀析出规律。

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it has been shown that the cooling rate in austenite region influences the grain size and kinetics of continuous cooling tranformation of recrystallized austenite.

结果表明，再结晶控轧后，奥氏体区的冷却速度（1000～820℃）对再结晶奥氏体的晶粒尺寸和随后的连续冷却转变动力学都有影响。

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with the increase of deformation, the increment of flowing stress at 850 ℃ is far lower than that at 950 ℃, the largest flowing stress in ferrite region at 850 ℃ is lower than the smallest flowing stress in single-phase pure austenite region at 950 ℃.

随着变形量的增加，流变应力在850℃时的增加幅度远小于950℃时的增加幅度，铁素体区的最大流变应力在850℃比单相奥氏体950℃的最小流变应力还要低。

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on the basis of experiments, the mathematical models for static recrystallization of test steels were built. ( 3) according to hot dilatometric value and micrographs observation, the deformation conditions in austenite region were investigated.

在实验基础上建立了实验钢静态再结晶软化率数学模型。（3）根据热膨胀曲线和金相观察结果，对实验钢奥氏体变形条件对连续冷却相变和显微组织的影响进行研究。

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super steel produced by whole line rolling in unrecrystallized austenite region

采用全线奥氏体未再结晶区轧制生产超级钢

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relationship between γ→ε transformation temperature m_(ε s) and composition of metastable austenite region in fe-mn-al-cr system

Fe-Mn-Al-Cr系亚稳奥氏体区γ→ε转变温度M（εs）与成分的关系

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the experimental results show that the single-phase ferrite matrix microstructure could be obtained by isothermal holding at 650 ℃, 700 ℃ and 750 ℃ after austenite region deformation while the pearlite could be eliminated.

结果表明，变形后在650、700、750℃等温100s时可获得单相铁素体组织，从而基本消除珠光体组织。

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numerical prediction of ferrite grain size with the influence of deformation in austenite non-recrystallization region

奥氏体未再结晶区变形对铁素体晶粒尺寸影响的数值计算

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