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首頁> 外文會議>International Conference on Processing, Micrcostructure and Properties of Microalloyed and other Modern Hing Strength Low Alloy Steels >EFFECT OF COMPOSITION ON THE RECRYSTALLIZATION BEHAVIOR OF IF STEELS DURING SIMULATED HOT STRIP ROLLING
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EFFECT OF COMPOSITION ON THE RECRYSTALLIZATION BEHAVIOR OF IF STEELS DURING SIMULATED HOT STRIP ROLLING

機譯：組合物對模擬熱帶軋制期間鋼的再結(jié)晶行為的影響

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Flow curves were generated in multi-pass torsion tests for a titanium stabilized and a niobium stabilized IF steel. Two types of test schedule were used, one based on plate rolling and the other approximating strip rolling. The purpose of the former was to define the three critical temperatures of steel rolling. The strip schedules were varied in order to investigate the influence of increasing the total finishing strain (from 2.1 to 3.2) and lowering the first finishing pass temperature (from 990 to 930 deg C) on microstructural evolution in these steels. All the tests were carried out at a strain rate of 2s~(-1). Under hot strip rolling conditions, static recrystallization is responsible for the high degree of interpass softening. During the final passes, dynamic recrystallization occurs to a degree that depends on the composition of the steel, the total finishing strain and the temperature. Subjected to the same strip rolling schedule, the niobium stabilized steel has a finer ferrite grain size than the IF steel stabilized with titanium.
機譯：在穩(wěn)定的鈦的多通扭轉(zhuǎn)試驗中產(chǎn)生流動曲線，如果鋼穩(wěn)定的鈮穩(wěn)定。使用兩種類型的試驗時間表，基于板軋制和其他近似帶軋制。前者的目的是定義鋼軋的三個臨界溫度。為了研究增加總精加工菌株（2.1至3.2）并降低這些鋼中的微觀結(jié)構(gòu)演化的第一個精加工通量（從990至930℃）的影響，旨在改變剝離時間表。所有測試均以2S?（-1）的應變速率進行。在熱帶軋制條件下，靜態(tài)再結(jié)晶負責高度的接口軟化。在最終通過期間，動態(tài)再結(jié)晶在取決于鋼的組成，總整理菌株和溫度的程度。經(jīng)受相同的軋制時間表，鈮穩(wěn)定的鋼具有比IF鋼穩(wěn)定用鈦的鋼的更細的鐵氧體晶粒尺寸。

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