| 中碳Cr-Ni-Mo-V钢热变形奥氏体静态再结晶晶粒特征研究 |
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| 引用本文： | 马柏生 魏元春. 中碳Cr-Ni-Mo-V钢热变形奥氏体静态再结晶晶粒特征研究[J]. 兵器材料科学与工程, 1998, 21(4): 44-47 |
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| 作者姓名： | 马柏生 魏元春 |
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| 作者单位： | 南京理工大学 |
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| 摘 要： | 采用Ｇｌｅｅｂｌｅ－１５００热／力学模拟实验机研究了中碳Ｃｒ－Ｎｉ－Ｍｏ－Ｖ钢热变形奥氏体静态再结晶晶粒特征，获得了最大晶粒平均直径和平均晶粒直径、混晶因子Ｚ（Ｚ＝Ｄｍａｘ／Ｄ）等与等温停留时间的关系曲线，以及等温停留时间对晶粒特征的影响。对于制订该类钢制产品热变形规范具有重要指导意义。
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| 关 键 词： | 中碳Cr－Ni－Mo－V钢 静态再结晶 晶粒特征 |
STUDY ON GRAIN CHARACTERISTIC OF STATIC RECRYSTALLIZATIN FOR HOT DEFORMED AUSTENITES OF MEDIUM CARBON Cr-Ni-Mo-V STEEL |
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| Ma Baisheng Dept of Material Science and Engineering,NUST,Nanjing ,Wei Yuanchun,Li Yourong,Zhai Hongsheng. STUDY ON GRAIN CHARACTERISTIC OF STATIC RECRYSTALLIZATIN FOR HOT DEFORMED AUSTENITES OF MEDIUM CARBON Cr-Ni-Mo-V STEEL[J]. Ordnance Material Science and Engineering, 1998, 21(4): 44-47 |
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| Authors: | Ma Baisheng Dept of Material Science Engineering NUST Nanjing Wei Yuanchun Li Yourong Zhai Hongsheng |
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| Affiliation: | Ma Baisheng Dept of Material Science and Engineering,NUST,Nanjing 210094,Wei Yuanchun,Li Yourong,Zhai Hongsheng |
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| Abstract: | The grain characteristic of static recrystallization for the hot deformed austenites is studied in this work by using the Gleeble-1500 heat/mechanics moulding experimental set-up. We obtained the relationship between the isothermal retention time and the average diameters of the maximum and averaged grains, and the factor of duplex grain, Z(Z=D max /). In addition, the influence of the isothermal retention time on the grain characteristic is displayed. The results provide an important guidance for drawing up the heat deformation standard of steel products. |
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| Keywords: | medium carbon Cr-Ni-Mo-V steel static recrystallization grain characteristic |
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