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The transformation temperatures and durations of solid state transformation in T8 steel before and after 4 GPa pressure treatment are measured using differential scanning calorimetry, and the transformation activation energy and Avrami exponent are also calculate. Then the effects of 4 GPa pressure treatment on solid state transformation kinetics in T8 Steel are investigated based on the kinetic parameters and the observation of microstructure. The results show that the solid state transformation in T8 steel shifts toward the low temperature region after 4 GPa pressure treatment. The high pressure treatment can reduce the phase transformation time and Avrami exponent and enhance the phase transformation activation energy, which is favorable for refining the grains but has little effect on the phase transformation mechanism.
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Keywords:
- high pressure treatment /
- T8 Steel /
- solid state transformation
[1] Kang X J, Li P N, Lu J 2011 Mechanical Engineer 10 6 (in Chinese) [康小健, 李鹏南, 陆洁 2011 机械工程师 10 6]
[2] Tan S J 2009 Metal Working 15 35 (in Chinese) [谭诗金 2009 金属加工 15 35]
[3] Tan S Y, Jiang Q 2008 Materials for Mechanical Engineering 32 72 (in Chinese) [谈淑咏, 蒋穹 2008 机械工程材料 32 72]
[4] Zhang Y M, Jie X H, Li Z H, Xu Z 2011 Advanced Materials Research 189-193 1071
[5] Zhang Y 2010 Mechanical Engineer 9 54 (in Chinese) [张宇 2010 机械工程师 9 54]
[6] Wang H Y, Cui H B, Li C Y, Li X S, Wang K F 2009 Acta Phys. Sin. 58 5598 (in Chinese) [王海燕, 崔红保, 历长云, 李旭升, 王狂飞 2009 58 5598]
[7] Wang H Y, Liu J H, Peng G R, Wang W K 2010 Chinese Physics B 19 096203
[8] Chen Y, Liu L, Wang Y H, Liu J H 2011 Trans. Nonferrous Met. Soc. China 21 2205
[9] Li L X, Li M, Zhang L W 2011 Advanced Materials Research 320 14
[10] Jie J C, Zou C M, Wang H W, Wei Z J 2010 Materials Letters 64 869
[11] Jie J C, Zou C M, Wang H W, Wei Z J 2010 Journal of Alloys and Compounds 506 L12
[12] Wang H Y, Chen Y, Liu Y W, Li F, Liu J H, Peng G R, Wang W K 2009 Chin. Phys. Lett. 26 106201
[13] Ozawa T 1971 Polymer 12 150
[14] Liu Y X 1981 The Principle of Metal Heat Treatment (Beijing: Mechanical Industry Press) p81 (in Chinese) [刘云旭 1981 金属热处理原理 (北京: 机械工业出版社) 第18页]
[15] Kappes B B, Shield J E 2003 Journal of Non-Crystalline Solids 317 106
[16] Sinha I, Mandal R K. 2009 Journal of Non-Crystalline Solids 335 361
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[1] Kang X J, Li P N, Lu J 2011 Mechanical Engineer 10 6 (in Chinese) [康小健, 李鹏南, 陆洁 2011 机械工程师 10 6]
[2] Tan S J 2009 Metal Working 15 35 (in Chinese) [谭诗金 2009 金属加工 15 35]
[3] Tan S Y, Jiang Q 2008 Materials for Mechanical Engineering 32 72 (in Chinese) [谈淑咏, 蒋穹 2008 机械工程材料 32 72]
[4] Zhang Y M, Jie X H, Li Z H, Xu Z 2011 Advanced Materials Research 189-193 1071
[5] Zhang Y 2010 Mechanical Engineer 9 54 (in Chinese) [张宇 2010 机械工程师 9 54]
[6] Wang H Y, Cui H B, Li C Y, Li X S, Wang K F 2009 Acta Phys. Sin. 58 5598 (in Chinese) [王海燕, 崔红保, 历长云, 李旭升, 王狂飞 2009 58 5598]
[7] Wang H Y, Liu J H, Peng G R, Wang W K 2010 Chinese Physics B 19 096203
[8] Chen Y, Liu L, Wang Y H, Liu J H 2011 Trans. Nonferrous Met. Soc. China 21 2205
[9] Li L X, Li M, Zhang L W 2011 Advanced Materials Research 320 14
[10] Jie J C, Zou C M, Wang H W, Wei Z J 2010 Materials Letters 64 869
[11] Jie J C, Zou C M, Wang H W, Wei Z J 2010 Journal of Alloys and Compounds 506 L12
[12] Wang H Y, Chen Y, Liu Y W, Li F, Liu J H, Peng G R, Wang W K 2009 Chin. Phys. Lett. 26 106201
[13] Ozawa T 1971 Polymer 12 150
[14] Liu Y X 1981 The Principle of Metal Heat Treatment (Beijing: Mechanical Industry Press) p81 (in Chinese) [刘云旭 1981 金属热处理原理 (北京: 机械工业出版社) 第18页]
[15] Kappes B B, Shield J E 2003 Journal of Non-Crystalline Solids 317 106
[16] Sinha I, Mandal R K. 2009 Journal of Non-Crystalline Solids 335 361
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