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李俊傑

西北工業大學教授

李俊傑,男,1982年生,工學博士,副教授。西北工業大學材料學院副教授,主要從事凝固理論、材料微觀組織數值模擬等方面研究工作。

人物經歷


教育經歷

2005/9 - 2010/4,西北工業大學,材料加工工程,博士,導師:楊根倉
2004/9 –2005/7,西北工業大學,材料加工工程,碩士,導師:楊根倉
2000/9 - 2004/7,西北工業大學,材料成形與控制,學士

工作經歷

2014/5 - 至今,西北工業大學,材料學院,副教授
2010/5 – 2014/4,西北工業大學,材料學院,講師

主要貢獻


先後主持國家自然基金青年項目、教育部博士點基金新教師項目、陝西省自然基金、西北工業大學基礎研究基金項目、凝固技術國家重點實驗室自主課題等多個項目。作為主要成員參與國家重點基礎研究計劃(973計劃)專題項目、國家自然基金面上項目等4項。獲陝西高等學校科學技術一等獎1項(排名第二)。在Acta Materialia、Scripta Materialia、Phys Rev E、物理學報等國內外重要學術期刊發表論文40餘篇,SCI收錄30餘篇,其中第一作者論文16篇(JCR一區5篇),論文被他引100餘次,2012年獲西北工業大學頂級論文專項資助。

研究方向


主要研方向有:(1)單晶葉片定向凝固製備過程中不同取向晶粒的競爭生長與淘汰;(2)兩相混合體系內顆粒相的非穩態粗化動力學;(3)材料三維微觀組織的分析表徵;(4)金屬增材製造過程中激光熔池內的微觀組織演化行為。

學術成果


一直從事凝固基礎理論及材料微觀組織演化相場法模擬的研究工作,取得的主要成果有:(1)建立了包含相場、取向場、濃度場及溫度場並耦合形核動力學的多晶凝固相場模型;(2)發展了多晶凝固動力學理論,明晰了阻擋效應對轉變動力學的影響規律及機制;(3)提出了溶質拖拽下的晶界非穩態運動規律;(4)建立了具有明確物理意義的胞/枝轉變模型;(5)揭示了定向凝固反常枝晶淘汰的內在機制;(6)闡明了初始顆粒尺寸分佈對非穩態階段粗化動力學的影響規律。

發表文章


發表的主要文章如下:
. Junjie Li, Chunwen Guo, Yuan Ma, Zhijun Wang, Jincheng Wang. (2015). Effect of initial particle size distribution on the dynamics of transient Ostwald ripening: A phase field study. Acta Materialia, 90:10-26.
. Junjie Li, Yacong Zhang, Jincheng Wang and Zhongming Zhang. (2014). Microstructure evolution of Mg-4.3Zn-0.7Y-0.6Zr alloy during solution heat treatment. Materials Transactions, 55:264-269.
. Honglei Yu, Junjie Li, Xin Lin, Lilin Wang, Weidong Huang. (2014). Anomalous overgrowth of converging dendrites during directional solidification. Journal ofCrystalGrowth, 402: 210-214.
. Sai Tang, Yan-Mei Yu, Jincheng Wang, Junjie Li, Zhijun Wang, Yaolin Guo, Yaohe Zhou. (2014). Phase-field-crystal simulation of nonequilibrium crystal growth. Physical Review E, 89: 012405.
. Zhijun Wang, Jincheng Wang, Lilin Wang, Junjie Li, Yaohe Zhou. (2014). Quasi-two-dimensional equilibrium solid/liquid interface of colloids at low osmotic pressure. Journal ofCrystalGrowth, 385: 106-110.
. Gao Ang, Hu Yansu, Wang Zhijun, Mu Dejun, Li Junjie, Wang Jincheng. (2014). GPU-accelerated phase field simulation of directional solidification. Science in China-Series E: Technological Sciences, 2014, 57(6):1191-1197.
. Zhijun Wang, Junjie Li, Yao Lin, Sai Tang, Jincheng Wang. (2013). Unique visualization of multiply oriented lattice structures using a continuous wavelet transform. Computer Physics Communications, 184:2489-2493.
. Junjie Li, Zhijun Wang, Yaqin Wang, Jincheng Wang. (2012). Phase-field study of competitive dendritic growth of converging grains during directional solidification. Acta Materialia, 60:1478-1493.
. Zhijun Wang, Junjie Li, Jincheng Wang, Yaohe Zhou. (2012). Phase field modeling the selection mechanism of primary dendritic spacing in directional solidification. Acta Materialia, 60: 1957-1964.
. Junjie Li, Zhijun Wang, Yujuan Yang, Jincheng Wang. (2012). Competitive grain growth in directional solidification investigated by phase field simulation. IOP Conf. Series: Materials Science and Engineering, 33:012098.
. Zhijun Wang, Junjie Li, Jincheng Wang, Gencang Yang, Yaohe Zhou. (2012). Predicting growth direction of tilted dendritic arrays during directional solidification. IOP Conf. Series: Materials Science and Engineering, 27: 012009
. Zhijun Wang, Junjie Li, Jincheng Wang.(2011). Predicting growth direction of tilted dendritic arrays during directional solidification. Journal ofCrystalGrowth, 328: 108–113.
. Zhijun Wang, Jincheng Wang, Junjie Li, Gencang Yang, Yaohe Zhou. (2011). Quantitative investigation of cellular growth in directional solidification by phase-field simulation. Physical Review E, 84: 041604.
. Zhijun Wang, Junjie Li, Jincheng Wang, Gencang Yang. (2011). What happens to the initial planar instability when the thermal gradient is increased during directional solidification, Chinese Physics B, 10: 108104.
. Junjie Li, Jincheng Wang, Gencang Yang. (2010). Phase field simulation of grain growth with grain boundary segregation. International Journal of Materials Research, 101(4):555-559.
. Li JJ, Wang JC, Wu LY, Yang GC. (2010).Phase field simulation of equiaxed dendritic growth during non-isothermal polycrystalline solidification. International Journal of Modern Physics B, 24: 2762-2767.
. Zhijun Wang, Jincheng Wang, Junjie Li, Gencang Yang. (2010). Phase field investigation on the initial planar instability with surface tension anisotropy during directional solidification of binary alloys, Chinese Physics B, 2010, 19(1): 017305
. Junjie Li, Jincheng Wang, Gencang Yang. (2009). Phase field modeling of grain boundary migration with solute drag. Acta Materialia, 57: 2108-2120.
. Junjie Li, Jincheng Wang, Gencang Yang. (2009). On the stagnation of grain growth in nanocrystalline materials. Scripta Materialia, 60: 945-948.
. Junjie Li, Jincheng Wang, Gencang Yang. (2009). Investigation into microsegregation during solidification of a binary alloy by phase-field simulations. Journal ofCrystalGrowth, 311: 1217-1222.
. Yujuan Yang, Jincheng Wang, Yuxiang Zhang, Yaochan Zhu, Junjie Li, Gencang Yang. (2009). Three-Dimensional Multi-Phase Field Simulation of the Lamellar Growth Stability in a Directionally Solidified Hypereutectic. Journal ofCrystalGrowth, 311: 2496-2500.
. Yujuan Yang, Jincheng Wang, Yuxiang Zhang, Yaochan Zhu, Junjie Li, Gencang Yang. (2009). Three-Dimensional Multi-Phase Field Modeling of the Effect of Lamellar Thickness on the Eutectic Growth. Metallurgical and Materials Transactions A, 40: 1670-1674.
. Wang Jincheng, Zhang Yuxiang, Yang Yujuan, Li Junjie, Yang Gencang. (2009). Phase field modeling for dendritic morphology transition and micro-segregation in multi-component alloys,Science inChinaSeries E: Technological Sciences, 52: 344-351.
. Li JJ, Wang JC, Yang GC. (2008). Phase Field Simulation of the Columnar Dendritic Growth and Microsegregation in a Binary Alloy. Chinese Physics B, 17: 3516-3522.
. WANG Jincheng, LI Junjie, YANG Yujuan, ZHANG Yuxiang, YANG Gencang. (2008). Phase Field Simulation of the Interface Morphology Evolution and its Stability during Directional Solidification of Binary Alloys. Science inChinaSeries E: Technological Sciences. 51: 362-370.
. JunJie Li, JingCheng. Wang, Quan Xu, GenCang Yang. (2007). Comparison of Johnson-Mehl-Avrami-Kologoromov (JMAK) Kinetics with a phase field simulation for polycrystalline solidification, Acta Materialia, 55: 825-832.
. Junjie Li, Jincheng Wang, Gencang Yang. (2007). Phase-field simulation of microstructure development involving nucleation and crystallographic orientations in alloy solidification,Journal ofCrystalGrowth, 309: 65–69.
. 郭春文, 李俊傑, 馬淵, 王錦程。定向凝固過程中枝晶側向分枝生長行為與強制調控規律。物理學報,2015, 64 (14): 148101.
. 羅海濱,李俊傑,馬淵,郭春文,王錦程。粗化過程中顆粒界面形狀演化的三維多相場法研究。物理學報,2014,63(2):026401.
. 王陶,李俊傑,王錦程。界面潤濕性及固相體積分數對顆粒粗化動力學影響的相場法研究。物理學報,2013,62(10):106402.
. 王雅琴,王錦程,李俊傑。定向傾斜枝晶生長規律及競爭行為的相場法研究。物理學報,2012, 61(11): 118103.
. 李俊傑,王錦程,楊根倉。含第二相顆粒的晶粒長大過程相場法。稀有金屬材料與工程, 2008, 37 (10): 1746-1750.
. 李俊傑,王錦程,許泉,楊根倉。外來夾雜物顆粒對枝晶生長形態影響的相場法研究。物理學報,2007,56(3):1514-1519.