面向汽車、航天等領域裝備輕量化需求,開展鋁、鎂合金先進鑄造成形技術及宏/微觀建模仿真的理論與應用研究。近年來主持和參與國家自然科學基金航天聯合基金重點、國家科技重大專項、國家重點研發計劃、國際科技合作、行業骨幹企業科研項目20餘項。
代表性研究項目:
1. 國家自然科學基金-航天先進制造聯合基金,重點項目,高性能鎂合金航天構件鑄造和熱處理過程多尺度全流程建模仿真與形性調控,2018-2021。
2. 國家科技重大專項“高檔數控機床與基礎制造裝備”課題,3500噸高效智能擠壓成形裝備及工藝的示範應用,2019-2020。
3. 國家科技重大專項“高檔數控機床與基礎制造裝備”課題,航天複雜薄壁輕合金構件精密成形裝備示範線,2017-2019。
4. 國家重點研發計劃“材料基因工程關鍵技術與支撐平台”重點專項,輕質高強鎂合金集成計算與制備,2016-2020。
5. 國家自然科學基金,面上項目,耦合熱力學和動力學計算的擠壓鑄造鎂合金共晶和析出相的建模與仿真研究,2012-2015。
6. 國家自然科學基金,面上項目,瞬态壓力下合金凝固過程的宏觀-微觀-納米多尺度建模與計算研究,2009-2011。
7. 國家自然科學基金,面上項目,輕合金液态擠壓成形過程複雜凝固和力學問題的耦合建模與仿真研究,2007-2009。
代表性研究論文:
1. The microstructure, fracture mechanism and their correlation with the mechanical properties of as-cast Mg-Nd-Zn-Zr alloy under the effect of cooling rate, Materials Science and Engineering A, 2021, Vol.801, 140382.
2. Phase-field simulation on the influence of cooling rate on the solidification microstructure of Mg-Gd-Y ternary magnesium alloy, Rare Metal Materials and Engineering, 2020, Vol. 49, No.11, 3709-3717.
3. Study on the relationship between interfacial heat transfer coefficient and interface pressure in squeeze casting by using microscopic contact model, International Journal of Thermal Sciences, 2020, Vol.152, 106300.
4. Experimental study and cellular automaton simulation on solidification microstructure of Mg-Gd-Y-Zr alloy, Rare Metals, 2019. doi.org/10.1007/s12598-019-01355-7.
5. Characterization on the three-dimensional morphology and microstructure of eutectics in as-cast Mg-Gd-Y-Zr alloys by using X-ray tomography technique, Materials Characterization, 2019, Vol.158, 109933.
6. On the interfacial heat transfer and pressure transmission in squeeze - a case study of the sensitivity to materials, International Journal of Heat and Mass Transfer, 2019, Vol.133, 52-61.
7. In-situ observation and phase–field simulation on the influence of pressure rate on dendritic growth kinetics in the solidification of succinonitrile, Journal of Materials Science, 2019, Vol.54, 3111–3124.
8. Study on the response of dendritic growth to periodic increase-decrease pressure in solidification via in situ observation using succinonitrile, Journal of Crystal Growth, 2018, Vol. 498, 85-92.
9. Phase-field modeling on effect of pressure on growth kinetics of Mg-Al-Sn alloy, Materials Science and Technology, 2018, Vol.34, No.11, 1362-1369.
10. Experimental study on the effect of cooling rate on the secondary phase in as-cast Mg-Gd-Y-Zr alloy, Advanced Engineering Materials, 2017, Vol.20, No.3, 1700717.
11. Experimental study on the heat transfer behavior and contact pressure at the casting-mold interface in squeeze casting of aluminum alloy, International Journal of Heat and Mass Transfer, 2017, Vol.112, 1032-1043.
12. A phase field model coupled with pressure-effect-embedded thermodynamic modeling for describing microstructure and microsegregation in pressurized solidification of a ternary magnesium alloy, Computational Materials Science, 2017, Vol.136, 264-270.
13. Study on dendritic growth in pressurized solidification of Mg-Al alloy using phase field simulation, Journal of Materials Science and Technology, 2016, Vol.32, 68-75.
14. Microstructure characteristics and effect of aging process on the mechanical properties of squeeze-cast AZ91 alloy, Journal of Alloys and Compounds, 2015, Vol.641, 56-63.
15. Large-scale three-dimensional phase-field simulation of multi-variant β-Mg17Al12 in Mg–Al-based alloys, Computational Materials Science, 2015, Vol.101, 248-254.
16. Three-dimensional phase-field simulation and experimental validation of β-Mg17Al12 phase precipitation in Mg-Al-based alloys, Metallurgical and Materials Transactions A, 2015, Vol.46A, 948-962.
17. Study on pressurized solidification behavior and microstructure characteristics of squeeze casting magnesium alloy AZ91D, Metallurgical and Materials Transactions B, 2015, Vol.46B, 328-336.
18. A phase field model for simulating the precipitation multi-variant β-Mg17Al12 in Mg-Al based alloys, Scripta Materialia, 2013, Vol.68, No.9, 691-694.
19. A quantitative model for describing crystal nucleation in pressurized solidification during squeeze casting, Scripta Materialia, 2012, Vol.66, No.5, 215-218.
20. Study on the effect of pressure on the equilibrium and stability of the solid-liquid interface in solidification of binary alloys, Science China Technological Sciences, 2011, Vol.54, No.2, 479-483.