l      孙军院士科研团队成员，以金属材料强度国家重点实验室为依托，长期致力于钛合金、锆合金等密排六方金属结构材料的形变、损伤、断裂和强韧化研究。探索合金在严酷环境下的微观组织演化、力学性能响应及形变损伤断裂行为。在材料微观组织设计、复杂相变表征、变形机理分析等方面具有丰富的经验积累。先后主持国家自然科学基金2项、973项目专题1项、陕西省自然科学基金2项，企业横向课题多项。在Acta Materialia、Journal of Materials Science & Technology、Materials and Design、Journal of Alloys and Compounds、Metallurgical and Materials Transactions A、Materials Science and Engineering A等国内外学术期刊上发表论文30余篇，申报国家发明专利近10项。

主持科研项目

l      国家自然科学基金面上项目“高强β钛合金的α变体形变各向异性及强度预测模型”，项目编号：51871176，基金委

l      国家自然科学基金青年项目“微尺度亚稳β钛合金单晶相变诱发塑性行为及其尺度效应”，项目编号：51301127，基金委

l      国家重点基础研究发展计划(973计划)项目专题“典型β钛合金的宏观及微纳力学性能测试表征研究”，项目编号：2014CB644002-1，科技部

l      陕西省自然科学基金面上项目“微尺度高强β钛合金中超细α颗粒变体的形变及强化效应研究”，项目编号：2018JM5098，陕西省科技厅

l      陕西省自然科学基金青年项目“亚稳β钛合金重复冲击变形纳米化机理及强度预测模型”，项目编号：2014JQ6205，陕西省科技厅

l      中央高校基本科研业务费--学科综合交叉项目“亚稳β钛合金重复冲击下晶粒纳米化机理及本构关系”，项目编号：xjj2014126，教育部

l      中国博士后科学基金“重复冲击加载下α钛合金中纳米晶形成机制”，中国博管办

l 企业横向“热采套管材料微观组织形貌及演化机理的透射电镜观察”

l      企业横向“合金元素调控下火驱井套管材料蠕变及服役变形特性的微观组织表征研究”

l      企业横向“X合金空烧组织中的黑斑现象及其形成机理”

l      企业横向“X合金空烧组织中黑斑现象的Gleeble热压缩模拟及消除措施”

l      企业横向“X合金棒材冲击韧性与微观组织的相关性及优化研究”

l 企业横向“纯钛扁锭热轧件表层裂纹及扁锭表面富氧层表征研究”

l 企业横向“纯钛带材冷轧变形机理研究”

l 企业横向“钛合金形状记忆合金管接头材料研制”

l 企业横向“基于微合金化的高强钛合金丝材强塑性研究”

l 企业横向“影响混合芳烃四合一 加热炉炉管减薄、空洞、开裂的因素及规律研究”

l 企业横向“换流变分接开关材料性能与力学特性研究”

代表论文

l      Wei Chen, Shuo Cao, Wenjuan Kou, Jinyu Zhang, Yue Wang, You Zha, Yan Pan, Qingmiao Hu, Qiaoyan Sun, Jun Sun, Origin of the ductile-to-brittle transition of metastable β-titanium alloys: Self-hardening of u-precipitates alloys: Self-hardening of ω-precipitates, Acta Materialia, 2019, 170: 187-204.

l      Wei Chen, Jinyu Zhang,Cao Shuo, Yan Pan, Mingda Huang, Qingmiao Hu, Qiaoyan Sun, Lin Xiao, Jun Sun, Strong deformation anisotropies of omega-precipitates and strengthening mechanisms in Ti-10V-2Fe-3Al alloy micropillars: Precipitates shearing vs precipitates disordering, Acta Materialia, 2016, 117: 68-80.

l Keer. Li, W. Chen*, G.X. Yu, J.Y. Zhang*, S.W. Xin, J.X. Liu, X.X. Wang, J. Sun, Deformation kinking and high localized nanocrystallization in metastable β-Ti alloys using cold forging, Journal of Materials Science  & Technology 120 (2022) 53-64.

l W. Chen, K. Li, G. Yu, J. Ren, Y. Zha, J. Sun, Deformation twinning-induced single-variant ω-plates in metastable β-Ti alloys containing athermal ω-precipitates, Journal of Materials Science 56(12) (2021) 7710-7726.

l W. Chen, S. Cao, J. Zhang, Y. Zha, Q. Hu, J. Sun, New insights into ω-embrittlement in high misfit metastable β-titanium alloys: Mechanically-driven ω-mediated amorphization, Materials & Design 205 (2021) 109724.

l W. Chen, G. Yu, K. Li, Y. Wang, J. Zhang, J. Sun, Plastic instability in Ti–6Cr–5Mo–5V–4Al metastable β-Ti alloy containing the β-spinodal decomposition structures, Materials Science and Engineering: A 811 (2021) 141052.

l X. Bao, W. Chen, J. Zhang, Y. Yue, J. Sun, Achieving high strength-ductility synergy in a hierarchical structured metastable β-titanium alloy using through-transus forging, Journal of Materials Research and Technology 11 (2021) 1622-1636.

l K. Li, W. Chen*, G. Yu, J. Zhang, J. Sun, A novel deformation mechanism in Ti-V binary metastable β-Ti alloys: Deformation kinking promoted by dislocation accumulation, Journal of Alloys and Compounds 875 (2021) 159982.

l S. Cao, W. Chen*, R. Yang, Q.M. Hu, Origin of the ω-Strengthening and Embrittlement in β-Titanium Alloys--Insight from First Principles, Physical Mesomechanics, 24 (2021) 16-25.

l 李少强，陈威*，查友，程蒙，雷锦文，崔林林，张金钰，孙军，TC18合金大型锻棒冲击韧性的横纵向差异研究，稀有金属材料与工程，50 (2021) 911-917.

l      Wei Chen, Shuo Cao, Jinyu Zhang, You Zha, Qingmiao Hu, Jun Sun, New insights into formation mechanism of interfacial twin boundary ω-phase in metastable β-Ti alloys, Materials Characterization, 2020, 164: 110363.

l      Wei Chen, Zaiwang Huang, Shuo Cao, Yan Pan,Mingda Huang, Qingmiao Hu, Ding Xu, Qiaoyan Sun, Lin Xiao, Jun Sun, Strain rate-induced plasticity in bcc β-Ti alloy single crystal micropillars containing brittle ω-precipitates, Materials and Design, 2018,137: 404–413.

l      Wei Chen, Qiaoyan Sun, Lin Xiao*, Jun Sun, Deformation-induced grain refinement and amorphization in Ti-10V-2Fe-3Al alloy, Metallurgical and Materials Transactions A, 2012, 43, 316-326.

l      Wei Chen, Qiaoyan Sun, Lin Xiao, Jun Sun, Thermal stability of bulk nanocrystalline Ti-10V-2Fe-3Al alloy, Materials Science and Engineering A, 2012,536, 223-230.

l     Wei Chen, Qiaoyan Sun, Lin Xiao, Jun Sun, Effect of the initial grain size on grain refinement in Ti-2Al-2.5Zr alloy subjected to muti-impact process, Materials Science and Engineering A, 2012,554, 86-94.

l     Wei Chen, Qiaoyan Sun, Lin Xiao, Jun Sun, Deformation-induced microstructure refinement in primary alpha phase-containing Ti-10V-2Fe-3Al alloy, Materials Science and Engineering A, 2010,527, 7225-7234.

l     Wei Chen, Zhenya Song, Qiaoyan Sun, Lin Xiao, Weibo She, Jun Sun, Peng Ge, Effect of solution treatment temperature on trigger stress induced matensitic transformation in Ti-10V-2Fe-3Al alloy, Journal of Solid Mechanics and Materials Engineering, 4(8), 2010,1296-1305.

l     Wei Chen, Zhenya Song, Lin Xiao, Qiaoyan Sun, Jun Sun, Peng Ge, Effect of prestrain on microstructure and mechanical behavior of aged Ti-10V-2Fe-3Al alloy, Journal of Materials Research, 2009,24(9), 2899-2908.