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本人主要从事材料的高温力学行为研究,涉及到本构关系、疲劳、蠕变、失效分析以及寿命预测等。研究工作在探讨材料变形、失效的科学意义的同时,也为航空航天关键结构件的力学性能及安全评估奠定理论基础。在基础研究方面,涉及到从热力学基础角度构建材料的本构方程以及受复杂外载作用下的内部能量演化规律;在工程方面基于理论工作,并根据具体问题建立简单便捷的失效评估方法。欢迎对航空高温材料力学行为研究感兴趣的同学加入我的研究工作。
2022年01月-2023年12月 国家自然学基金青年项目“基于熵与耗散分析的金属循环塑性及疲劳行为研究” 主持
2020年08月-2022年07月 第67批博士后面上项目“基于机械耗散分析的金属蠕变疲劳耦合行为研究” 主持
2022年01月-2025年12月 国家自然科学基金面上项目“择优取向纳米孪晶金属循环塑性的原子尺度机理与本构模型” 参与
2016年01月-2019年12月 国家自然科学基金“室温变形镁合金多轴循环塑性本构宏微观研究” 参与
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支持扩展名:.rar .zip .doc .docx .pdf .jpg .png .jpeg2024年01月-2025年01月 新材料力学理论与应用湖北省重点实验室2023年度开放课题“基于热力学本构理论的GH4169高温镍基合金蠕变疲劳力学行为研究及寿命预测方法” 主持
2022年01月-2023年12月 国家自然学基金青年项目“基于熵与耗散分析的金属循环塑性及疲劳行为研究” 主持
2020年08月-2022年07月 第67批博士后面上项目“基于机械耗散分析的金属蠕变疲劳耦合行为研究” 主持
2022年01月-2025年12月 国家自然科学基金面上项目“择优取向纳米孪晶金属循环塑性的原子尺度机理与本构模型” 参与
2016年01月-2019年12月 国家自然科学基金“室温变形镁合金多轴循环塑性本构宏微观研究” 参与
目前基于已有工作基础,以第一或通讯作者身份发表SCI论文17篇,其中包含中科院一区期刊论文7篇,主持并参与科研项目多项。
论文列表如下(*代表通讯作者):
1. Chen W, He X, Sun C, Meng L. A thermodynamically consistent creep constitutive model considering damage mechanisms. Int J Mech Sci 2024 ; 276:109373.
2. Meng L, Chen W*. A Life Prediction Method for Cyclic Plasticity by the Maximization of Mechanical Dissipation. J Mater Eng Perform 2023 https://doi.org/10.1007/s11665-023-08330-5
3. MengL, Chen W*. A new thermodynamically based model for creep and cyclicplasticity. Int J Mech Sci 2022; 214: 106923.
4. ChenW#,Wan P#, Zhao Q, Zhou H*, Constitutive description of extra strengthening ingradient nanotwinned metals. Nanomaterials 2021; 11: 2375. (#Equallycontributed)
5. ChenW,Wang X, Yan Y*, Sumigawa T, Kitamura T, Feng M, Xuan F. Bending stressrelaxation of microscale single-crystal copper at room temperature: An insitu SEM study. Eur J Mech A-Solid 2021; 90: 104377.
6. MengL, Chen W*. Modeling for cyclic plasticity and rate-dependence of metalmaterials with a new non-unified viscoplasticity model. J Braz Soc Mech Sci Eng2021; 43: 205.
7. ChenW,Zhou H*. Modeling for cyclic plasticity of gradient nanostructured metals andfatigue life prediction. Int J Appl Mech 2021; 13: 2150021.
8. ChenW,Zhou H*, Yang W. Physically based modeling of cyclic plasticity for highlyoriented nanotwinned metals. J Appl Mech ASME, 2021; 88: 041011.
9. MengL, Chen W*, Greef VD, Feng M*. Time-dependent uniaxial behavior ofrolled magnesium alloy AZ31B at 393 K and room temperature. Mech Time-Dep Mater2020; doi.org/10.1007/s11043-020-09481-x.
10. MengL, Chen W*, Wang X, Yan Y. Thermodynamic analysis on two plasticitymodels considering the time-dependency of metal materials. Mater Today Coumm2020; 25: 101690.
11. YanY*, Chen W, Sumigawa T, Wang X, Kitamura T, Xuan F*. A quantitative insitu SEM bending method for stress relaxation of microscale materials at roomtemperature. Exp Mech 2020; 60: 937–947.
12. YanY*, Sumigawa T*, Wang X, Chen W, Xuan F, Kitamura T. Fatigue curve ofmicroscale single-crystal copper: An in situ SEM tension-compression study. IntJ Mech Sci 2020; 171: 105361.
13. MengL, Chen W, Feng M*. An experimental study of creep-ratchetting behaviorof rolled AZ31B magnesium alloy at room temperature. Fatigue Fract Eng MaterStruct 2020; 43: 417-428
14. MengL, Chen W, Yan Y, Kitamura T, Feng M*. Modelling of creep and plasticitydeformation considering creep damage and kinematic hardening. Eng Fract Mech2019; 218: 106582.
15. MengL, Hallais S, Tanguy A, Chen W, Feng M*. The effect of stress rate onratcheting behavior of rolled AZ31B magnesium alloy at 393 K and roomtemperature. Mater Res Exp 2019; 6: 086510.
16. Chen W,Kitamura T, Wang X, Feng M*. Size effect on cyclic torsion ofmicro-polycrystalline copper considering geometrically necessary dislocationand strain gradient. Int J Fatigue 2018; 117: 292-298.
17. Chen W,Kitamura T, Feng M*. Effect of geometrically necessary dislocations on inelasticstrain rate for torsion stress relaxation of polycrystralline copper in microscale. Mater Sci Eng A 2018; 726: 137-142.
18. Chen W,Kitamura T, Feng M*. Creep and fatigue behavior of 316L stainless steel at roomtemperature: Experiments and a revisit of a unified viscoplasticity model. IntJ Fatigue 2018; 112: 70-77.
19. HeZ, Chen W, Wang F, Feng M*. Akinematic hardening constitutive model for the uniaxial cyclic stress-strainresponse of magnesium sheet alloys at room temperature. Mater Res Express 2017;4: 116513.
20. Chen W, Wang F,Kitamura T, Feng M*. A modified viscoplasticity model consideringtime-dependent kinematic hardening for stress relaxation with effect of loadinghistory. Int J Mech Sci 2017; 133: 883-892.
21. Chen W, Wang F,Feng M*. Study of a modified non-unified model for time-dependent behavior ofmetal materials. Mech Mater 2017; 113: 69-76.
22. Chen W, Peng B,Wang F, Feng M*. Crack-inclusion interaction due to mismatched thermalexpansion under plane stress condition. Meccanica 2016; 51: 2225-2233.
23. Chen W, Feng M*.A study of a cyclic viscoplasticity model based on hyperbolic sine form for theinelastic strain rate. Int J Mech Sci 2015; 101-102: 155-160.

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