Heterostructured Materials

Xiaolei Wu has been a professor at the State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, since 2003. He received his BS in Materials Science from Taiyuan University of Technology, China, in 1986, and his PhD from Northwestern Polytechnical University, Xi’an, China, in 1995. His current research focuses on developing and understanding heterostructure and deformation physics in advanced metallic materials for structural applications.Yuntian Zhu has recently joined the City University of Hong Kong as Chair Professor, before which he was a distinguished professor at North Carolina State University, where he worked from 2007 to 2020. He worked as a postdoc, staff member and team leader at Los Alamos National Laboratory (LANL) until 2007 after obtaining his PhD from the University of Texas at Austin in 1994. In recent years, he has focused on the deformation mechanisms at dislocation level and mechanical behaviors of heterostructured materials, nano/ultrafine-grained materials, and carbon nanotube composites. He is an experimentalist with primary interest in fundamental aspects of materials research and also in designing materials with superior strength and ductility. Prof. Zhu and his colleagues are pioneers of the emerging field of heterostructured materials. His publications have been collectively cited over 40,000 times with a h-index of 106, according to Google Scholar. He has received the Institute of Metals Lecture and Robert Franklin Mehl Award, ASM International Albert Sauveur Award, IUMRS Sômiya Award, TMS SMD Distinguished Scientist/Engineer Award, and TMS Leadership Award. He has been elected as a fellow of TMS, MRS, APS, ASM, and AAAS.

• Part 1: Perspective and Overview 1. Heterogeneous Materials: A New Class of Materials with Unprecedented Mechanical Properties 2. Perspective on Heterogeneous Deformation Induced (HDI) Hardening and Work Hardening 3. Ductility and Plasticity of Nanostructured Metals: Differences and Issues Part 2: Fundamentals of Heterostructured Materials 4. Extraordinary Strain Hardening by Gradient Structure 5. Heterostructured Lamella Structure Unites Ultrafine-Grain Strength with Coarse-Grain Ductility 6. Synergetic Strengthening by Gradient Structure 7. Hetero-Deformation-Induced Strengthening and Strain Hardening in Gradient Structure 8. Residual Stress Provides Significant Strengthening and Ductility in Gradient Structured Materials 9. Mechanical Properties of Copper/Bronze Laminates: Role of Boundaries 10. Hetero-Boundary-Affected Region (HBAR) for Optimal Strength and Ductility in Heterostructured Laminate 11. In-situ Observation of Dislocation Dynamics Near Heterostructured Boundary 12. Hetero-Deformation Induced (HDI) Hardening Does Not Increase Linearly with Strain Gradient 13. Extra Strengthening in a Coarse/Ultrafine Grained Laminate: Role of Gradient Boundaries 14. Ductility by Shear Band Delocalization in the Nano-Layer of Gradient Structure 15. Heterostructure Induced Dispersive Shear Bands in Heterostructured Cu 16. Dense Dispersed Shear Bands in Gradient-Structured Ni Part 3: Gradient Structure 17. Combining Gradient Structure and TRIP Effect to Produce Austenite Stainless Steel with High Strength and Ductility 18. Gradient Structure Produces Superior Dynamic Shear Properties 19. On Strain Hardening Mechanism in Gradient Nanostructures 20. Extraordinary Bauschinger Effect in Gradient Structured Copper 21. Atomistic Tensile Deformation Mechanisms of Fe with Gradient Nano-Grained Structure 22. Strain Hardening Behaviors and Strain Rate Sensitivity of Gradient-Grained Fe under Compression over a Wide Range of Strain Rates 23. Mechanical Properties and Deformation Mechanism of Mg-Al-Zn Alloy with Gradient Microstructure in Grain Size and Orientation 24.The Evolution of Strain Gradient and Anisotropy in Gradient-Structured Metal 25. Influence of Gradient Structure Volume Fraction on the Mechanical Properties of Pure Copper 26. The Role of Shear Strain on Texture and Microstructural Gradients in Low Carbon Steel Processed by Surface Mechanical Attrition Treatment 27. Bauschinger Effect and Hetero-Deformation Induced (HDI) Stress in Gradient Cu-Ge Alloy 28. Gradient Structured Copper Induced by Rotationally Accelerated Shot Peening 29. Microstructure Evolution and Mechanical Properties of 5052 Alloy with Gradient Structures 30. Quantifying the Synergetic Strengthening in Gradient Material 31. Achieving Gradient Martensite Structure and Enhanced Mechanical Properties in a Metastable β Titanium Alloy Part 4: Heterogeneous Grain Structure 32. Dynamically Reinforced Heterogeneous Grain Structure Prolongs Ductility in a Medium-Entropy Alloy with Gigapascal Yield Strength 33. Dynamic Shear Deformation of a CrCoNi Medium-Entropy Alloy with Heterogeneous Grain Structures 34. Superior Strength and Ductility of 316L Stainless Steel with Heterostructured Lamella Structure Part 5: Dual-Phase Structure 35. Strain Hardening and Ductility in a Coarse-Grain/Nanostructure Laminate Material 36. Effect of Strain Rate on Mechanical Properties of Cu/Ni Multilayered Composites Processed by Electrodeposition Part 6: Dual-Phase Structure 37. Simultaneous Improvement of Tensile Strength and Ductility in Micro-Duplex Structure Consisting of Austenite and Ferrite 38. Strain Hardening in Fe–16Mn–10Al–0.86C–5Ni High Specific Strength Steel 39. Deformation Mechanisms for Superplastic Behaviors in a Dual-Phase High Specific Strength Steel with Ultrafine Grains 40. Plastic Deformation Mechanisms in a Severely Deformed Fe-Ni-Al-C Alloy with Superior Tensile Properties 41. Hetero-Deformation Induced (HDI) Strengthening and Strain Hardening in Dual-Phase Steel