Recent trends on studies of nanostructured metals

Nanostructured metals have been intensively investigated as these materials have abundant interfaces (grain boundaries and phase boundaries) that can drastically impact the mechanical and physical properties of materials. Significant research has been performed to understand the deformation mechanisms of nanostructured metals, and many of the major findings have been adopted by industry for the manufacturing of advanced materials for various applications. In this article, we highlight several recent breakthroughs and briefly introduce the focus of the articles in this issue that provide a more in-depth understanding of the forefronts of the field. Finally, we point out some of the research directions that may warrant further investigations.

[1]  M. Mayo,et al.  Structure and Mechanical Behavior of Bulk Nanocrystalline Materials , 1999 .

[2]  S. Whang,et al.  Tensile behavior and fracture in nickel and carbon doped nanocrystalline nickel , 2001 .

[3]  Xiaolei Wu,et al.  Ductility and strain hardening in gradient and lamellar structured materials , 2020 .

[4]  Q. Li,et al.  Size dependent strengthening in high strength nanotwinned Al/Ti multilayers , 2019, Acta Materialia.

[5]  Z. Pan,et al.  Manipulating the interfacial structure of nanomaterials to achieve a unique combination of strength and ductility , 2016, Nature Communications.

[6]  A. Minor,et al.  A new view of the onset of plasticity during the nanoindentation of aluminium , 2006, Nature materials.

[7]  Jun Sun,et al.  Ultrastrong Al0.1CoCrFeNi high-entropy alloys at small scales: effects of stacking faults vs. nanotwins. , 2018, Nanoscale.

[8]  D. Eskin,et al.  Iron in Aluminium Alloys: Impurity and Alloying Element , 2002 .

[9]  R. Rautioaho An Interatomic Pair Potential for Aluminium Calculation of Stacking Fault Energy , 1982 .

[10]  Y. Kulkarni,et al.  Deformation mechanisms in FCC Co dominated by high-density stacking faults , 2018, Materials Science and Engineering: A.

[11]  Yufeng Zheng,et al.  Precipitation in nanostructured alloys: A brief review , 2021, MRS Bulletin.

[12]  M. Buehler,et al.  Mechanical behavior of nanocomposites , 2019, MRS Bulletin.

[13]  Huan Ma,et al.  Nanocrystalline High-Entropy Alloys: A New Paradigm in High-Temperature Strength and Stability. , 2017, Nano letters.

[14]  Arvind R. Kalidindi,et al.  Stability criteria for nanocrystalline alloys , 2017 .

[15]  H. Gleiter,et al.  Nanostructured materials: basic concepts and microstructure☆ , 2000 .

[16]  Xiaolei Wu,et al.  Gradient and lamellar heterostructures for superior mechanical properties , 2021, MRS Bulletin.

[17]  J. Weertman,et al.  Tensile strength and creep properties of nanocrystalline palladium , 1990 .

[18]  Xiaolei Wu,et al.  Perspective on hetero-deformation induced (HDI) hardening and back stress , 2019, Materials Research Letters.

[19]  Amit Misra,et al.  Effect of grain boundary character on sink efficiency , 2012 .

[20]  C. Schuh,et al.  Stability of nanocrystalline metals: The role of grain-boundary chemistry and structure , 2021, MRS Bulletin.

[21]  A. Minor,et al.  “Mechanical Behavior of Nanostructured Materials” , 2010 .

[22]  Yifan Zhang,et al.  Ultra-strong nanotwinned Al-Ni solid solution alloys with significant plasticity. , 2018, Nanoscale.

[23]  Xiaolei Wu,et al.  Heterogeneous materials: a new class of materials with unprecedented mechanical properties , 2017, Heterostructured Materials.

[24]  S. D. Smith,et al.  Hall-petch strengthening for the microhardness of twelve nanometer grain diameter electrodeposited nickel , 1986 .

[25]  R. Valiev,et al.  Commercialization of bulk nanostructured metals and alloys , 2021, MRS Bulletin.

[26]  G. R. Bourne,et al.  Mechanical properties of nanocrystalline nickel produced by electrodeposition , 1999 .

[27]  Jian Wang,et al.  Twinning effects on strength and plasticity of metallic materials , 2016 .

[28]  Fuping Yuan,et al.  Extraordinary strain hardening by gradient structure , 2014, Proceedings of the National Academy of Sciences.

[29]  G. Sha,et al.  Grain boundary stability governs hardening and softening in extremely fine nanograined metals , 2017, Science.

[30]  M. Victoria,et al.  Nanocrystalline electrodeposited Ni: microstructure and tensile properties , 2002 .

[31]  Han Wang,et al.  High strength, deformable nanotwinned Al–Co alloys , 2018, Materials Research Letters.

[32]  Y. Kulkarni,et al.  Phase transformation induced plasticity in high-strength hexagonal close packed Co with stacking faults , 2019 .

[33]  Zbigniew Pakiela,et al.  Tensile strength and ductility of ultra-fine-grained nickel processed by severe plastic deformation , 2005 .

[34]  D. Xie,et al.  Superior twin stability and radiation resistance of nanotwinned Ag solid solution alloy , 2018, Acta Materialia.

[35]  J. Weertman,et al.  Microhardness of nanocrystalline palladium and copper produced by inert-gas condensation , 1989 .

[36]  I. Beyerlein,et al.  Hierarchical and heterogeneous multiphase metallic nanomaterials and laminates , 2021, MRS Bulletin.

[37]  Yifan Zhang,et al.  Coupled solute effects enable anomalous high-temperature strength and stability in nanotwinned Al alloys , 2020 .

[38]  C. Koch Optimization of strength and ductility in nanocrystalline and ultrafine grained metals , 2003 .

[39]  F. Yuan,et al.  Heterogeneous lamella structure unites ultrafine-grain strength with coarse-grain ductility , 2015, Proceedings of the National Academy of Sciences.

[40]  K. Lu Stabilizing nanostructures in metals using grain and twin boundary architectures , 2016 .

[41]  G. Dehm,et al.  In situ observation of dislocation nucleation and escape in a submicrometre aluminium single crystal. , 2009, Nature materials.

[42]  B. Boyce,et al.  Fatigue and fracture of nanostructured metals and alloys , 2021, MRS Bulletin.

[43]  C. Schuh,et al.  Six decades of the Hall–Petch effect – a survey of grain-size strengthening studies on pure metals , 2016 .

[44]  K. Lu,et al.  Enhanced thermal stability of nanograined metals below a critical grain size , 2018, Science.

[45]  Q. Li,et al.  Mechanical behavior of structurally gradient nickel alloy , 2018 .

[46]  Ning Wang,et al.  Room temperature creep behavior of nanocrystalline nickel produced by an electrodeposition technique , 1997 .

[47]  J. Weertman Hall-Petch strengthening in nanocrystalline metals , 1993 .

[48]  Y. Kulkarni,et al.  Thick grain boundary induced strengthening in nanocrystalline Ni alloy. , 2019, Nanoscale.

[49]  Yifan Zhang,et al.  He ion irradiation response of a gradient T91 steel , 2020 .

[50]  J. Greer,et al.  High‐Strength Nanotwinned Al Alloys with 9R Phase , 2018, Advanced materials.

[51]  H. Gleiter,et al.  Nanostructured Materials: State of the Art and Perspectives , 1995 .

[52]  Yifan Zhang,et al.  Tailoring the thermal stability of nanocrystalline Ni alloy by thick grain boundaries , 2020 .

[53]  Y. Mishin,et al.  Nanotechnology enabled design of a structural material with extreme strength as well as thermal and electrical properties , 2019 .

[54]  K. A. Padmanabhan,et al.  Grain size and grain boundary character distribution in ultra-fine grained (ECAP) nickel , 2008 .

[55]  Z. Shang,et al.  Grain refinement mechanisms and strength-hardness correlation of ultra-fine grained grade 91 steel processed by equal channel angular extrusion , 2019, International Journal of Pressure Vessels and Piping.

[56]  K. Ihokura,et al.  Gas-Sensing Materials , 1999 .

[57]  T. Langdon,et al.  Microstructural characteristics of nickel processed to ultrahigh strains by high-pressure torsion , 2008 .

[58]  K. Lu,et al.  Tension-induced softening and hardening in gradient nanograined surface layer in copper , 2014 .

[59]  D. G. Morris,et al.  Ductility of Nanostructured Materials , 1999 .

[60]  Yifan Zhang,et al.  Ultra-high strength and plasticity mediated by partial dislocations and defect networks: Part I: Texture effect , 2020 .

[61]  Z. Shang,et al.  9R phase enabled superior radiation stability of nanotwinned Cu alloys via in situ radiation at elevated temperature , 2019, Acta Materialia.

[62]  Xuemei Cheng,et al.  Deformation Twinning in Nanocrystalline Aluminum , 2003, Science.

[63]  J. Baldwin,et al.  The role of grain size in He bubble formation: Implications for swelling resistance , 2017 .

[64]  T. Nieh,et al.  Hall–Petch breakdown manifested in abrasive wear resistance of nanocrystalline nickel , 2002 .

[65]  Yifan Zhang,et al.  Deformation behavior and phase transformation of nanotwinned Al/Ti multilayers , 2020 .

[66]  N. Tao,et al.  Revealing Extraordinary Intrinsic Tensile Plasticity in Gradient Nano-Grained Copper , 2011, Science.