Harmonic structure, a promising microstructure design

Kei Ameyama, Fabien Cazes, Hervé Couque, Guy Dirras, Shoichi Kikuchi, Jia Li, Frédéric Mompiou, K. Mondal, Dmytro Orlov, Bhupendra Sharma, David Tingaud, Sanjay K. Vajpai

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


The harmonic structure is a recently introduced concept paving the way for engineering metallic materials to achieve excellent mechanical performance. They consist of soft coarse-grained regions (Core) that are three-dimensionally surrounded by a connected network of hard ultra-fine grained regions (Shell). The interaction in these Core–Shell regions produces a synergistic effect, during plastic deformation, leading to superior mechanical properties that are extremely important in practical applications. The current review paper is aimed at providing a critical assessment on this novel concept of microstructure design. It also involves the identification and critical discussion of key issues which deserve additional studies.

Sidor (från-till)440-471
Antal sidor32
TidskriftMaterials Research Letters
StatusPublished - 2022

Ämnesklassifikation (UKÄ)

  • Bearbetnings-, yt- och fogningsteknik


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