Structural materials is an academic concept identifying the fundamental constituent units or elements that form the structural basis of a system or phenomenon under investigation within a specific field of study. This concept investigates the inherent properties, organizational principles, and interactions of these units to elucidate the overall structure, behavior, and dynamics of the system.
Ontological type
Mechanical Properties
Key Categories
Microstructure–Property Relations
Indentation-Based Fracture Mechanics
1959 - 1992
Microstructure-Driven Toughening
1993 - 2006
Multiscale Architected Materials
2007 - 2024
Indentation-Based Fracture Mechanics era
Brian R. Lawn[1] was active at the University of California, Berkeley[3] and the University of Bristol[4] during this era. His key contributions include Elastic/Plastic Indentation Damage in Ceramics: The Median/Radial Crack System[7], A Critical Evaluation of Indentation Techniques for Measuring Fracture Toughness: II, Strength Method[8], and Crack‑Interface Grain Bridging as a Fracture Resistance I, Mechanism in Ceramics: I, Experimental Study on Alumina[9], which linked microstructure to fracture resistance and established practical diagnostics for brittle materials. A.G. Evans[2] was affiliated with Stanford University[5] and the University of California, Los Angeles[6] in this era. Evans[2] contributed to Elastic/Plastic Indentation Damage in Ceramics: The Median/Radial Crack System[7], helping to define indentation-based fracture criteria that integrated residual stresses and microstructural effects for reliability assessment in ceramics.
Microstructure-Driven Toughening era
Nitin P. Padture [1], affiliated with University of Connecticut [3] and The Ohio State University [4], contributed to structural materials research during this era. His key contributions include advancing Thermal Barrier Coatings for Gas-Turbine Engine Applications [5] and developing a Model for Toughness Curves in Two-Phase Ceramics: II, Microstructural Variables [6], which were important for guiding microstructure-driven toughening strategies in the era. Eric H. Jordan [2], affiliated with University of Connecticut [3], contributed to this era's microstructure-driven toughening discourse. His sole paper here Thermal Barrier Coatings for Gas-Turbine Engine Applications [5] underscores the role of coating architectures in elevating resistance to crack growth and shaping R-curve behavior in gas-turbine materials, a central theme for microstructure-driven toughening in this era.
Multiscale Architected Materials era
Julia R. Greer [1] is a leading materials scientist whose work in this era spans institutions such as Ulsan National Institute of Science and Technology [3] and Stanford University [4]. Julia R. Greer [1] pioneered Ultralight Metallic Microlattices [7], illustrating how nanoscale microstructures and architected lattices enable extreme weight-specific stiffness and energy absorption, a crucial driver of multiscale design and reliability in this era. E.P. George [2] is associated with the University of Tennessee at Knoxville [5] and The Ohio State University [6] in this era. E.P. George [2] contributed seminal work on Microstructure evolution and critical stress for twinning in the CrMnFeCoNi high-entropy alloy [8] and on Compressive strengths of molybdenum alloy micro-pillars prepared using a new technique [9], advancing understanding of deformation mechanisms and size effects that underpin design criteria for multiscale architected materials.