Ceramics Materials Overview

Principles

Definition

Ceramics materials is the academic field and research area concerned with the study of inorganic, non-metallic solids, investigating their composition, atomic structure, processing methods, and resulting physical and chemical properties. This domain explores materials typically crystalline or amorphous, often produced through high-temperature processes, focusing on the relationship between their structure, processing, and performance to enable their design and application in diverse technological sectors requiring properties such as high hardness, refractoriness, or specific electrical and optical behaviors.

Ontological type

Structure–Property Relations

Core Processing Methods

Functional Applications

Key developments

Key Figures

Microstructure-Driven Design era

Brian R. Lawn[1] is a leading ceramics scientist whose work during the Microstructure-Driven Design era spanned the University of California, Berkeley[3] and the University of Bristol[4]. His key contributions include A Critical Evaluation of Indentation Techniques for Measuring Fracture Toughness: I, Direct Crack Measurements[7], Role of Grain Size in the Strength and R‑Curve Properties of Alumina[8], and Microstructure‑Strength Properties in Ceramics: I, Effect of Crack Size on Toughness[9], which advanced the understanding of how indentation, grain size, and crack size govern toughness and strength in ceramics during this era. A.G. Evans[2] is associated with Harvard University[5] and Stanford University[6] in this era. His Perspective on the Development of High‑Toughness Ceramics[10], the REVIEW—Transformation Toughening in Ceramics: Martensitic Transformations in Crack‑Tip Stress Fields[11], and The strength of ceramics[12] helped establish the concepts of high toughness and transformation toughening that guided durable ceramic design during Microstructure‑Driven Design.

Processing and Precursor Control era

Tadashi Takenaka[1] was active at The University of Tokyo[3] and Pennsylvania State University[4] during the Processing and Precursor Control era. His work on lead-free piezoelectric ceramics advanced the field by detailing Electrical Properties and Depolarization Temperature of (Bi1/2 Na1/2)TiO3–(Bi1/2 K1/2)TiO3 Lead-free Piezoelectric Ceramics [6], Ferroelectric and Piezoelectric Properties of (Bi1/2 K1/2)TiO3 Ceramics [7], and Phase Transition Temperatures and Piezoelectric Properties of (Bi1/2 Na1/2)TiO3–(Bi1/2 K1/2)TiO3–BaTiO3 Lead-Free Piezoelectric Ceramics [8], clarifying how composition and phase stability govern properties and enabling reproducible microstructures for reliable lead-free ceramics. Hajime Nagata[2] is associated with Pennsylvania State University[4] and Tokyo University of Science[5] during this era. His contributions, as reflected in the Electrical Properties and Depolarization Temperature of (Bi1/2 Na1/2)TiO3–(Bi1/2 K1/2)TiO3 Lead-free Piezoelectric Ceramics [6], Ferroelectric and Piezoelectric Properties of (Bi1/2 K1/2)TiO3 Ceramics [7], and Phase Transition Temperatures and Piezoelectric Properties of (Bi1/2 Na1/2)TiO3–(Bi1/2 K1/2)TiO3–BaTiO3 Lead-Free Piezoelectric Ceramics [8], helped establish design principles for robust, environmentally friendly piezoelectric ceramics by clarifying how processing and precursor control tune phase behavior and microstructure.

Lead-Free Energy-Storage Ceramics era

Olivier Guillon [1], associated with San Diego State University [3] and RWTH Aachen University [4], is a leading figure in lead-free energy-storage ceramics in this era. His key contributions in this era include advancing Field‐Assisted Sintering Technology/Spark Plasma Sintering, as documented in Field‐Assisted Sintering Technology/Spark Plasma Sintering: Mechanisms, Materials, and Technology Developments [7], which enabled precise density and microstructure control essential for robust lead-free energy-storage ceramics. Nahum Travitzky [2], affiliated with Friedrich-Alexander-Universität Erlangen-Nürnberg [5] and Tomsk Polytechnic University [6], has been a leading contributor to additive manufacturing of ceramic-based materials in this era. His 2014 work Additive Manufacturing of Ceramic‐Based Materials [8] demonstrates how additive manufacturing enables architected, high-density ceramic components and processing-friendly temperature robustness, advancing energy-storage ceramic platforms in this era.