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Kolev, M. Machine Learning in Materials Science: Data-Driven Discovery and Functional Applications. Encyclopedia. Available online: https://encyclopedia.pub/entry/59837 (accessed on 25 July 2026).
Kolev M. Machine Learning in Materials Science: Data-Driven Discovery and Functional Applications. Encyclopedia. Available at: https://encyclopedia.pub/entry/59837. Accessed July 25, 2026.
Kolev, Mihail. "Machine Learning in Materials Science: Data-Driven Discovery and Functional Applications" Encyclopedia, https://encyclopedia.pub/entry/59837 (accessed July 25, 2026).
Kolev, M. (2026, July 07). Machine Learning in Materials Science: Data-Driven Discovery and Functional Applications. In Encyclopedia. https://encyclopedia.pub/entry/59837
Kolev, Mihail. "Machine Learning in Materials Science: Data-Driven Discovery and Functional Applications." Encyclopedia. Web. 07 July, 2026.
Peer Reviewed
Machine Learning in Materials Science: Data-Driven Discovery and Functional Applications
This is a peer-reviewed entry published in Encyclopedia Journal, full entry can be found at 10.3390/encyclopedia6070150

Machine learning (ML) in materials science refers to computational methods that learn statistical, structural, or physics-informed relationships from experimental, computational, and literature-derived materials data. These methods are used to predict materials properties, identify structure–property and process–structure–property–performance relationships, discover candidate materials, optimize synthesis and processing routes, and guide functional applications. ML is narrower than artificial intelligence (AI), which also includes broader reasoning, planning, search, and automation capabilities. It is also distinct from materials informatics, which is the wider data-centered framework that includes databases, descriptors, metadata, workflows, visualization, and knowledge management. ML can complement high-throughput computation by building surrogate models from density functional theory, finite-element simulation, molecular dynamics, or experimental data, but it is not identical to high-throughput screening itself. Unlike conventional physics-based modeling, which begins with explicit governing equations or mechanistic assumptions, ML usually infers predictive relationships from data; modern approaches increasingly combine both perspectives through physics-informed features, uncertainty quantification, and human expertise.

machine learning artificial intelligence materials informatics data-driven materials discovery structure–property relationships functional materials graph neural networks active learning inverse design high-throughput screening

1.1. From Empirical Materials Development to Data-Driven Materials Science

Materials development has historically combined empirical observation, thermodynamics, processing experience, and mechanistic modeling. Data-driven materials science extends this tradition by using curated experimental and computational data to infer patterns that are difficult to capture by trial-and-error experimentation alone. Materials informatics and big-data approaches have been described as part of a broader fourth-paradigm mode of scientific inquiry, in which data, models, and domain knowledge are used together to accelerate materials discovery [1][2].

1.2. Emergence of Materials Informatics

Materials informatics emerged from the need to organize, connect, and reuse increasingly heterogeneous materials datasets generated by computation, experimentation, characterization, and literature-derived sources. Its development was stimulated by high-throughput computation, combinatorial experimentation, and the need to connect composition, process, structure, property, and performance information in reusable ways [3][4].

1.3. Growth of Machine Learning in Materials Research

ML became prominent in materials science as public databases, automated calculations, imaging pipelines, and laboratory records increased the availability of machine-readable data. Solid-state materials studies have used ML for property prediction, descriptor construction, stability screening, and ranking of candidate compounds [5][6]. In continuum materials mechanics, ML and data mining have also been adopted for constitutive behavior, damage, fatigue, and microstructure–property modeling [7].

1.4. Scope of the Entry

This entry defines core concepts, summarizes data infrastructure and algorithm families, and describes representative applications in functional and structural materials. It is not a systematic literature review and does not rank publications bibliometrically. Its emphasis is on established terminology, technical principles, common workflows, validation practices, limitations, and future directions relevant to ML-enabled materials discovery and functional applications.
The purpose of this entry is to provide a concise but analytical overview of how ML is used in materials science, with attention to both its opportunities and its methodological constraints. The intended audience includes materials scientists, engineers, graduate students, computational researchers, and interdisciplinary readers who need a structured introduction to data-driven materials research. Relative to specialized reviews focused on a single algorithm family, database, or materials class, the distinctive contribution of this entry is its integrated treatment of definitions, materials data infrastructure, ML method families, validation and reproducibility issues, representative functional applications, industrial deployment considerations, and future perspectives within one encyclopedic framework.

References

  1. Agrawal, A.; Choudhary, A. Perspective: Materials Informatics and Big Data: Realization of the “Fourth Paradigm” of Science in Materials Science. APL Mater. 2016, 4, 053208.
  2. Rajan, K. Materials Informatics: The Materials “Gene” and Big Data. Annu. Rev. Mater. Res. 2015, 45, 153–169.
  3. Kalidindi, S.R.; De Graef, M. Materials Data Science: Current Status and Future Outlook. Annu. Rev. Mater. Res. 2015, 45, 171–193.
  4. Rickman, J.M.; Lookman, T.; Kalinin, S.V. Materials Informatics: From the Atomic-Level to the Continuum. Acta Mater. 2019, 168, 473–510.
  5. Liu, Y.; Zhao, T.; Ju, W.; Shi, S. Materials Discovery and Design Using Machine Learning. J. Mater. 2017, 3, 159–177.
  6. Schmidt, J.; Marques, M.R.G.; Botti, S.; Marques, M.A.L. Recent Advances and Applications of Machine Learning in Solid-State Materials Science. npj Comput. Mater. 2019, 5, 83.
  7. Bock, F.E.; Aydin, R.C.; Cyron, C.J.; Huber, N.; Kalidindi, S.R.; Klusemann, B. A Review of the Application of Machine Learning and Data Mining Approaches in Continuum Materials Mechanics. Front. Mater. 2019, 6, 110.
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Subjects: Materials Science, Biomaterials
Contributor MDPI registered users' name will be linked to their SciProfiles pages. To register with us, please refer to https://encyclopedia.pub/register : Mihail Kolev
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Online Date: 07 Jul 2026
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