Mechanical Properties of Modern Materials: Sub-Size Testing and Property Characterization
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Mechanics of Materials".
Deadline for manuscript submissions: 31 March 2027 | Viewed by 81
Special Issue Editor
Special Issue Information
Dear Colleagues,
The drive toward structural miniaturization, life-extension programs for aging infrastructure, and the development of high-performance materials for extreme environments has catalyzed a shift in mechanical characterization. There is increasing adoption of testing on sub-size and miniature specimens. Traditional standardized testing often requires bulk material volumes that are unavailable in irradiated zones, thin-film applications, surface coatings, thin-walled structures, or localized zones such as Heat-Affected Zones (HAZ) in welds. This Special Issue explores advancements, challenges, and standardization efforts in sub-size and miniature specimen testing of metals and alloys. Determination of mechanical properties using miniature specimen testing techniques at low, room, and high temperatures is welcome in this Special Issue.
Key areas of focus include:
- Methodological Innovations: Development of Small Punch Testing (SPT), micro-tensile tests, automated ball indentation techniques, and other miniature testing techniques.
- The "Size Effect": Investigating the breakdown of continuum mechanics at micro-scales and the correlation between miniature data and bulk material properties.
- Practical Applications: Utilizing small-scale testing for nuclear surveillance programs, additive manufacturing quality control, and forensic failure analysis.
- Numerical Correlation: The role of Finite Element Modeling (FEM) and inverse analysis in interpreting complex stress–strain states in non-standard geometries.
By consolidating recent research, this issue aims to bridge the gap between laboratory-scale experimentation and industrial structural integrity assessments, providing a roadmap for the future standardization of small-scale mechanical testing.
Dr. Petr Dymáček
Guest Editor
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Keywords
- small specimen testing
- micro-tensile test
- creep
- fatigue
- fracture
- automated ball indentation
- instrumented indentation test
- small punch test
- impression creep test
- microstructure
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