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Extended Applications of the Depth-Sensing Indentation Method.
Dániel Olasz1,2, János Lendvai1, Attila Szállás2
1Department of Materials Physics, Eötvös Loránd University, P.O.B. 32, H-1518 Budapest, Hungary.
Micromachines
|November 26, 2020
Summary
Depth-sensing indentation, a 30-year-old technique, offers more than hardness and elastic modulus. This review details its advanced applications for studying dynamic material properties and deformation mechanisms.
Area of Science:
- Materials Science
- Mechanical Engineering
- Nanotechnology
Background:
- Depth-sensing indentation (DSI) has been utilized for nearly three decades.
- The method involves measuring load and penetration depth over time, often under controlled loading rates.
Purpose of the Study:
- To provide a comprehensive review of extended applications of DSI developed over the last 30 years.
- To highlight the versatility of DSI beyond basic mechanical property determination.
Main Methods:
- Review of literature and established DSI methodologies.
- Analysis of data obtained from DSI measurements, including load-displacement curves.
Main Results:
- DSI enables the study of various deformation mechanisms.
- Extended applications allow for the determination of dynamic characteristics like dynamic elastic modulus and strain rate sensitivity.
- Phenomena such as load-induced phase transitions can be investigated using DSI.
Conclusions:
- DSI is a powerful and versatile technique for materials characterization.
- Its extended applications provide deep insights into material behavior under indentation.
- The method facilitates the study of complex dynamic phenomena in materials.
