Development of a velocity measurement method for a microparticle projectile and high-speed impact testing of metallic materials for grain refinement

Kajihara, Miki; Nagaami, Kanari; Miyagawa, Takeru; Kondo, Toshiyuki; Yonezu, Akio

doi:10.1016/j.actamat.2023.119467

Acta Materialia

2024

DOI: 10.1016/j.actamat.2023.119467

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Development of a velocity measurement method for a microparticle projectile and high-speed impact testing of metallic materials for grain refinement

Miki Kajihara,

Kanari Nagaami,

Takeru Miyagawa

et al.

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Cited by 8 publications

References 22 publications

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Dual‐Modal Sensing Skin Adaptive to Daylight, Darkness, and Ultraviolet Light for Simultaneous Full‐Field Deformation Measurement and Mechanoluminescence Responses

Timilsina,

Jo,

Lee

et al. 2024

Advanced Science

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Mechanoluminescence (ML) and digital image correlation (DIC) have emerged as promising optical methods to visualize and measure deformation fields. In this study, a dual‐modal sensing skin, called the ML‐DIC skin is introduced, that is capable of emitting ML and facilitating DIC measurements under various lighting conditions, including daylight, night or darkness, and UV irradiation. Four ML‐DIC skins are fabricated with or without carbon nanotubes (CNTs) using a composite powder consisting of SrAl2O4: Eu,Dy (SAO), and acrylic resin, with CNT milling times of 48, 72, and 96 h for three of four skins, respectively. DIC measurements are performed under multiple lighting conditions for measuring photoluminescence, persistence luminescence, and reflection. Uniaxial tension tests demonstrate the superior performance of ML‐DIC skins with CNTs compared with pristine SAO skins, with the skin subjected to 48 h of CNT dispersion exhibiting optimal performance. Further investigations focus on ML emission and DIC measurements near the crack‐tip vicinity of static and propagating cracks as well as on surfaces above subsurface cracks. The integration of ML and DIC techniques offers a versatile approach for comprehensive deformation analysis applicable to diverse environments, with implications for materials science, engineering, and structural health monitoring.

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Dual‐Modal Sensing Skin Adaptive to Daylight, Darkness, and Ultraviolet Light for Simultaneous Full‐Field Deformation Measurement and Mechanoluminescence Responses

Timilsina,

Jo,

Lee

et al. 2024

Advanced Science

View full text Add to dashboard Cite

show abstract

A novel impact indentation technique with dynamic calibration method for measurement of dynamic mechanical properties

Li,

Wang,

et al. 2024

Journal of Materials Research and Technology

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The rebound law of micro-particle on amorphous alloys under high impact velocities

Jing,

Cai,

et al. 2025

Journal of Non-Crystalline Solids

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Development of a velocity measurement method for a microparticle projectile and high-speed impact testing of metallic materials for grain refinement

Cited by 8 publications

References 22 publications

Dual‐Modal Sensing Skin Adaptive to Daylight, Darkness, and Ultraviolet Light for Simultaneous Full‐Field Deformation Measurement and Mechanoluminescence Responses

Dual‐Modal Sensing Skin Adaptive to Daylight, Darkness, and Ultraviolet Light for Simultaneous Full‐Field Deformation Measurement and Mechanoluminescence Responses

A novel impact indentation technique with dynamic calibration method for measurement of dynamic mechanical properties

The rebound law of micro-particle on amorphous alloys under high impact velocities

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