[HTML][HTML] Nanomechanical characterization

D Kiener, A Misra - MRS Bulletin, 2024 - Springer
Recent developments in test methodologies for nanoindenter-based small-length-scale
mechanical characterization are overviewed, such as micropillar compression, cantilever …

Indentation fracture of 4H-SiC single crystal

D Hou, M Liu, S Liu, F Yang - International Journal of Mechanical Sciences, 2024 - Elsevier
Understanding the deformation and fracture behavior of single crystal silicon carbide (SiC)
under a single particle is of scientific and practical importance for the micromachining of …

Probing the small-scale impact deformation mechanism in an aluminum single-crystal

K Wang, J Chen, Y Li, X Zhang, BD Beake - Journal of Materials Science & …, 2024 - Elsevier
Although the rate-dependence of metals has been widely researched, the deformation
mechanism under small-scale impact conditions lacked exploration and in-depth …

Weak strain-rate sensitivity of hardness in the VCoNi equi-atomic medium entropy alloy

KY Xie, D Yadav, BL Hackett, Y Zhang, R Patel… - Materials Science and …, 2024 - Elsevier
In this study, high strain rate nanoindentation was utilized to elucidate the dynamic behavior
and the underlying deformation mechanisms of the equi-atomic vanadium-cobalt-nickel …

Nanoscale phase transition in impact indented Mo/Cu thin films

BP Sahu, CC Walker, GM Pharr, A Misra - Scripta Materialia, 2024 - Elsevier
The study reveals a size effect in deformation mechanisms via unique structural transitions
in sputter deposited fcc/bcc nanolayers under high strain rate impact nanoindentation as …

Mechanical and dielectric properties of RE2SiO5 (RE= Ho, Er, Tm, Yb, and Lu) as high-temperature wave-transparent materials

Y Du, Z Tian, L Zheng, Z Chen, K Ming, B Li - Ceramics International, 2024 - Elsevier
As the flight speed of aircraft continues to increase, high-temperature wave-transparent
materials for radomes or antenna windows face great challenges. The shortage of new high …

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

C Li, S Wang, X Fu, J Zhao, J Zhang, C Shi, X Li… - Journal of Materials …, 2024 - Elsevier
High strain rates and continuous real-time data acquisition are difficult to balance in existing
impact indentation techniques. Meanwhile, the inaccuracy of the testing Ph curves limits the …

材料微区动态力学性能检测技术研究进展从压痕硬度测量到仪器化压入测试

赵守明, 朱远泉, 彭光健, 张泰华 - 力学学报, 2024 - lxxb.cstam.org.cn
针对材料微区动态力学性能检测技术, 阐述压痕硬度测量和仪器化压入测试的原理和机制,
分析动态压入测试的潜在问题, 介绍静态和动态压入载荷测量原理, 压入应变率含义 …

[HTML][HTML] High-throughput quantification of quasistatic, dynamic and spall strength of materials across 10 orders of strain rates

S Eswarappa Prameela, CC Walker, CS DiMarco… - PNAS …, 2024 - academic.oup.com
The response of metals and their microstructures under extreme dynamic conditions can be
markedly different from that under quasistatic conditions. Traditionally, high strain rates and …

Indentation size effects in hardness of annealed NiB coatings

A Soni, A Kumaraswamy, B Praveen Kumar… - MRS …, 2024 - Springer
Abstract Nix–Gao's factor (81/2) was replaced with (4.5 Ct2) using variable constraint factor
(Ct) for size-dependent analysis of crystalline coatings. Experimental investigations on …