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 …

Microstructure effects on high velocity microparticle impacts of copper

TJ Lucas, AM Saunders, CA Schuh - Acta Materialia, 2024 - Elsevier
Constitutive models can fail to predict high-rate deformation behavior due to their inability to
account for microstructural effects. In part, this is because of a dearth of experimental …

[HTML][HTML] On the Strain Rate Sensitivity Measured by Nanoindentation at High Strain Rates

BL Hackett, P Sudharshan Phani, CC Walker… - Jom, 2024 - Springer
The flow stress of a material can be strongly dependent on the rate of applied strain.
Measuring the strain rate sensitivity can reveal key insights into the mechanisms that drive …

Effective characterization for the dynamic indentation and plastic parameters acquisition of metals

G Xiao, B Si, E Liu, L Qiao, Y Ma, X Shu - International Journal of Solids …, 2024 - Elsevier
As a fundamental test technique for the mechanical properties of materials, indentation
shows broad application prospects. Compared to the well-studied quasi-static indentation …

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 …

Diffusion Behavior and Mechanical Properties of the Mg-Er Binary System

Z Li, Y Tan, F Liu, X Tao, H Chen, Y Ouyang… - Journal of Alloys and …, 2024 - Elsevier
Abstract The Mg-Er binary system, as a new lightweight alloy material system with important
research value and prospects for development and application, has attracted much attention …

[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 …

Diffusion Growth and Mechanical Properties of Intermetallic Compounds in Mg–Pr System

Z Li, Y Tan, F Liu, X Tao, H Chen, J Wang… - … Materials Transactions A, 2024 - Springer
The diffusion behavior and the mechanics performance of the Mg–Pr system have been
characterized by the application of the diffusion coupling technique. Within the diffusion …

[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 …