Characterization of bulk metallic glasses by microscratch test under Rockwell C diamond indenter and progressive normal load

M Liu - Engineering Fracture Mechanics, 2023 - Elsevier
Microscratch responses of 14 bulk metallic glasses were investigated by Rockwell C
diamond indenter under progressive normal load. Effects of mechanical properties on …

Measurement of fracture toughness of copper via constant-load microscratch with a spherical indenter

D Zhang, Y Sun, C Gao, M Liu - Wear, 2020 - Elsevier
Fracture toughness can be measured by microscratch test from objective force and depth
measurement, which is much convenient than indentation approach and conventional …

Sliding of a diamond sphere on fused silica under ramping load

M Liu, Q Zheng, C Gao - Materials Today Communications, 2020 - Elsevier
A diamond sphere of radius 105 μm was used to slide on fused silica under ramping load
from 5 mN to 5 N in order to investigate scratch-induced deformation and micro-cracking of …

Microscratch of copper by a Rockwell C diamond indenter under a constant load

M Liu - Nanotechnology and Precision Engineering, 2021 - pubs.aip.org
The scratch test is used for quality control mostly in phenomenological ways, and whether
fracture toughness can be obtained from this test is still a matter of debate requiring further …

Comparison of microscratch responses of metals between Berkovich and Rockwell C indenters under progressive normal force

M Liu, F Yan - Tribology Letters, 2021 - Springer
Microscratch test was conducted on sixteen metals by Berkovich and Rockwell C 120°
diamond indenters to compare scratch responses of metals under progressive normal force …

Proposing novel body-centered cubic lattice core sandwich panels as satellite structure

F Kamareh, B Pang, W Cao, R Chi, D Hu - Advances in Space Research, 2024 - Elsevier
In the present paper, a comparative study on the load-bearing as well as shielding
performance against hypervelocity impact of space debris of sandwich panels with body …

Multi-pass scratch test on pearlitic steel: Phase identification and crystallographic orientation analysis of the sub-surface layers

JI Pereira, G Tressia, PC Machado, A Sinatora… - Wear, 2021 - Elsevier
In this study, the abrasive wear of pearlitic steel was investigated, including the
corresponding microstructural changes at the sub-surface. Multi-pass scratch tests were …

Investigation of notch-induced precise splitting of different bar materials under high-speed load

Y Dong, Y Ren, S Fan, Y Wang, S Zhao - Materials, 2020 - mdpi.com
A notch-induced high-speed splitting method was developed for high-quality cropping of
metal bars using a new type of electric-pneumatic counter hammer. Theoretical equations …

Evaluating load-bearing and hypervelocity impact shielding capabilities of face-centered cubic lattice core sandwich panels

F Kamareh, B Pang, W Cao, R Chi, D Hu - Materials Today …, 2024 - Elsevier
In the present paper, a comparative study on load-bearing as well as hypervelocity impact
shielding performance of sandwich panels with face-centered cubic (FCC) lattice core is …

3D finite element simulation of scratch testing to quantify experimental failure mechanisms of a thin film

JR Pérez-Higareda, U Jirón-Lazos… - … and Simulation in …, 2023 - iopscience.iop.org
In this work, an exhaustive finite element (FE) simulation was developed to closely
reproduce experimental parameters such as normal force, tangential force, and penetration …