Results 41 to 50 of about 132,138 (320)

Effect of Velocity and Contact Stress Area on the Dynamic Behavior of the Spinal Cord Under Different Testing Conditions

Frontiers in Bioengineering and Biotechnology, 2022
Knowledge of the dynamic behavior of the spinal cord under different testing conditions is critical for our understanding of biomechanical mechanisms of spinal cord injury. Although velocity and contact stress area are known to affect external mechanical
Chen Jin, Rui Zhu, Meng-lei Xu, Liang-dong Zheng, Hui-zi Zeng, Ning Xie, Li-ming Cheng   +6 more
doaj   +1 more source

What is indentation hardness? [PDF]

, 2000
Using dimensional analysis and finite element calculations, we derive simple scaling relationships for loading and unloading curve, contact depth, and hardness.
郑哲敏, Cheng, YT (reprint author), Gen Motors Res & Dev Ctr, Mat & Proc Lab, Warren, MI 48090 USA., Cheng YT   +2 more
core   +1 more source

Biphasic parameter determination of sheep articular cartilage from stress relaxation data using an optimized 3D FE-based method

Current Directions in Biomedical Engineering, 2023
Mechanical characteristics of hard and soft tissues are central features for the quantitative description of tissue properties. In this study, we present a biphasic 3D-FE-based method to determine the biomechanical properties of sheep stifle joint ...
Reuter Thomas, Horbert Victoria, Kinne Raimund, Hurschler Christof   +3 more
doaj   +1 more source

Indentation Measurement in Thin Plates under Bending Using 3D Digital Image Correlation

Applied Sciences, 2021
In the current paper, a novel experimental methodology to characterize the contact behavior on thin plates under bending is presented. The method is based on the experimental measurement of the indentation observed during contact experiments.
Juan-Antonio Almazán-Lázaro, Elías López-Alba, Luis Rubio-García, Francisco-Alberto Díaz-Garrido   +3 more
doaj   +1 more source

Application of the spherical indenter for determination of the elastic modulus of coatings [PDF]

E3S Web of Conferences, 2023
In this work a study of nanoindentation of the surface of epoxypolyester-based powder coatings deposited on steel substrates was carried out. The effect of the test method on the identifiable mechanical properties is investigated. The measurement results
Farmakovskaya A.A., Okorokova N.S., Perchenok A.V.   +2 more
doaj   +1 more source

Indentation deformation in oxide glasses: Quantification, structural changes, and relation to cracking

Journal of Non-Crystalline Solids: X, 2019
Improving the fracture resistance of oxide glasses through adjustment of the chemical composition remains a challenging task, although composition-mechanical property relations have been established for simple model systems.
Kacper Januchta, Morten M. Smedskjær
semanticscholar   +1 more source

The Fabrication and Indentation of Cubic Silicon Carbide Diaphragm for Acoustic Sensing

Micromachines, 2021
In this study, 550 nm thick cubic silicon carbide square diaphragms were back etched from Si substrate. Then, indentation was carried out to samples with varying dimensions, indentation locations, and loads.
Siti Aisyah Zawawi, Azrul Azlan Hamzah, Burhanuddin Yeop Majlis, Faisal Mohd-Yasin   +3 more
doaj   +1 more source

Nano-indentation and indentation size effect on different phases in Lamellar structure high entropy alloy

, 2021
In the present work, effects of phase constitution on the tribological properties of FeCoNi(Bx Al1-x)0.1Si0.1 high-entropy alloy (HEA), where x = 0, 0,4, 0.7 and 1.0 are denoted as B0, B0.4, B0.7 and B1.0, respectively, were investigated.
Sulaiman, Mohd Hafis, Nordin, Norhuda Hidayah, Leong, Zhaoyuan   +2 more
core   +1 more source

Indentation of Commercial Pure Titanium Processed by Cold Rolling

Metals
In this work, the effects of plastic deformation on the indentation behaviors of commercial pure titanium alloy were investigated. Titanium experienced various kinds of deformation by cold rolling processes, and the indentation behaviors were measured ...
Diaoyu Zhou, Jiasheng Yu, Yiwei Dong, Yalu Qin, Xinwei Hao   +4 more
doaj   +1 more source

Error estimation of the physical and mechanical characteristics measurements by indentation

Приборы и методы измерений, 2018
The active application in the practice of testing the indentation methods, in particular to measure the physical and mechanical properties of metals, polymers, biological technologies demands to development techniques for the measurement error estimation.
A. P. Kren, O. V. Matsulevich, M. N. Delendik   +2 more
doaj   +1 more source