Results 101 to 110 of about 6,089 (210)

Stress Uniformity Analyses on Nonparallel End-Surface Rock Specimen during Loading Process in SHPB Tests

open access: yesAdvances in Civil Engineering, 2018
To investigate the influence of nonparallel end-surface on stress uniformity during loading process in rock SHPB test, SHPB numerical simulations have been carried out by LS-DYNA when end-face nonparallelism is within 0.40% and Young’s modulus ranges ...
Pu Yuan, Qin-yong Ma, Dong-dong Ma
doaj   +1 more source

CHARACTERIZATION of HIGH STRAIN RATE BEHAVIOR of TAC/CNTs/SIC CMCs PREPARED by SPARK PLASMA SINTERING [PDF]

open access: yes, 2015
Silicon carbide (SiC) ceramics are one of the best candidates for high temperature structural applications. However, due to the inherent drawbacks of hardness, porosity, and brittleness for ceramic materials and the specific application environment ...
Wosu, Sylvanus N, Xie, Qiaoyun
core  

The dynamic response of a β titanium alloy to high strain rates and elevated temperatures [PDF]

open access: yes, 2014
The stress-strain behaviour and microstructural evolution of the Ti-6Cr-5Mo-5V-4Al (Ti6554) alloy was systematically investigated using Split Hopkinson Pressure Bar (SHPB) tests over a wide range of strain rates from 1000s-1 to 10,000s-1 and initial ...
Dargusch, Matthew S.   +3 more
core   +1 more source

Crack Detection and Evolution Law for Rock Mass under SHPB Impact Tests

open access: yesShock and Vibration, 2019
In order to accurately identify and quantitatively calculate the surface cracks of rock mass under SHPB impact loading, an automatic crack detection algorithm was proposed and evaluated by the experiment.
Xie Beijing, Dihao Ai, Yu Yang
doaj   +1 more source

INVERSE COMPUTATIONAL DETERMINATION OF JOHNSON-COOK PARAMETERS USING THE SHPB TEST APPARATUS

open access: yesActa Polytechnica CTU Proceedings, 2019
The paper describes determination of the material parameters of the Johnson-Cook constitutive model of steel S235 JR sample material by applying the inverse computational methodology using the digital twin model of the SHPB.
Anja Mauko, Branko Nečemer, Zoran Ren
doaj   +1 more source

SHPB Test of High-Strength Concrete [PDF]

open access: yesProceedings of the 3rd International Conference on Material Engineering and Application (ICMEA 2016), 2016
Wei-Ling CHEN, Lan PANG, Chen LIU
openaire   +1 more source

Measurements of Strain-Rate Distributions on Material After Shpb Impact

open access: yesEngineering Transactions, 2011
We have proposed a sophisticated novel method of the SHPB experiment to measure the local strain-rate distributions on a surface of the specimen by using mechanoluminescent materials combined with a high-speed camera and an image intensifier. The feasibility study was made for the aluminum specimens pasted by a typical mechanoluminescent material -Eu ...
M. KAWAI   +4 more
openaire   +2 more sources

PREPROCESSING OF HOPKINSON BAR EXPERIMENT DATA: FILTER ANALYSIS

open access: yesActa Polytechnica CTU Proceedings, 2018
This work presents a data preprocessing procedure for signal acquired during high strain-rate loading using a custom Split Hopkinson Pressure Bar (SHPB).
Marcel Adorna   +3 more
doaj   +1 more source

Progressive Damage and Failure Analysis of Bonded Composite Joints at High Energy Dynamic Impacts [PDF]

open access: yes
Both wing and fuselage structures utilize bonded composite joints for structural efficiency in modern commercial and military aircraft. To ensure compliance with certification requirements mechanical fasteners are typically used as a failsafe mechanism ...
Bhasin, Akhil   +5 more
core   +1 more source

Strain-rate Dependence for Ni/Al Hybrid Foams [PDF]

open access: yes, 2015
Shock absorption often needs stiff but lightweight materials that exhibit a large kinetic energy absorption capability. Open-cell metal foams are artificial structures, which due to their plateau stress, including a strong hysteresis, can in principle ...
JIROUSEK Ondrej   +4 more
core   +2 more sources

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