Results 81 to 90 of about 3,979 (211)

Shock-induced Martensite phase transformation and its effects of metastable near β Ti-5553 titanium alloy

open access: yesEPJ Web of Conferences, 2018
In this paper, microstructure evolution and mechanic properties of metastable near β Ti-5553 alloy were investigated. SHPB, SHTB and light gas gun were employed to carry out the dynamic loadings.
Wang Lin   +4 more
doaj   +1 more source

Mechanism of Directional Energy Transfer and Synergistic Control of Dynamic Burden‐Blasting Effects in Underwater Hole‐by‐Hole Blasting in Complex Aquatic Environments

open access: yesGeofluids, Volume 2026, Issue 1, 2026.
This study addresses the challenge of simultaneously controlling rock fragmentation and vibration during underwater rock blasting in complex environments. The Wuzhou Siliang River underwater blasting project was adopted as a case study. This research integrated field tests with LS‐DYNA numerical simulations based on the fluid–structure interaction (FSI)
Hou Yaning   +5 more
wiley   +1 more source

Dynamic Constitutive Model of Fractured Brittle Rock With Fillings Based on Weibull Distribution and High‐Frequency Maxwell

open access: yesShock and Vibration, Volume 2026, Issue 1, 2026.
Fractured rocks containing infill materials are frequently encountered in engineering applications, and an understanding of dynamic characteristics is crucial for assessing stability and preventing disasters in rock engineering projects. The novel feature of this paper is that a dynamic constitutive model of fractured rocks with fillings is proposed to
Liang Han   +5 more
wiley   +1 more source

Numerical simulations of SHPB tests using 921A steel pure shear hat-shaped specimens

open access: yes, 2009
A series of numerical simulations of SHPB tests using 921A steel pure shear hat-shaped specimens are conducted with ANSYS/LS-DYNA and validated by the SHPB tests in the present paper. Integrated with the theory of stress wave propagation in a SHPB system,
J. C. Li   +4 more
core   +1 more source

Cellulose Nanocrystal‐Reinforced Waterborne Polyurethane Composites with Excellent Dynamic Impact Resistance

open access: yesMacromolecular Materials and Engineering, Volume 310, Issue 12, December 2025.
The hydrogen‐bond‐enhanced CNC/WPU nanocomposites, fabricated via solution casting, exhibited a 59.6% increase in elastic modulus (5.57 ± 0.46 GPa), 29.9% higher energy absorption (165.2 ± 6.7 MJ·m−3), and a 36.21% improvement in maximum engineering stress (545.5 ± 17.5 MPa) at 0.5 wt.% CNC.
Mingping Zhou   +8 more
wiley   +1 more source

Characterisation of dynamic behaviour of alumina ceramics: evaluation of stress uniformity

open access: yesAIP Advances, 2015
Accurate characterisation of dynamic behaviour of ceramics requires the reliable split-Hopkinson pressure bar (SHPB) technique and the condition of uniaxial homogeneous specimen deformation.
Zhiyong Wang, Peifeng Li
doaj   +1 more source

Prediction of maximum strain and strain rate in SHPB specimens based on energy analysis [PDF]

open access: yes, 2013
The split Hopkinson pressure bar (SHPB) technique developed by H. Kolsky has been widely used to determine stress-strain curves of materials at strain rates from 102 to 104 s'.
Nurizzatul Atikha, Rahmat
core  

Numerical Analysis on Usability of SHPB to Characterize Dynamic Stress–Strain Relation of Metal Foam

open access: yes, 2017
Split Hopkinson pressure bar (SHPB) technique is the most important test method to characterize dynamic stress–strain relations of various materials at different strain rates, and this technique requires uniform deformation of specimen during the ...
Zejia Liu   +4 more
core   +1 more source

Dynamic mechanical response and failure patterns of ore rocks with varying grades

open access: yes矿业科学学报
This study investigates the dynamic mechanical response and energy dissipation mechanism of ore rock with different grades from the Baiyun Ebo West Mine under impact loading.
DU Wenxiu   +7 more
doaj   +1 more source

SHPB技术的回顾与展望

open access: yes, 2007
一、历史的回顾一般认为,J.Hopkinson与B.Hopkinson父子是利用长杆中应力波传播技术研究材料在高应变率下力学性质的奠基人。B.Hopkinson利用压力传感器测量了沿杆传播的应力脉冲,奠定了SHPB的技术基础。但实际上,在二次世界大战前后 ...
段祝平
core  

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