The loading-rate dependent tensile behavior of CNT film and its bismaleimide composite film

2017 ◽  
Vol 117 ◽  
pp. 37-46 ◽  
Author(s):  
Mengsi Zhang ◽  
Min Li ◽  
Shaokai Wang ◽  
Yanjie Wang ◽  
Yongyi Zhang ◽  
...  
Keyword(s):  
Composite Film ◽  
Loading Rate ◽  
Tensile Behavior ◽  
Rate Dependent

Notch Size and Loading Rate on the Tensile Behavior of Woven Fabric Reinforced Flexible Composite with Symmetrical Double Edge Notch

2013 ◽  
Vol 341-342 ◽  
pp. 49-53
Author(s):  
Ze Xing Wang ◽  
Jin Hua Jiang ◽  
Nan Liang Chen
Keyword(s):  
Tensile Strength ◽  
Composite Materials ◽  
Loading Rate ◽  
Tensile Behavior ◽  
Woven Fabric ◽  
Notched Specimen ◽  
Flexible Composites ◽  
Rate Dependent ◽  
Double Edge ◽  
Edge Notch

In order to investigate the effects of lager notch ratio (2α/W) and loading rate on the tensile behavior of woven fabric reinforced flexible composites, in this study, fracture mechanism and tensile strength of finite woven fabric-reinforced flexible composite materials with a through-the-thickness symmetrical located double edge notches is experimentally investigated, and the effects of notch size, loading rate on the tensile properties of notched specimen are analyzed. The results show that the woven fabric reinforced flexible composites exhibit notch sensitivity and loading rate dependent. These results play an important role in predicting strength and evaluating the lifetime of textile reinforced flexible composite materials with double edge notches.

Experimental study on hardening characteristics and loading rate dependent mechanical behaviour of gypsum mixed sand

2020 ◽  
Vol 262 ◽  
pp. 119992 ◽  
Author(s):  
Zain Maqsood ◽  
Junichi Koseki ◽  
Md. Kamrul Ahsan ◽  
Masum Shaikh ◽  
Hiroyuki Kyokawa
Keyword(s):  
Experimental Study ◽  
Mechanical Behaviour ◽  
Loading Rate ◽  
Rate Dependent

Improved Nanoindentation Phase Transformation in Functional Structure of NiTi SMA and Graphene

2015 ◽  
Vol 1119 ◽  
pp. 160-164
Author(s):  
Abbas Amini ◽  
Chun Hui Yang ◽  
Yang Xiang
Keyword(s):  
Indentation Depth ◽  
Loading Rate ◽  
Spherical Indentation ◽  
Niti Shape Memory Alloy ◽  
Cooling Process ◽  
Graphene Layers ◽  
Loading Rates ◽  
Rate Dependent ◽  
Niti Sma ◽  
Superelastic Deformation

Graphene layers were deposited on the surface of NiTi shape memory alloy (SMA) to enhance the spherical indentation depth and the phase transformed volume through an extra nanoscale cooling. The graphene-deposited NiTi SMA showed deeper nanoindentation depths during the solid-state phase transition, especially at the rate dependent loading zone. Larger superelastic deformation confirmed that the nanoscale latent heat transfer through the deposited graphene layers allowed larger phase transformed volume in the bulk and, therefore, more stress relaxation and depth can be achieved. During the indentation loading, the temperature of the phase transformed zone in the stressed bulk increased by ~12-43°C as the loading rate increased from 4,500 μN/s to 30,000 μN/s. The layers of graphene enhanced the cooling process at different loading rates by decreasing the temperature up to ~3-10°C depending on the loading rate.

Nonlinear Rate-Dependent Stress-Strain Behavior of Light-Weight Textile Conveyor Belt

2011 ◽  
Vol 675-677 ◽  
pp. 453-456
Author(s):  
Ze Xing Wang ◽  
Jin Hua Jiang ◽  
Nan Liang Chen
Keyword(s):  
Loading Rate ◽  
Testing Machine ◽  
Rate Sensitivity ◽  
Sensitivity Coefficient ◽  
Conveyor Belt ◽  
Uniaxial Tensile ◽  
Stress Strain ◽  
Strain Behavior ◽  
Rate Dependent ◽  
Dependent Behavior

In order to investigate the effect of loading rate on the tensile performance, the uniaxial tensile experiments were conducted on universal testing machine under different loading rates (5 mm/min, 10mm/min, 50 mm/min, 100 mm/min and 150 mm/min), and a constant gage length equal to 200mm, resulting in loading strain rate of 4.17×10-4, 8.33×10-4/s, 4.17×10-3/s, 8.33×10-3/s,1.25×10-2/s, and the tensile stress-strain curves were obtained. The experimental results show that the tensile properties of the conveyor belt exhibit obvious rate-dependent behavior. In this paper, the rate sensitivity coefficient varied with loading rate, was calculated, and the nonlinear rate-dependent behavior was also investigated.

FEM Analysis on Tensile Force of Geosynthetic Reinforcement Arranged in GRS-RW Considering Variable Loading Rate

2012 ◽  
Vol 188 ◽  
pp. 60-65
Author(s):  
Fu Lin Li ◽  
Fang Le Peng
Keyword(s):  
Finite Element ◽  
Loading Rate ◽  
Retaining Wall ◽  
Tensile Force ◽  
Fem Analysis ◽  
Reinforced Soil ◽  
Geosynthetic Reinforcement ◽  
Geosynthetic Reinforced Soil ◽  
Rate Dependent ◽  
Dependent Behavior

The combined effects of the rate-dependent behavior of both the backfill soil and the geosynthetic reinforcement have been investigated, which should be attributed to the viscous property of material. A nonlinear finite element method (FEM) analysis procedure based on the Dynamic Relaxation method was developed for the geosynthetic-reinforced soil retaining wall (GRS-RW). In the numerical analysis, both the viscous properties of the backfill and the reinforcement were considered through the unified nonlinear three-component elastic-viscoplastic model. The FEM procedure was validated against a physical model test on geosynthetic-reinforced soil retaining wall with granular backfill. Extensive finite-element analyses were carried out to investigate the tensile force distributions in geosynthetic reinforcement of geosynthetic-reinforced soil retaining wall under the change of loading rate. It is found from the analyses that the presented FEM can well simulate the rate-dependent behavior of geosynthetic-reinforced soil retaining wall and the tensile force of geosynthetic reinforcement arranged in retaining wall.

scholarly journals Nonlinear Loading-Rate-Dependent Force Response of Individual Vimentin Intermediate Filaments to Applied Strain

2017 ◽  
Vol 118 (4) ◽  
Author(s):  
Johanna Block ◽  
Hannes Witt ◽  
Andrea Candelli ◽  
Erwin J. G. Peterman ◽  
Gijs J. L. Wuite ◽  
...  
Keyword(s):  
Intermediate Filaments ◽  
Loading Rate ◽  
Applied Strain ◽  
Force Response ◽  
Rate Dependent

Atomistic prediction of the temperature- and loading-rate-dependent first pop-in load in nanoindentation

2019 ◽  
Vol 121 ◽  
pp. 280-292 ◽  
Author(s):  
Yuji Sato ◽  
Shuhei Shinzato ◽  
Takahito Ohmura ◽  
Shigenobu Ogata
Keyword(s):  
Loading Rate ◽  
Rate Dependent

On the Impact Tensile Behavior of Nylon and Aramid Silks for Parachute

2013 ◽  
Vol 821-822 ◽  
pp. 1365-1371
Author(s):  
Bing Hou ◽  
Xuan Chen ◽  
Lei Zhao ◽  
Yu Long Li
Keyword(s):  
Fracture Mode ◽  
Loading Rate ◽  
Tensile Behavior ◽  
Rate Effect ◽  
Shear Direction ◽  
Split Hopkinson ◽  
The Impact

The impact tensile behaviors of four parachute cloths have been studied experimentally by using Split Hopkinson Tensile Bars (SHTB). The force/strain curves at different loading velocities as well as the fracture mode are obtained for each material. Obvious loading rate effect was observed for both the strengths and the failure strains. The three Nylon silks are fractured mostly at the root of specimen/clamps connections and the Aramid silk is inclined to fracture in the middle of the specimen and in the shear direction.

Sign in / Sign up

Export Citation Format

Share Document