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Online since: September 2016
Authors: Munmun Bhaumik, Kasinath Das Mohapatra, Susanta Kumar Sahoo
It was found that both these factors were dependent on the diameter of the electrode.
Material Properties.
The thermal and mechanical property of copper material is listed in table 5.
The model is created by giving proper thermo-mechanical properties of the copper.
It was found that Pulse on time and Pulse off time were the most significant factors affecting the response parameters.
Online since: February 2012
Authors: Mohammad Hosseien Fathi, Ali Nemati, S. Adibnia, S. Baghshahi
As a matter of fact, HA shows good biocompatibility with human body but its applications are limited to non-load bearing areas due to its low mechanical properties [2].
In addition, nanostructured HA is expected to have better mechanical and bioactivity properties in comparison with conventional HA used in implant systems.
In this study, the effects of bioglass addition into HA on bioactivity properties were also investigated.
Some of the factors that might affect the agglomeration of particles are the tendency of the system to minimize the total surface area and the size of particles produced.
It is expected that this composite with regard to their desirable bioactivity might be a suitable candidate for fabrication of composite scaffold with specific features such as both enough mechanical and bioresorptional properties.
Online since: December 2006
Authors: Gao Lin, Dong Ming Yan
But majority of the available documents concerning the dynamic properties of concrete do not take initial static load into consideration.
But Majority of available documents concerning the dynamic properties of concrete does not take the initial static loads into consideration.
It is necessary to find out whether and how the initial load influences the rate-dependent properties of concrete in dynamic loadings.
To fully understand the mechanical behaviors of the material, more tests must be conducted corresponding to the range of strain rates and loading paths encountered in the applications of interest.
Factors affecting the relationship between rate of loading and measured compressive strength of concrete.
Online since: August 2019
Authors: Dibakar Behera, Prasant Rath, Shivkumari Panda
The thermal, mechanical, dynamic mechanical, interfacial and tribological properties have been investigated.
So this affects overall properties of a composite.
Mechanical properties- Generally mechanical properties of composites depend on chemical modification, orientation of fibers and rate of interaction between fiber and matrix.
Again fiber orientation in composites shows strong anisotropic mechanical properties.
Shinji, Mechanical properties of kenaf fibers and kenaf/PLA composites, Mech.
Online since: March 2011
Authors: Zu Xin Zhao, Wei Cao, Shu Zhen Shang, Xiao Ling Tang, Gui Min Lu
Effects of deformation temperature and strain rate on deformation behavior of semi-solid 6061 alloy were investigated on Gleeble3800 thermal-mechanical simulator.
Because the flow stress formulation of the semi-solid material is affected by the strain, the strain rate, the temperature and other variables, it should be represented as a function of these parameters
Fig.8 and Fig.9 showed the effect of friction factor on the equivalent stress and strain.
The friction factor were 0.2, 0.4, 0.6, respectively.
It was also found that the lubrication condition had little effect on the deformation properties.
Online since: December 2013
Authors: Wahab Saidin, T.I.T. Noor Hasanah, Ismail bin Bakar, D.C. Wijeyesekera
Materials with or manufactured in the form of cellular structure have many advantageous properties that enable further potential engineering applications.
Such innovative product and the associated techno social factors promote the modernization of the respective construction technologies, in particular for extremely challenging built environment scenarios.
This problem is exacerbated with compressible soils affecting stability and excessive settlement causing discomfort and hazards to road users.
Usage and Characteristic Properties of Industrial Polymers Industrial Usage.
Significance of Cellular Shapes and Sizes Physical properties of cellular materials depend on shape, cell size and porosity.
Online since: September 2011
Authors: Prasad K.D.V. Yarlagadda, Andre Poh, Shu Hau Hsu
However, the dissipation factors for absorptive materials are finite.
Their results indicated that curing of epoxies using microwaves reduces curing time and could improve the mechanical properties.
Fillers are commonly added into the mixed solution of epoxy resins and hardeners to change or improve the physical, mechanical and processing properties.
Another important factor in the tensile properties of the material is it’s percentage elongation.
Material properties were not greatly affected with the exception of Resin R 2515 which turned out to be very brittle even after reaching it’s “C state”.
Online since: July 2011
Authors: Qi Qing Huang, Wei Xie, Shao Wei Tu, Ya Zhi Li
While the research on mechanical properties of 2524-T3 alloy limited.
Srivatsan studied on the influence of test temperature on high-cycle fatigue properties and fracture characteristics of aluminum alloy 2524 [3, 4].
The microstructures and tensile properties of cold-rolled and T3 treated 2524 aluminum alloy sheet with the thickness of 2 mm at different orientation were investigated by tensile test [7].
The material mechanical property is given in Table 1.
(2) The average value of with the thickness of 1.6mm is 161MPam1/2, so 2525-T3 aluminum alloy shows superior fatigue properties and higher strength.
Online since: May 2012
Authors: Wei Zheng, Yong Wang, Guo Gang Chen, Tao Jin, Chao Hui Zhang
That is, the water is an important factor that causes the slope loose stability.
Through experiment data calculation, the sliding surface parameters can be achieved in table (Table 1) as follows: Table 1 Calculation Parameters Type Unit weight (kN/m-3) Natural strength parameters Strong rainfall parameters  Natural Strong rainfall Strong weathered silt mudstone 21.5 22.5 60 29 15 18 Middle weathered fined sandstone 25.5 25.5 90 32 60 26 Sliding surface 21.5 22.5 10 12 8 9 Influence Factors According to topography and geomorphology of this landslide, geological conditions etc, main influence factors about landslide stability can be follows: (1) Free faces and gullies exist in the slope. (2) Upper loose soil stratum has properties of bad degree of consolidation, water softening etc. (3) Impact of both regional tectonic and rivers cutting normally exist.
Fig. 2 Stability calculation model of bedding landslide slope The relative selection of physical and mechanical parameters, which are used to get the safety factors of design by Eq. 1 and Eq. 2 under strong rainfall condition, for instance, safety factors are shown in Table 2.
Table 2 Safety Factors Slope specifications Landslide design Geo-Slope Natural Strong rainfall Natural Strong rainfall Natural Strong rainfall O B J M O B J M 1.01 0.84 0.96 0.80 0.94 0.95 0.94 0.78 0.81 0.78 Annotation: 1.
[2] LiW.G, Analysis of Affecting Factors of Along-Bed Landslide of Rock Mass and Its Stability Under a Rainfall Condition, Ground Pressure and Strata Control, Vol. 23 (4), ( 2006).
Online since: June 2010
Authors: Guang Ping Han, Wan Li Cheng
Flake alignment level (FAL) is a primary variable in oriented strandboard (OSB) manufacture that significantly affects the properties of OSB panels such as linear expansion (LE).
Introduction Considerable amount of work has been done to correlate mechanical and swelling properties of structural OSB to flake alignment [1-5].
The properties and performance of OSB can be changed relatively easily by adjusting PA.
Cumulative distribution of flake alignment angles in front and back sides for a tested commercial OSB and perpendicular directions, LE properties did not show a clear trend as PA increased.
This indicated that it was hard to control LE properties in OSB manufacture.
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