Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: August 2006
Authors: J. Hou, George Jeronimidis
The material properties of the unidirectional composites measured at Risø National Laboratory in Denmark are given in Table 1.
Table 1 Material properties of GRP used.
The composite was Load 100 mm Gauge 4 Gauge 2 Gauge 1 1325 mm 125 mm 100 mm 1325 mm Region prone to delaminate simulated as anisotropic elastic material with the properties given in Table 1.
However, this did not have any affect on the static proof loading of the suspension nor on its fatigue life.
We would also like to express our thanks to Risø National Laboratory for the material's mechanical properties.
Online since: December 2011
Authors: Bo Cui, Hao Liang Han
These ground movements may produce damage to buildings, roads, railway lines, or any other infrastructure in the surrounding areas affected by the subsidence.
Knothe time function A number of workers have considered the significance of time functions and the Knothe time function one of the most widely used time functions, proposed by Knothe [8], takes the following form (1) where t is the time, is the subsidence at a moment t; is the final subsidence at a given point and c is the factor of proportionality which is related to the physical and mechanical properties of the overburdened rock mass.
Considering wm as a constant and the initial Condition for w(t=0) as zero, we have (2) For purposes of further analysis, Eq. (2) will be described as a function of the independent variable t, thus we have (3) According to Knothe, the factor of proportionality, c; is a parameter describing the influence of geological and mining conditions on the deformation process in time.
Online since: September 2025
Authors: Faried Latief, Andika Fajar, Putri Istichomah, Bagas Haqi Arrosyid, Ratih Amalia, Muhammad Fahroji, Trivadila Trivadila, Akmal Zulfi, Andika Widya Pramono, Alfian Noviyanto
This typical morphology is further known in polycrystalline nanofibers (PNFs) that are particularly interesting due to their multiple crystalline grains, giving them distinct mechanical, electrical, and optical properties [21–23] for are beneficial in ceramics or metal oxide-based materials.
The β-phase of PVDF is the preferred phase that combines strong ferroelectric and piezoelectric properties [27].
The solution must consider several factors, such as polymer concentration, viscosity, solvent type, and structure [37].
Jayasimhadri, Dielectric and tunable ferroelectric properties in BiFeO3–BiCoO3–BaTiO3 ternary compound, Appl.
Zhang, Influence of crystalline properties on the dielectric and energy storage properties of poly(vinylidene fluoride), J of Applied Polymer Sci 122 (2011) 1659–1668. https://doi.org/10.1002/app.34020
Online since: June 2011
Authors: Masoud Emamy, Saber Ghannadi, E. Fadaei, A. Kiani
Improvement of mechanical, thermal and other properties has to be achieved, where they are dominantly determined by its microstructure [4].
It has excellent castability, sound room temperature (RT) mechanical properties and low cost [5].
It is well accepted that a fine grain size generally results in an increase in mechanical properties, such as yield strength, toughness and ductility, for most metals and alloys [6].
Furthermore, since magnesium has a large Taylor factor due to the lack of slip systems [7], grain refinement is believed to be a good method for improving strength [8].
In this study, it was also found that the grain refinement on AZ91 magnesium alloy was drastically affected by the use of 0.4 wt% strontium.
Online since: May 2021
Authors: Mohd Azham Azmi, Hamimah Abdul Rahman, Nurul Farhana Abdul Rahman
The polarisation resistance of a cathode can be affected by two factors: its porosity and the formation of a secondary phase [9].
The same factors affect the fabrication of dual composite cathodes.
Traditional preparation methods, such as mechanical mixing, limit the preparation of dual composite cathodes.
This synthesis requires three factors in the selection: 1.
Fergus, Solid Oxide Fuel Cells: Materials Properties and Performance, CRC Press, 2016
Online since: November 2011
Authors: Xue Han, Lan Wei Zhang, Wei Jun Wang, Li Li Zhang, Yan Hua Li, Rong Bo Fan
In fact, the structure of casein gel network that forms on renneting, together with moisture removal on syneresis, determines the physical properties of cheese [7].
However, little information could be available on the textural properties of rennet gels produced by reconstituted milk powder, which were more associated with the technical properties of subsequent processing and the consumer acceptability of the final products.
The objective of this research was to investigate the effect of milk composition proportioning on the textural properties of rennet gels produced by reconstituted milk powder.
Conclusions There were different texture properties of rennet gels produced by reconstituted milk powder with milk composition proportioning.
Improvement the texture of reduced-fat gels will require an understanding of the chemical, structural and mechanical properties which dictate these texture attributes.
Online since: September 2014
Authors: André Lazarin Gallina, Marcelo Grassi, Marilei de Fátima Oliveira, Paulo Rogério Pinto Rodrigues
After comparing results of the electrochemical evaluation of the coating proposed with the iron and zinc phosphate coatings, it was possible to see that the film formed presented better corrosion resistance properties.
The wide employment of this alloy is mainly due to the fact that it presents low cost and is easily obtained, besides presenting high mechanical resistance [1].
The addition of carbon, which might vary from 0.008 to 2.1% in mass, confers the steel mechanical resistance, and this is its main alloy element.
The corrosion is an old problem that affects several industrial sectors, involving high costs to substitute metallic parts.
Tests M1 M2 M3 1 - - + 2 + + + 3 - + + 4 + - + 5 + + - 6 - + - 7 0 0 0 8 + - - 9 - - - Factors Actual levels + - 0 M1 Concentration (mol L-1) 1 0.0001 0,01 M2 Temperature (ºC) 70 20 45 M3 Immersion time (min) 10 5 2.5 Results Experimental Planning This refers to the influence of the variables: temperature, immersion time and concentration of the SAM solution for the carbon steel treatment.
Online since: October 2015
Authors: Gabriel Fedorko, Zdenek Cujan
The productivity is possible to measure by various indicators including evaluation by some factors (see the next section), by which is possible to impact their level.
It is affected by many factors.
To these factors belong length of service in the branch, relationship to the enterprise, work environment, abilities of worker or quality of findings.
§ Productivity of assembling is possible positively to affect by formation of store zones.
ICIL 2014, Faculty of Mechanical Engineering and Naval Architecture, 2014: pp. 176-180
Online since: September 2014
Authors: Chun Xin Ge, Zhi Qiang Liu, Guo Qiang Guo, Ming Chen, Cheng Dong Wang, Qing Long An
The tool life also needs to meet the industry standard under the tough cutting condition, which is also depending on many influencing factors including workpiece material, suitable coolant or cutting fluid, cutter material and coating, etc.
The composition of workpiece and mechanical properties of the tool are given in Table 1 and Table 2.
Table 1 Chemical composition of workpiece material X12CrMoWVNb N-10-1-1 [wt. %] C Si Mn P S Cr Mo Fe 0.12-0.13 ≤0.25 0.40-0.60 ≤0.015 ≤0.01 10.00-11.00 1.00-1.10 balanced N Ti Ni V Cu W Nb 0.045-0.060 ≤0.005 0.60-0.85 0.15-0.25 0.052 0.90-1.10 0.045-0.060 Table2 Mechanical properties of the AlCrN-based hard coating Micro hardness (HV 0.05) Service temperature Max.
The reason was that tool wear directly affected dimension accuracy and profile precision of broaching slots.
Fig.8 Tool life comparisons of tools with coating and without coating In comparison with uncoated REX T15, the AlCrN generation exhibited improvements of all key coating properties such as hot hardness, oxidation resistance, and resistance to abrasive wear.
Online since: September 2013
Authors: Ying Yu, Chun Cheng Zuo, Yu Xin Zuo, Yang Yang
The Effect of Chain Length on Polyelectrolyte Brushes Formed from Adsorption of Diblock Copolymers Yang Yang1, a, ChunCheng Zuo1, b, YuXin Zuo1, c and Ying Yu1, d 1 College of Mechanical Science and Engineering, Jilin University, Changchun, 130025, China ajlu521@gmail.com , bzuocc@jlu.edu.cn , czuoyuxin11@mails.jlu.edu.cn, dyuying11@mails.jlu.edu.cn Keywords: polyelectrolyte brush; adsorption; diblock copolymer; Abstract.
The result shows that the surface adsorption density is affected strongly by ratio of A-block length to the chain length, inhibited by the counterions, which is qualitatively consistent with experiments.
Introduction The surface adsorption density depends on many factors, including solvent, characteristic of copolymer chain, counterions etc.
We study the properties of surface density and particles distribution.
Showing 19911 to 19920 of 26166 items