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Online since: June 2013
Authors: M.M. Emara
Alignment of reinforcement particles was observed to affect the fatigue behaviors of extruded composites strongly.
Interfacial reaction, in particular, can adversely affect the mechanical properties of the composite.
Fatigue behavior of particle reinforced composites depends on many factors, such as, matrix microstructure, volume fraction, and size of reinforcement particles, and the presence of inclusions in the matrix or defects such as particle clusters [11].
Fatigue crack growth and fatigue damage in unreinforced alloy and composites is significantly affected by R ratio.
Jones, “Fatigue properties of SiC particulate reinforced Al-Alloys”, proceeding of 4th international conference on fatigue, Honolulu, 887-892, 1990
Online since: August 2011
Authors: Yeong Sant Kuo
The porosity content of A201 aluminum alloy was affected by the local solidification time in this study.
All the factors will be discussed in this study to find out the influence on the porosity content.
Berry, “A Re-examination of Factors Affecting porosity Gradients in Unidirectionally Solidified Samples,” AFS Transactions, vol.116, (2008) pp.157-168, [6] F.M.
Kuo, "Mechanical Properties and Porosity Content of A201 Aluminum Alloy Castings in Different Cooling Rate Sand Molds", Advanced Materials Research , Vols. 154-155, (2011) pp.787-793, [8] C.Y.
Berry, “Effects of solidification Conditions on Mechanical Behavior of Al Cast Alloys,” AFS Trans.
Online since: January 2013
Authors: Jenn Yih Chen
The passive properties of the flux observer, rotor resistance estimator, and composite adaptive position controller were analyzed based on the passivity theorem.
According to the properties, the overall position control system was proved to be globally stable without using Lyapunov-type arguments.
The variation of the rotor resistance or unknown external disturbances will affect accuracy of stator current components and output responses.
represents the forgetting factor which is a positive constant.
The passive properties of the negative feedback connection of the rotor flux observer to the rotor resistance estimator, and the composite adaptive controller were proved.
Online since: August 2014
Authors: Anna Pavlovna Yurkova, Peter Olegovich Rusinov, Zhesfina Blednova
Factors that adversely affect the quality of the coatings produced in the medium of liquid metal melts is existents of impurities, in particular oxygen.
As for the functional properties of the surface layers of materials with shape memory strict observance of the chemical and phase composition is neccessary, the very important task is to clean inert gas (argon) of impurities.
The main characteristics that define functional and mechanical properties of the coatings are: adhesion, structure and phase composition.
Providing of functional and mechanical properties of the surface layer of TiNi were produced by complex thermal and thermomechanical processing on the technology described in [7].
Formation of Nanostructured Blankets from Materials with Effect of Memory of the Form (SMA) in the Conditions of a Plasma Dusting and their Optimisation for Maintenance of its Functional-mechanical Properties, in: Z.
Online since: May 2015
Authors: Azizah Shaaban, Lau Kok Keong, Mohd Fairuz Dimin, Omar Rostam, Mohamad Yatim Norazlina, M. Norhidayah, Sivaraos Sivaraos, H.H. Luqman, M.R. Said
Rate and time interval of spraying technique (Pulse) significantly influence the physical properties of urea granules.
Table 1 shows the correlation of measured factors to the UG size.
These physical properties revealed the most dominant factor contributed on UG size namely SR to control the spraying angle and enhance the size as well as hardness of UG [11].
Sunada, Effect of process variables on the properties and binder distribution of granules prepared in a fluidized bed, J.
Hill, Experimental study of wet granulation in fluidized bed, impact of the binder properties on the granule morphology, Int.
Online since: December 2024
Authors: Teerawut Pansuwannakun, Raksiri Sukkarak, Panich Voottipruex, Siriphat Maneekaew, Ittipon Meepon
This research explores the feasibility of incorporating dust stone into cement gravel columns to enhance their mechanical properties and sustainability profile.
Due to the aforementioned factors, numerous academics have started researching how varied dust stone sizes and percentages by weight affect a material's mechanical properties [1], [3], [7], [8], [9], [11], [12], [13], [14], [15].
The findings in this study are most likely from an academic or research investigation that examines how different design factors, specifically the gradation of fine aggregate and the amount of cement used, affect the porosity of porous concrete.
Hariprasad, “THE EFFECT OF CRUSHED ROCK POWDER AND SUPERPLASTICZER ON THE FRESH AND HARDENED PROPERTIES OF M 30 GRADE CONCRETE.”
Li et al., “Effect of granite dust on mechanical and some durability properties of manufactured sand concrete,” Constr Build Mater, vol. 109, pp. 41–46, Apr. 2016, doi: 10.1016/j.conbuildmat.2016.01.034
Online since: August 2008
Authors: Élson de Campos, Francisco Cristóvão Lourenço de Melo, Tetunori Kajita, Jerusa Góes Aragão Santana, José Luiz Minatti
EFFECT OF DIFFERENT SOLID AMOUNTS IN THE PHYSICAL AND MICROSCOPICAL PROPERTIES OF SiC POROUS CERAMICS Jerusa G.
Introduction The forming process is essential to determine the mechanical and microstructural properties of ceramic materials.
An increasing concern on the environment and the cost optimizing necessity that involve the different stages of the ceramic processing are factors that affect the choice of the correct forming process.
On the other hand, factors such as, availability, non-toxicity, besides inert properties must be considered when choosing the material to be used.
Both conditions of formation had their final properties influenced by foam presence and agglomerate formation.
Online since: January 2014
Authors: Xin Wu
Furtherly, it is held by scholars that it is the free gas and the adsorbed gas that coeffect to reduce the physical and mechanical properties of the coal and rock mass.
In order to examine how the friction characteristics of the crack affects the mechanical properties of coal containing gas, following steps will be done.
This is one of the reasons that coal physical and mechanical properties decreases after gas adsorption.
Test analysis of the mechanical properties of the coal containing gas.
The experiment research on the effect of gas on mechanical properties and mechanical response of coal.
Online since: November 2013
Authors: Yu Hua Yi, Liu Jie Guo
This paper mainly describes the properties of mechanical properties, heat resistance, and dynamic mechanical properties of polyurethane elastomer based on MDI and diamine chain extenders.
Mechanical properties.
Polymer 2003; 44: 2711-9. ], improving mechanical properties of the polyurethane elastomer.
For instance, in the development process of the PU tires, high-temperature resistance performance is one of major factors to affect practical application of the PU tire.
Fig. 2 TGA thermograms of the samples [TPU I-IX] Dynamic mechanical properties.
Online since: July 2020
Authors: Boonyanit Thaweboon, Sroisiri Thaweboon, Takashi Saito, Keiji Nagano
The presence of a cariogenic biofilm and fermentable carbohydrates is the main etiologic factors.
The presence of a cariogenic biofilm and fermentable carbohydrates (particularly sucrose) is the main etiologic factors.
These microorganisms have a typical combination of properties making them more cariogenic than other plaque bacteria.
The antibacterial property may be from the acidic of the monomers which will affect S. mutans whereas L. casei and A. viscosus can survive even in a low pH environment.
The disadvantages of these approaches were harmful effects on the maintenance of integral adhesive interfaces and the reduction in mechanical properties [18].
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