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Online since: November 2017
Authors: Ilia V. Chumanov, Andrey N. Anikeev
Also presents the studies results of heat treatment effect on mechanical properties and metal structure.
Centrifugal casting in comparison with other methods has a number of advantages such as: labor productivity increase, process of centrifugal casting can be completely mechanized or automated, centrifugal castings differ in the increased mechanical properties of cast metal [5].
It is possible to reach the increase in mechanical properties of the strengthened materials by increase in quantity of particles as a result of secondary loss when carrying out heat treatment.
Sobczak: Wetting phenomenon as a factor affecting structure and properties of metal-ceramic materials produced by liquid phase processes (Foundry Research Institute, Poland 2004)
Sato, in: Nanocomposites with Unique Properties and Applications in Medicine and Industry, edtied by J.
Online since: October 2020
Authors: Hairul Arsyad, Ahmad Sahid, Muhammad Syahid
To improve the mechanical properties of Al-Si alloys can be added Cu elements.
The CuAl2 phase inhibits dislocation movement so that greater force for deformation and improve mechanical properties Introduction Aluminum Silicon Alloy (Al-Si) is widely used in the industry because it has a good cast ability, good mechanical properties and good corrosion resistance.
The addition of Cu elements to Al-Si alloys can improve mechanical properties.
Factors that cause fatigue failure are working stress, number of cycles, surface roughness and material properties.
A 528 (2011) 8128–8138 [7] Jacques Stolarz, Olivier Madelaine-Dupuic, Thierry Magnin, Microstructural factors of low cycle fatigue damage in two phase Al–Si alloys, Mater.
Online since: September 2012
Authors: Ai Qun Xu
The Factors Influcing Energy Transfer Efficiency of Micro-actuator Aiqun Xu Zhejiang University of Science and Technology,318 Liuhe Road, Hangzhou 310023, Zhejiang Province, P.R.
Introduction GMM is a new kind of intelligent material which has many good properties like high powered, high strain, high electromechanical factor and quick response etc.
The performance of GMM and output feature of GMA are both affected by the strength of magnetic field and whether the design of magnetic field is appropriate or not affect the performance of GMA directly.
Electromechanical coupling coefficient k33 reflects the conversion efficiency between magnetic energy and mechanical energy which depends on GMM’s feature.
Fig(4) shows the contour map of geometrical factor in α-β plane.
Online since: June 2014
Authors: Berend Denkena, Tanja Spremberg, Ingo Engler
The reduction of the run-in period affects the wear during the motor life time.
Introduction The approach to reduce environmental key factors such as CO2-emission or fuel consumption forces automotive suppliers, such as the Robert Bosch GmbH, to continuously improve their products towards efficiency [1].
According to Möckel et al. the factors mechanical wear and electromechanical wear have an optimum, depending on the contact pressure between brush and commutator [3].
Though the material properties, the load spectrum, temperature as well as the contact pressure affect the steady state roughness.
The other factors current and voltage flow, the revolutions per minute of the armature and the run time to standstill change significantly at that stage.
Online since: November 2008
Authors: Ai Hong Deng, Q. Hou, L.Q. Shi, Y.J. Zhang, X.X. Yu, J. Yu, Y.L. Zhou, X. Cheng, J.J. Long
Meanwhile, in order to find out the factors of affecting the growth and size of helium clusters, kinetic Monte Carlo (KMC) simulation was carried out to study the growth of helium cluster, based on the simulation of helium behavior in titanium using molecular dynamics.
The importance of understanding how the helium affects the mechanical properties of materials has been recognized since the 1950s [1].
It is well known that the accumulation of helium results in helium bubbles, and subsequently gives rise to the decline of macroscopic mechanical properties of the materials.
Meanwhile, some properties about defect evolution can also be predicted by KMC simulation. 2.
Online since: January 2014
Authors: Yuan Zhen Liu, Xu Li, Qin Liang
Abstract: It was carried out the test of the basic mechanical properties of lord-bearing thermal insulation concrete specimens before and after carbonization.
Fig.2 Relationship between splitting tensile strength and carbonizing age The tensile properties of concrete structure in common environment were usually ignored, and the structure was allowed to work with cracks, but in the carbonation environment, the anti-carbonation performance of the concrete working with cracks easily affected.
Summary Through the experimental analysis of basic mechanical properties of the bearing and thermal insulation glazed hollow bead reinforced concrete after carbonization, the following conclusions were drew: 1)With the age of carbonation growth, cube compressive strength of glazed hollow bead bearing and thermal insulation concrete with different water-cement ratios increased.
Hydrophobic expanded to explore the factors influencing the absorption rate of perlite preparation [J] .
[3] 《Standard for test method of mechanical properties of ordinary concrete》GB/T 50081—2002 [S] .
Online since: June 2017
Authors: Ting Biao Guo, Feng Zhang, Qi Li, Chen Wang, Wan Wu Ding
Sc and Zr can further enhance mechanical properties of Al-Zn-Mg-Cu alloy [18-20].
This kind of change feature made alloy mechanical properties larger difference.
Microstructures and mechanical properties of Al-Cu-Mn alloy with La and Sm addition.
Effect of Y on Microstructure and Mechanical Properties of Aluminum Alloy.
Effect of Zr on Microstructure and mechanical properties of 2E12 aluminum alloy.
Online since: September 2013
Authors: Zai Liang Chen, Fei Wang, Luo Hong Deng
By investigating the rules and degree which are obtained from the factors’ influence on bubbles morphology, it is actually meaningful that we can control and improve the bubbles morphology for improving the capability of Microcellular Foam Injection Molding materials.
Introduction The design of MCF (Microcellular foams) comes from the following two facts: (1) when the average diameter of bubbles is less than the crack which is in the polyfoam, the existence of bubbles will not reduce the strength of the materials; (2) Due to the presence of Microcellular, the crack tip will be passivated, so it prevents the crack extension within the stress, then improves the mechanical properties of plastic materials[1-4].
In this paper, different experimental factors such as the polymer melt temperature, the weight loss, the injection time and the gas content were changed individually to research these factors’ specific influences of micro bubbles’ morphology in the injection molding process.
Secondly, under the mechanical friction of Screw rotating and heater, it becomes melt.
So in this experiment, only four affecting factors (melt temperature, injection time, weight loss and gas content) were chosen to be investigated.
Online since: May 2011
Authors: Hui Qun Yang, Yan Qiang Yu, Yang Chen, Guo Bing Yang, Hui Min Gao, Ling Yan Zhang, Jun Fang Guan
Introduction The reinforcment performance of filler depends on several factors, such as, particle size, surface area, shape, and so on[1].
Measurement of mechanical properties.
Other mechanical properties didn’t vary much.
Effect of fillers loading on mechanical properties of composite materials.
The mechanical properties of NR composites got complemented by those three types of minerals
Online since: May 2012
Authors: F. Nizam, Qamar Nawaz
The software has its own interpretation of the characteristic properties of the polymeric materials and that of adhesive joints.
In the following we describe the implementation/conversion of the obtained properties of the solid fuel and adhesive in ABAQUS.
Properties of the solid fuel charge, adhesive and steel case were used as mentioned previously.
Ferry, Viscoelastic properties of polymers, 3rd ed.
Kelley, Solid Propellant Mechanical Properties Testing, Failure Criteria and Ageing, Adv. in Chem.
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