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Online since: February 2013
Authors: Quan Ying Yan, Ran Huo, Li Li Jin, Lin Zhang, Li Hang Yue
This paper investigated the heat transfer and mechanical property of phase change material (PCM) walls and common wall.
The thermal properties of these PCMs are shown in the Table I.
Experimental Results of Mechanical Property.
The addition of phase change material is bound to affect the mechanical properties of the wallboard.
The mechanical property of PCM wallboard is one of the important factors that affecting the application feasibility of the wall.
Online since: September 2013
Authors: Guo Min Lin, Miao Shang, Wen Guang Zhang, Jiao Jiao Ye
The functional relationship is analyzed between three-phase asynchronous motor electromagnetic torque and some factors; Mechanical characteristic curve of motor performance is drawn; The inherent mechanical properties and human mechanical properties are explored in a specific application.
The torque of three-phase asynchronous motor effects on mechanical properties The rated torque.
Classification of mechanical characteristics of three-phase asynchronous motor Inherent mechanical properties.
The mechanical properties determined by the inherent parameters of the motor.
Artificial mechanical properties is the result of artificially change the motor or power parameter.
Online since: October 2014
Authors: Murat Dilmeç, Hüseyin Arıkan
The mechanical properties become stable with natural ageing at room temperature within a few days for some heat-treatable alloys, especially 2XXX series, considerable changes of the properties occur even after many years for some of them.
This alloy is a heat-treatable alloy and its mechanical properties can be strengthened by precipitation hardening process [3,6].
In this study, three levels L9 orthogonal array was used to inspect the effect of 4 factors.
The factors and their levels are given in Table 2.
So the AA2024 material should be quenched in a short time so as to obtain good mechanical properties.
Online since: March 2014
Authors: Daniela Tarniţă, Dan Nicolae Tarnita, Marius Catana
The results show that misalignment (valgus variation) could damage the articular cartilage because they increase the stress magnitude, that progressively produce articular cartilage damage and it enhances the osteoarthritis phenomenon due to mechanical factors.
Knee misalignment is considered one of the biomechanical key factors, factors that influence the progression of knee osteoarthritis [4].
During the progressive stages of the osteoarthritis, the menisci and the cartilage change their structures and their material properties.
Material properties for knee geometric components are presented in Table 2.
Conclusions The biomechanical behavior of human knee cartilages is important in order to understand the OA phenomenon due to mechanical factors, because it could be possible to find solutions to prevent or diminish the OA effects.
Online since: February 2012
Authors: Chang Liu, Xu Hong Guo, Xin Xin Gao
Because of the excellent mechanical properties of Austempered Ductile Iron (ADI), track rollers can be made out of this material.
After the heat treatment, its mechanical properties are greatly improved, such as better strength, toughness, abrasion resistance, and its properties could be kept under a low temperature.
In this paper, the mechanical properties of 40Mn and suitable ADI material are compared, which is shown in table 1.
ADI materials The mechanical properties of ADI are greatly improved after the heat treatment.
Research on the influence and mechanism of the heat treatment parameters on mechanical properties of ADI [C]
Online since: June 2011
Authors: O. Farombi, A.M. Oladoye, W. O. Zubair, M.O.H. Amuda, Johnson Olumuyiwa Agunsoye
This invariably implies that these different Al alloys have different microstructure and mechanical properties.
This produces grains of fine texture that correspondingly leads to good mechanical properties.
This affects the mechanical property of the 2xxx series Al-Cu alloy castings and assists in accelerated failure.
Hatch Effects of Alloying Elements and Impurities on Properties of Aluminum: properties and physical metallurgy.
Caceres and C.J Davidson: Effects of solidification rate and ageing on the microstructure and mechanical properties of AZ91 alloy.
Online since: January 2010
Authors: Kei Ameyama, Masashi Nakatani, Hideyuki Tanaka, Fujiwara Hiroshi
Microstructure and mechanical properties of the HRS material are investigated in detail.
Though the MM time is the same, annealing has a significant influence on the mechanical properties.
As mentioned above, those milling and annealing conditions significantly affect the microstructure so that these outstanding mechanical properties of the HRS materials are attributed to the microstructure.
Figures 6 and 7 show the relation between mechanical properties and microstructural features.
Mechanical properties of the HRS compacts were strongly influenced by microstructural factors such as the shell area fraction and the core grain size of the nano / meso harmonic microstructure.
Online since: November 2015
Authors: K.V. Narayanan, K.T. Anand, A.John Rajan
FACTORS AFFECTING LEADTIME IN SPINNING MILLS K.T.Anand1,a*, A.
Abstract An investigation of the factors which affect lead time in spinning mills producing carded and combed counts is reported.
Conclusion In this paper, the factors that affect lead time in 40 Ne carded and combed counts have been discussed.
Govindarajulu, Some factor affecting yarn irregularity, Journal of the Textile Institute 65 (1974) 61 – 67
Khairul Akter, Analysis of the factors affecting the lead time for export of readymade apparels from Bangladesh; proposals for strategic reduction of lead time, European Scientific Journal 10 (2014) 268 – 283
Online since: July 2011
Authors: Xiang Hong Li, Jian Hua Yin
The Effect of Blending Ratio and Yarn Twist Multiplier on Polysulfone /Meta-aramid Blended Yarn Properties Xianghong Li 1, Jianhua Yin 2 1 Hebei University of Science and Technology, Shijiazhuang, Hebei, China, 050018 2 Hebei Province Research Center of Engineering and Technology of Textile and Garment, Shijiazhuang, Hebei , China, 050018 Keywords Blending ratio, Yarn twist multiplier, Two-factor analysis of variance, Yarn properties, Polysulfone /Meta-aramid blended yarn Abstract The effect of blending ratio and yarn twist multiplier on Polysulfone /Meta-aramid blended yarn properties is studied.
Properties of the fibers are shown in Table 1.
Yarn properties test YG1718-2 yarn hairiness tester is used to count yarn fuzz between 1mm to 9mm.
Results and discussion Different blended yarn properties are shown in Table 2.
Conclusions PSA/Meta-aramid blended yarn properties differ with different spinning conditions.
Online since: May 2011
Authors: K. Anantha Padmanabhan, S. Balasivanandha Prabu
The structural changes accompanying SPD that lead to improved mechanical properties are noted.
The mechanical properties of these materials are affected by many factors.
For using the UFG and NC materials for engineering applications, their fatigue properties need to be understood along with other mechanical properties.
Among the various factors, friction, die corner angle and strain hardening property critically affect the deformation homogeneity of work pieces in ECAP [185].
The mechanical properties of AZ31 Mg alloy processed through ARB are given in Table 4.
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