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Online since: October 2011
Authors: Chae Sil Kim, Hoon Hyung Jung
This analysis model allows various analysis approaches to be applied to the conditions affecting the construction of a large gantry crane in order to ensure the stability of the mast of the crane.
Such accidents may result in human injuries and in property damages.
Factors affecting a crane's hoisting load, such as its weight and design, have been applied when considering its vertical load.
Such factors include the shape of the entire structure of the box, wind loads acting on the transverse direction, and any weaknesses in the structure.
The safety factor is applied as follows in Table 1.
Online since: August 2013
Authors: Peng Fei Wei
While, the effect of Na2O on microwave properties of CBS glass-ceramics was not widely investigated.
Also, the physical properties of the optimized addition such as dielectric properties, thermal properties and mechanical properties were also evaluated.
However, the liquid phase has obvious effects on the sintering properties, but the dielectric properties also appear to be affected.
This meets the requirements of factors is suitable for using in LTCC substrates fabrication.
The behavior of dielectric constant is similar to that of the bulk density, indicating that microstructure is the important factor influencing the dielectric properties of the samples.
Online since: March 2015
Authors: Wei Lv
Roth, Soft magnetic properties of nanostructured vitropermalloy powdercores, IEEE Trans Magn. 46(2010) 471-472
Jana and R.Stefan, Soft magnetic properties of nanostructured vitroperm alloy powder cores, IEEE Trans Magn. 46(2010) 471-474
Cui and Z.B.Xiao, Fabrication and magnetic properties of FeCuNbSiB soft magnetic cores, Min Metall Eng. 29(2009) 95-99
Gong, Effect of the insulative materials on magnetic properties of nanocrystalline dust cores,MetallFunct Mater. 11(2004) 10-11
Choi, High frequency magnetic properties of Fe-based nanocrystalline alloy powder cores,Phys Stat Sol. 12(2007) 4100-4103
Online since: April 2008
Authors: Shi Hong Zhang, Zhou De Qu, Qun Zhang, Chen Lei
Temperature evolution is one of the important parameters of mechanical properties of thin strip products.
However, these above papers virtually deal with hot rolling in single pass without regarding multi-pass interactional factors during hot rolling.
The experiential initial friction factor of bite is 0.3.
At this deformation stage, the rise of the temperature is the combined action result of the two factors: the transfer heat effect of the friction and the deformation and the drop of the temperature due to the heat exchange.
(3) Reduction, friction and heat transfer coefficient strongly affected the distribution of temperature in strip
Online since: September 2013
Authors: Ji Peng Han, Xiu Xiu Wang, Yang Li, Zhou Hua Jiang, Yong Chao Yang, Lin Wang, Kai Ting Li
Tin increase the tensile strength and hardness of steel and reduce the impact property, which affects the processability of mild steel and is also one of the reasons causing embrittlement.
One of the main factors affecting hysteresis loss is the grain size and the optimum size is in the range of 100-150μm.
Even the Cr-containing cast iron is used for advanced nuclear reaction materials thanks to the excellent properties.
However the formation of sigma phase will damage the properties as ductility and impact toughness.
Adding tin will improve the cutting performance, and the mechanical property of tin-containing steel is equivalent to that of lead based cutting steel.
Online since: September 2014
Authors: Chun Fang Wang, Kai Kun Wang, Zhe Luo
One of the obstacles the thixo-extrusion has to overcome is lack of proof that can live up to the claim that thixo-extruded components have better mechanical properties.
This is one of the important factors why semi-solid processing has not be applied to the mass production.
The significant advantage of flexible thixo-extrusion forming technology is that the material is in the three-dimensional compressive stress state, the flow front is constrained by the sliding bricks and thus the final component has the better microstructure and mechanical properties compared with conventional extrusion processing in which the material owns a free flow front.
Furthermore, the factors such as temperature, strain rate are also concerned.
In the process of flexible thixo-extrusion, the flow front of the material is compressed by the sliding bricks which helps to improve the surface quality and the mechanical property of the final components.
Online since: June 2006
Authors: Mao Sen Cao, Qing Wen Ren
Since the natural frequency is one of the most fundamental damage characteristic factors, the above linear relationship shows that the fractal dimension of surface-crack distribution is able to effectively act as an effective damage characteristic factor.
Different from the conventional damage characteristic factors generated from vibration tests, this factor reflects structural damage from a new perspective of fractal analysis, and provides a viable and novel approach for health monitoring and safety evaluation for concrete structures.
Extraction of damage characteristic factors is the core of the technology, and it effectively reflects degree of structural damage [1].
Development or evolution state of cracks affects the mechanical properties of structures directly.
Relationship between Fractal Characteristics and Mechanical Property.
Online since: August 2013
Authors: Nadras Othman, Zulkifli Ahmad, Nordin Norhuda Hidayah
Recently, polysiloxane has been utilized as a LED encapsulant due to its attractive combination of good chemical resistance, optical and mechanical properties [3].
The aromatic structure of carbazole will significantly affect an increase in optical properties.
Optical and thermal properties.
The two factors that effect the value of dn/dT are cooficient of thermal expansion and electronic polarization coefficient.
Part I: Synthesis and thermal properties, Polym Degrad Stab, (2011).
Online since: February 2011
Authors: Hong Xian Ye, Xiao Feng Zhou
These algorithms had limits on color signals because they only considered the distribution property of the signals and ignored the temporal structure of them.
Because of the effect of error and other factors, it could not find an accuracy diagonal matrix to diagonalize a set of matrixes: () (6) Where was real diagonal matrix.
In this test, what we interested was the separation property, so the physics mean of the amplitude was not mentioned.
Sensor 1 was affected by vibration from A seriously.
While sensor 2 was affected by B weakly, and the effect could not be detect.
Online since: November 2019
Authors: Murthy A.G. Shankara, N.K. Mehta, Pradeep Kumar
Exit burr strongly affect product quality during assembly and it is difficult to remove them easily.
Materials and Methods In the present work Al6061 alloy is used as the matrix material for the fabrication of Al6061/SiCp composite, which. possesses superior mechanical properties and low cost.
Physical and mechanical properties of the developed Al6061/SiCp composite depend on the microstructure, distribution of SiCp and its bonding with the matrix material.
Ø Increase in feed increases Fz and Bh in drilling Al6061 and Al6061/SiCp composite due to the hardness and ductility properties.
References [1] Gillespie, L.K. and Blotter, P.T., The formation and properties of machining burrs, Transactions of ASME, Journal of Engineering for Industry, Vol. 98, 1976,pp.66–74
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