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Online since: June 2013
Authors: Prachya Peasura, Bovornchok Poopat
Alloy X-750 also has excellent properties down to cryogenic temperatures high stability and strength at high temperatures.
Introduction The Nickel-base super alloys require a full solution anneal and aging treatment following welding in order to restore mechanical properties.
Full Factorial Design.Full factorial design (2k) was analyzed the main factors and influences of interaction on factors that affect on the hardness.
To visualize these effects, the level of factors were always the results same for each me combination of factors combination factors.
Effect of Pre-heat Treatments on Nano Precipitation and mechanical Properties in Wrought Nickel Base Superalloy, X-750, Acta Metallurgica Slovaca, Vol.12, (2006), p.8 [3] E.Balikci, A.Raman, R.A.Mirshams, Metallurgy Material Transformation, A 28A ,(1997) [4] X.
Online since: December 2011
Authors: Yu Bao Li, Lin Cheng, Xiang Zhang
The intrinsic properties of the components, morphology of the system and the nature of interface between the phases determine the dynamic mechanical properties of the composite.
Both frequency and physiological saline had obvious effects on the dynamic mechanical properties for n-HA/PA66 composite.
The dynamic properties, generally expressed in terms of storage modulus, loss modulus and damping factor, can give insight into material structure, provide a convenient measure of polymer transition temperature and understand the other important properties such as fatigue and impact resistance.
To our knowledge, there is no report on dynamic mechanical properties for n-HA/PA66 biocomposites.
Fig.6 and Fig.7 show the effects of physiological saline on dynamic mechanical properties of 40wt%n-HA/PA66.
Online since: May 2014
Authors: Hui Qi, Hai Long Jiang, Hai Peng Zhang, Zhen Sheng Xia
The current loop is modulated by the relevant factors of ship shaft, and the SRE is produced.
The characteristics of SRE are affected by the factors below. 1) Bearing contact impedance change Shaft bearing contact impedance changes periodically with the ship propeller’s rotation.
Ship SRE related electrical characteristics analysis The main factor affecting the ship SRE characteristics is focus on the ship shaft structure.
Although the bearings have great difference in mechanical structure and mechanical properties, but the electrical characteristic and equivalent circuit are the same from the electrical point.
The circuit has the characteristics as follows. 1) Variety part is the main factors affecting to the ship SRE.
Online since: August 2014
Authors: Xin Huang, Yuan Gao, Ming Jie Lin, Zheng Guo Wang, Rong Lei Sun
Many factors affect the surface integrity of machined components, including cutting parameters, tool parameters, material properties and vibrations.
Factors Affecting Roughness and Residual Stresses In general, the factors that affect surface integrity (especially roughness and residual stresses) in machining process can roughly be classified into four groups: cutting parameters, tool parameters, material properties and vibrations in cutting process.
The mechanism does not depend on the mechanical properties of the material.
Material Properties.
So they are important factors affecting surface integrity and should be minimized.
Online since: April 2012
Authors: Han Lian Liu, Chuan Zhen Huang, Bin Zou, Qiang Shi, Yue Liu
Keywords: Mechanical properties; Microstructures; Ti(C,N)-TiB2-WC ceramic Abstract.
The microstructure and mechanical properties were investigated.
In order to improve the mechanical properties of Ti(C,N) cermet, the important factor that must be considered is the sintering additives.
(b4) EDS of S4 Mechanical properties.
From Fig4, the agglomerate metallic binders are found in TBW1 and TBW3, which is another factor affecting the mechanical properties.
Online since: October 2014
Authors: Xiao Hong Jiang, D.G. Piliptsou, Alexander V. Rogachev, Bing Zhou, Bing Ye
Influences of pulse frequency on structure and mechanical properties of DLC films synthesized by pulsed cathodic arc evaporation Bing Ye1, a, Xiaohong Jiang1,b*, Bing Zhou1,2,c, D.G.
The influences of given pulse frequency on the microstructure, morphology, mechanical and optical properties of DLC films were investigated by Raman spectroscopy, atomic force microscopy, Knoop sclerometer, X-ray double-crystal surface profilometer.
Pulse frequency is crucial influencing factors for pulsed cathodic arc method.
Therefore, understanding the interrelation of pulse frequencies and the growth of DLC films is of cardinal significance to optimize the microstructure and associated mechanical properties.
The differences in structural, morphological and mechanical properties with varying pulse frequency have been studied.
Online since: December 2011
Authors: A.K. Mukhopadhyay, Chandan Mondal, K. Chattopadhyay, Ashok Kumar Singh
Mechanical Property Anisotropy of 7010 Aluminum Alloy Sheet having Single Rotated-Brass Texture C.
Introduction The mechanical properties of wrought aluminum alloys often vary considerably with the direction of measurements.
Among these, crystallographic texture is considered to be the single most important parameter in determining mechanical and plastic properties of aluminum alloys.
Assuming a perfect texture, Schmid factors can be determined as a function of orientation to the rolling direction assuming octahedral slip on {111}á110ñ systems (Fig.2b).
The reciprocal of the maximum Schmid factors at each orientation gives an indication of the relative stress at which the materials begin to undergo plastic deformation (Fig. 2c).
Online since: March 2024
Authors: Barlin Oemar, Aria Wira Yuda, Amir Arifin, Irsyadi Yani
As this material has several very advantageous properties, leading to increasing applications in various industries, it is seldom used in mechanical engineering applications due to its tribological properties, which are unfavourable.
The review seeks to offer an understanding of how the predominant processing factors, specifically temperature and time, affect the microstructure and the creation of novel phases.
Therefore, this article conducted a comprehensive evaluation of previous research papers to improve our comprehension of the titanium nitriding procedure and the impact of different factors on its performance, with a specific emphasis on how they influence mechanical properties.
Mechanical, wear, corrosion and biological properties of arc deposited titanium nitride coatings.
Effect of hydrogen on microstructure and mechanical properties of plasma-nitrided pure titanium by cathodic cage plasma nitriding.
Online since: November 2024
Authors: Jian Sun, Yong Huang, Rui Yu, Yu Bin Liu, Si Ning Li, Si Yu Luo, Zeng Shui Liu
Niu Jingxing et al [4] conducted comprehensive tests on the physical properties, particle gradation characteristics, apparent morphology, elemental composition, mineralogical composition, and chemical properties of desert sand in typical desert areas, and found that factors such as the specific surface area and particle size of desert sand affect the strength formation process of concrete.
Research on Mechanical Properties of Desert Sand High Strength Concrete [J].
A review on the effect of macro factors of fiber on concrete [J].
A review on the mechanical properties of steel fiber concrete [J].
Experimental study on mechanical properties of steel fiber concrete [J].
Online since: April 2007
Authors: Chang Ho Lee, Yong Ho Park, Ik Min Park, Wang Kee Min
High quality products were obtained by hot-extrusion method and their texture and thermoelectric properties were measured.
Extrusion temperature dependence of power factor and figure of merit Figs. 3 and 4 shows the various thermoelectric properties of tested materials conducted PDSed and hot-extrusion.
The change of (1 1 0) plane which is perpendicular to the basal plane will affect the thermoelectric properties.
Hot-extruded materials show high thermoelectric properties than normally PDSed sample.
It means that more preferred structure affects the thermoelectric properties.
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