نتایج جستجو برای: microstructure analysis

تعداد نتایج: 2857885  

Journal: :journal of nanostructures 2015
z. haji jamali m. almasi kashi a. ramazani

nicu alloy nanowires arrays were embedded into the anodic aluminum oxide (aao) template by ac-pulse electrodeposition. different off-time were used in electrolyte with constant concentration of ni and cu and acidity of 3. the effect of deposition parameters on alloy contents was investigated by studying the microstructure and magnetic properties of as-deposited nicu alloy nanowires. atomic forc...

Journal: :international journal of iron and steel society of iran 0
m. rafiei advanced materials research center, department of materials engineering, najafabad branch, islamic azad university, najafabad, iran m. shamanian department of materials engineering, isfahan university of technology, isfahan 84156-83111, iran m. salehi department of materials engineering, isfahan university of technology, isfahan 84156-83111, iran h. mostaan department of materials and metallurgical engineering, faculty of engineering, arak university, arak 38156- 8-8349, iran

in this research, b4c-ni cermet coating was sprayed on the surface of 4130 steel from b4c and ni feed-stockpowders using high velocity oxy-fuel (hvof) method. in order to characterize the tribological behavior of thecoating, ball on disk wear tests were done at the ambient temperature and under the loads of 1, 3 and 5 n.phase analysis of the coating after spraying was studied by x-ray diffracto...

2017
J. Loch

The work presents the results of the studies of Co-Cr-Mo casting alloys used in the production of frame casts of removable dentures, crowns and bridges in dental prosthetics. The studies were performed on four Co-Cr-Mo alloys of different contents of Mo, W and other additives. Electrochemical tests were performed, which aimed at examining the corrosion resistance of the alloys and observing the...

2000
JYH-CHENG YU

This paper discusses the design and the fabrication procedure of a novel design of microaccelerometer. The proposed design consists of a seismic mass suspended with quadri-beams and the patterned displacement transducers using piezoelectric thin films. The electromechanical system model is presented to illustrate the interactions of material characteristics, amplification circuit designs, and m...

2010
Maria Augusta Neto Wenbin Yu Tian Tang

The variational asymptotic method for unit cell homogenization is used to find the sensitivity of the effective properties of periodically heterogeneous materials, within a periodic base-cell. The sensitivities are found by the direct differentiation of the variational asymptotic method for unit cell homogenization (VAMUCH) and by the method of adjoint variables. This sensitivity theory is impl...

2000
Jan Zeman

Analysis of Mechanical Properties of Fiber-reinforced Composites with Random Microstructure

2017
Kuldeep Kumar Pietro Gori Benjamin Charlier Stanley Durrleman Olivier Colliot Christian Desrosiers

The extraction of fibers from dMRI data typically produces a large number of fibers, it is common to group fibers into bundles. To this end, many specialized distance measures, such as MCP, have been used for fiber similarity. However, these distance based approaches require point-wise correspondence and focus only on the geometry of the fibers. Recent publications have highlighted that using m...

Journal: :Journal of the Royal Society, Interface 2014
Yue Shao Hong-Ping Zhao Xi-Qiao Feng

As a natural composite, nacre has an elegant staggered 'brick-and-mortar' microstructure consisting of mineral platelets glued by organic macromolecules, which endows the material with superior mechanical properties to achieve its biological functions. In this paper, a microstructure-based crack-bridging model is employed to investigate how the strength of nacre is affected by pre-existing stru...

2009
Carl Chiarella Tony He Paolo Pellizzari

Abstract. Inspired by the theoretically oriented dynamic analysis of moving average rules in Chiarella, He and Hommes (CHH) (2006a) model, this paper conducts a dynamic analysis of a microstructure model of continuous double auctions in which the probability of heterogeneous agents to trade is determined by the rules of either fundamentalists mean-reverting to the fundamental or chartists who u...

2011
Bin Wen Nicholas Zabaras

Variability of fatigue properties of Nickel-based superalloys induced by microstructure feature uncertainties is investigated. The microstructure at one material point is described by its grain size and orientation features, as well as the volume fraction of the c0 phase. Principal component analysis (PCA) is introduced to reduce the dimensionality of the microstructure feature space. PCA and k...

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