World Journal of Engineering: Volume 10 Issue 2

Inspection of anisotropic composites using ultrasonic phased arrays

D. Yan, B. Wright, I. Cooper

An approach, referred to as Velocity Variation Compensation (VVC), used to improve the inspection sensitivity of composites utilizing an ultrasonic phased array technique is…

Vacancy cluster effects on the behaviors of mechanical stretching of Au nanowires

Pei-Hsing Huang, Ming-Yue Huang, Hong-Yi Li, Yi-Chen Chung

Extensive atomistic simulations of the mechanical deformation of defective nanowires (NWs) were performed using the embedded-atom molecular dynamics modeling approach. The…

Preparation of copper nanoparticles and metal-metal bonding process using them

Y. Kobayashi, S. Ishida, K. Ihara, Y. Yasuda, T. Morita

This work describes a metal-metal bonding process by the use of Cu nanoparticles as a filler material. The Cu particles used were prepared by reduction of Cu²⁺ with hydrazine in…

Cold field emission electrode as a local probe of proximal microscopes: Investigation of defects in monocrystalline silicon solar cells

P. Tománek, P. Škarvada, D. Dallaeva, L. Grmela, R. Macků, S. Smith

Monocrystalline silicon is still very interesting material for solar cells fabrication due to its quality and external efficiency. Nevertheless during a tailoring of eligible…

Whiteness and absorbency of hydroentangled cotton-based nonwoven fabrics of different constituent fibers and fiber blends

Paul Sawhney, Chuck Allen, Michael Reynolds, Ryan Slopek, Brian Condon

The aim of this research is to develop greige (raw/non-bleached) cotton-containing nonwoven fabrics that likely would be competitive in quality, cost and performance to existing…

Enhancement of flow behavior of polypropylene composite via LMW and HMW flow promoters

Neelam Singh, Santanu Dutta

This paper discusses how melt flow indices and flow behavior data can be used to predict polymer flow in real industrial processes. The ability to simulate flow behavior can help…

Thermophysical properties of woven fabrics reinforced geopolymer composites

Xiem Thang, Petr Louda, Dora Kroisova

The aim of this study is to determinate thermophysical properties (thermal diffusivity, thermal conductivity, specific heat and thermal expansion) of geopolymer composites…

Calculating rupture of pile under static loading by method of analysis

Hacène Benyaghla, Mohamed Meksaouine, Larbi Mokrani, Lazhar Belabed

The theoretical study, presented here, deals with the problem of interaction pile soil, thus making a contribution in determining the resistance and friction edge side for a…

Physical properties of asphalt emulsion modified with natural rubber latex

M. Shafii, J. Ahmad, E. Shaffie

Asphalt is an important material that has been used widely in road paving industry as a binder for aggregate. There are a lot of studies that have been conducted to modify asphalt…

The adhibition research of filling paste preparation system based on fuzzy PID control algorithm

G. Wang, K. Guo, B. Zhang

The filling paste blending system is the core part in a paste backfill mining scheme. Its precision directly determines the flow properties and condensation curing performance of…

Manufacturing and characteristics analysis of PU/MWNT film for electrosatic dissipation

Seung-Jin Kim, Jun-Hyeong Park, Jeong-hyun Kim

This study surveys the characteristics of the nanocomposite film for PU/MWNT. For this purpose, several kinds of PU/MWNT nanocomposite films were prepared with four kinds of MWNT…

Active magnetic bearing condition monitoring

R. Gouws

In this paper, condition monitoring of the internal parts of a radial active magnetic bearing (AMB) system is performed by means of Cepstrum analysis, Wigner-Ville Distributions…

Errata: Graphene and Some of its Structural Analogues: Full-potential Density Functional Theory Calculations [WJOE 10(1) (2013) 39-48]

Gautam Mukhopadhyay, Harihar Behera