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Showing papers in "Materials & Design in 2008"


Journal ArticleDOI
TL;DR: In this article, the authors present the state of the art of the magnetostrictive materials and their applications such as: Reaction Mass Actuator, A standard Terfenol-D Actuators, Linear Motor Based on Terfenolin-D (Worm Motor), Terfenoline-D in Sonar Transducers, Terfenolate-D Wireless Rotational Motor, Terfetol-d Electro-Hydraulic ActuATOR, Wireless Linear Micro-Motor, Magnetostriction Film Applications, Magnetstrictive Contactless Torque Sensors and many

412 citations


Journal ArticleDOI
TL;DR: In this paper, the effect of tool pin profile and tool shoulder diameter on FSP zone formation in AA6061 aluminium alloy has been analyzed macroscopically and the tensile properties of the joints have been evaluated and correlated with the FSP zones formation.

404 citations


Journal ArticleDOI
TL;DR: In this article, the effect of material and process parameters on the diameter of polyacrylonitrile fibers were experimentally investigated using Response Surface Methodology (RSM) to design the experiments at the settings of solution concentration, voltage and the collector distance.

307 citations


Journal ArticleDOI
TL;DR: In this paper, the aluminum alloys AA5083 and AA1100 were tested in seawater at 23 and 60 °C and the results showed that the type of intermetallic particles in the aluminum alloy played a major role in passivity breakdown and pit morphology.

289 citations


Journal ArticleDOI
TL;DR: In this article, a multilayer feed forward ANN architecture, trained using error-back propagation training algorithm (EBPTA), is employed for the analysis of delamination behavior as a function of drilling process parameters.

285 citations


Journal ArticleDOI
TL;DR: A study on the effect of alkaline treatment on tensile properties of sugar palm fibre reinforced epoxy composites is presented in this article, where the treatment was carried out using sodium hydroxide (NaOH) solutions at two different concentrations and three different soaking times.

272 citations


Journal ArticleDOI
TL;DR: In this article, the effect of the cutting tool geometry and material on the thrust force and delamination produced when drilling a glass fibre reinforced epoxy composite was investigated, and the results indicated that lower thrust force was observed using drill EDP27199, whereas drill A1167A gave highest thrust force values.

262 citations


Journal ArticleDOI
TL;DR: In this article, a review based on classic and recent published literature regarding hydrogen diffusion and hydrogen assisted cracking in stainless steels is presented and reviewed as a possible method for building a bridge between the modelling of micro mechanisms in the fracture process zone and the global fracture response.

250 citations


Journal ArticleDOI
TL;DR: In this article, a new biomedical magnesium-based alloy, i.e., magnesium-calcium (Mg-Ca), has been designed from biological and metallurgical viewpoints, and the microstructure, mechanical and corrosion behaviors of Mg-C alloys with varying calcium content were investigated.

243 citations


Journal ArticleDOI
TL;DR: In this paper, a logical procedure for material selection for a given engineering application is presented based on an improved compromise ranking method considering the material selection attributes and their relative importance for the application considered.

203 citations


Journal ArticleDOI
TL;DR: In this article, the bending fatigue behaviors were investigated in glass fiber-reinforced polyester composite plates, made from woven-roving with four different weights, 800, 500, 300, and 200 ǫg/m2, random distributed glass-mat with two different weights 225, and 450 g/m 2 and polyester resin.

Journal ArticleDOI
TL;DR: In this paper, a closed cell composite metal foam has been produced using a powder metallurgy technique, which is processed by filling the vacancies between densely packed steel hollow spheres with steel powder and sintering them into a solid cellular structure.

Journal ArticleDOI
TL;DR: In this paper, the effects of cellulose and EFB fibers on the mechanical properties of polypropylene (PP) were investigated and the morphological properties and the influence of fiber loading on the properties of PP-cellulose and PP-EFBF composites were also conducted.

Journal ArticleDOI
TL;DR: In this paper, the effects of reinforcement materials on tribological and mechanical properties of composite materials were investigated by wearing with 10-N load and 50-rpm on a pin-on-disc wear test rig at dry conditions.

Journal ArticleDOI
TL;DR: In this paper, the relative significance of the drilling parameters on the thrust force and torque was investigated and the results of analysis of variance (ANOVA) were then used to make assumptions for developing a Finite Element model for predicting drilling induced damage.

Journal ArticleDOI
TL;DR: In this article, a multidesign optimization (MDO) technique has been applied to maximize the energy absorption and specific energy absorption of square, rectangular and circular tubes, and the results of MDO have shown that the circular tubes have the best response.

Journal ArticleDOI
Behçet Gülenç1
TL;DR: In this paper, the weldability of aluminum sheet to copper sheet by explosive welding and the effect of explosive ratio on the joint interface have been investigated experimentally, and it was shown that aluminum can be bonded to copper sheets by using explosive welding.

Journal ArticleDOI
TL;DR: In this article, the authors investigated the effects of alloying elements on grain growth and proposed an empirical equation for predicting the prior austenite grain size (AGS) of global low alloy steels.

Journal ArticleDOI
TL;DR: In this paper, the effects of welding time on the tensile-peel strength and tensile shear strength of welding joints in electrical resistance spot welding of chromate micro-alloyed steel sheets having 1.2mm thicknesses were investigated.

Journal ArticleDOI
TL;DR: In this article, four different additions of SiCp were made and the weight fractions used are 10, 15, 20, and 30% and three point bend tests were performed to reveal the fracture strength of the aluminum composites.

Journal ArticleDOI
TL;DR: In this paper, thin aluminium alloy 2024-T3 and 6082-T6 sheets, 0.8mm thick, have been welded in the rolling direction by friction stir welding (FSW).

Journal ArticleDOI
TL;DR: In this paper, the authors investigate three-dimensional free vibration of functionally graded annular plates with different boundary conditions using the Chebyshev-Ritz method, in which a set of duplicates of the Chebyhev polynomial series multiplied by the boundary function satisfying the boundary conditions are chosen as the trial functions of the displacement components.

Journal ArticleDOI
TL;DR: In this article, the thrust force of a step-core drill with various parameters (diameter ratio, feed rate, and spindle speed) was investigated for carbon fiber reinforced plastics (CFRP) laminates.

Journal ArticleDOI
Yangju Feng1, Lin Geng1, P.Q. Zheng1, Z.Z. Zheng1, G.S. Wang1 
TL;DR: In this article, an aluminum matrix hybrid composite reinforced with tungsten oxide particles (WO 3p ) and aluminum borate whiskers (ABOw), which have great specific gravity difference was fabricated by squeeze casting.

Journal ArticleDOI
TL;DR: In this article, commercial purity aluminum (AA 1100) strips were roll-bonded at warm and cold temperatures, and the peel strengths of the bonds were measured and found to increase when the rolling temperature or the thickness reduction are increased, and successful bonds whose peel strength approached that of the strength of base metal, were created.

Journal ArticleDOI
TL;DR: In this article, the effects of flame retardant fillers mixture, zinc borate and aluminum hydroxide, on polypropylene including various ratios of their accumulated concentrations, have been studied.

Journal ArticleDOI
TL;DR: In this article, a comparison of the performance of the vertical centrifugal casting and traditional gravity casting is made, and it is observed that the centrifugal force may increase rupture strength in ≈35%, and rupture strain in about 160% over the gravity casting technique.

Journal ArticleDOI
TL;DR: In this paper, the structure and mechanical properties of honeycomb sandwich panels are introduced and the satisfying weight condition of the honeycomb core weight is 50-66.7% of the weight of the whole honeycomb composite panels by theoretical analysis.

Journal ArticleDOI
TL;DR: In this article, the value of Fickian diffusivity constant, moisture equilibrium content and correction factor for the natural fiber composites were investigated, which was a combination of sugar palm fiber and epoxy resins and two different fiber compositions were chosen which were 10% and 20% by weight.

Journal ArticleDOI
TL;DR: In this paper, the influence of the primary welding parameters affecting the heat input such as, weld peak current, on the weld quality such as; surface appearances, weld nugget size, weld penetration, weld internal discontinuities, strength and ductility was determined for 304L resistance spot welded materials.