Showing papers in "Journal of Materials Processing Technology in 2008"

TL;DR: In this article, a review of research work and developments in synthesis, properties and characterization of silica aerogels is presented, with particular attention paid to drying, which is a critical step in aerogel synthesis and makes the production of this material more economical and commercial.

TL;DR: In this paper, the phase composition, crystallinity and the size of hydroxyapatite nanopowders were analyzed using X-ray diffraction and Fourier transform infrared (FTIR) spectroscopy.

TL;DR: In this paper, the effect of cutting parameters (cutting speed, feed rate and depth of cut) on cutting forces and surface roughness in finish hard turning of MDN250 steel (equivalent to 18Ni(250) maraging steel) using coated ceramic tool.

TL;DR: In this paper, the effect of machining parameters, e.g., cutting speed, feed rate and depth of cut on tool wear and surface roughness was studied, and it was observed that increase of reinforcement element addition produced better mechanical properties such as impact toughness and hardness, but tensile strength showed different trend.

TL;DR: In this article, the effects of process parameters on delamination during high-speed drilling of carbon fiber reinforced plastic (CFRP) composite are evaluated by considering cutting speed, feed rate and point angle as affecting process parameters.

TL;DR: In this paper, a finite element analysis (FEA) of machining of TiAl6V4 both for conventional and high speed cutting regimes is presented, where cutting force, chip morphology and segmentation are taken into account due to their predominant roles to determine machinability and tool wear.

TL;DR: In this article, the effect of welding speed and tool pin profile on FSP zone formation in AA2219 aluminium alloy has been analyzed macroscopically and the tensile properties of the joints have been evaluated and correlated with the formation.

TL;DR: In this paper, the formability and surface quality of the final product of these alloys are not good if processing is performed at room temperature, however, they have been shown to increase at temperature range from 200 to 300°C and better surface quality has been achieved.

TL;DR: In this paper, the authors present the findings of an experimental investigation into the effects of cutting speed, feed rate, depth of cut, nose radius and cutting environment in CNC turning of AISI P-20 tool steel.

TL;DR: In this paper, the authors presented the prediction and evaluation of thrust force and surface roughness in drilling of composite material using candle stick drill, which was based on Taguchi method and the artificial neural network.

TL;DR: In this paper, an ANN model of surface roughness parameters (Ra and Rt) is developed with the cutting conditions such as feed rate, cutting speed and depth of cut as the affecting process parameters.

TL;DR: In this paper, a review of the literature dealing with various polymer metal hybrid (PMH) approaches used to promote direct (adhesive-free) adhesion between metal and injection-molded thermoplastics is reviewed and critiqued.

TL;DR: In this article, an artificial neural network (ANN) and regression model were developed to predict surface roughness in abrasive waterjet machining (AWJ) process, where machining parameters of traverse speed, waterjet pressure, standoff distance, abrasive grit size and abrasive flow rate were considered as model variables.

TL;DR: In this article, high density Waspaloy® specimens were produced using specially assembled laboratory equipment by Selective Laser Melting (SLM) using a high power pulsed Nd:YAG laser.

TL;DR: Self-pierce riveting (SPR) is a high-speed mechanical fastening technique for point joining of sheet materials as mentioned in this paper, which is used heavily in the automotive sector due to the growing use of alternative materials such as aluminium and magnesium alloys.

TL;DR: In this article, Durability of concrete made with granite and marble as coarse aggregates was studied and the influence of coarse and fine aggregates on the strength of the concrete was evaluated.

TL;DR: In this article, a high-intensity ultrasonic liquid processor was used to obtain a homogeneous mixture of SC-15 epoxy resin and carbon nanofibers (CNF).

TL;DR: A comprehensive review of the main biaxial test systems that have been developed with primary focus on sheet metal testing is presented in this article, which includes a review of baoxial tensile test devices and specimen design for baoXial testing.

TL;DR: In this article, a brass wire of 0.25 mm diameter was applied as tool electrode to cut the specimen and experiments were performed under different cutting conditions of pulse on time, delay time, wire feed speed, and ignition current.

TL;DR: In this paper, a developmental combustion outer casing was fabricated via a hybrid-manufacturing route, which included an internal, circumferential flange of Alloy 718, built up via an automated, high volumetric deposition rate MIG process.

TL;DR: In this paper, the authors reviewed the methodologies and practice that are being employed for the prediction of surface profile and roughness, each approach with its advantages and disadvantages is summarized.

TL;DR: In this article, the influence of adhesive thickness and aluminum filler content on the mechanical performance of aluminum joints bonded by aluminum powder filled epoxy was determined by utilizing the single-lap shear test.

TL;DR: In this paper, the influence of deep cryogenic treatment on wear resistance and tool life of M2 HSS drills in high-speed dry drilling configuration of carbon steels was studied.

TL;DR: In this paper, the effect of processing parameters on mechanical and microstructural properties of AA6082 joints produced by friction stir welding was analyzed by means of tensile tests at room temperature.

TL;DR: In this paper, the effect of various factors/process parameters on the performance of Nd:YAG laser beam machining has been investigated and the importance of different design of experiments (DOE) methodologies used by various investigators for achieving the optimum value of different quality characteristics has also been discussed.

TL;DR: In this paper, the effect of cryogenic cooling on tool wear and high frequency dynamic cutting forces generated during high speed machining of stainless steel was investigated in dry and cryogenic conditions.

TL;DR: In this article, the compressive deformation behaviors of 42CrMo steel were investigated at the temperatures from 850°C to 1150°C and strain rates from 0.01−s −1 to 50 s −1 on Gleeble-1500 thermo-simulation machine.

TL;DR: In this article, a post-treatment of green metal parts (AISI 420 metal powder with 2-3% polymeric binder) was used for near-net-shape and net-shape manufacturing.

TL;DR: In this paper, the results of macrographic analysis and micro-hardness testing indicated that sound joints can be obtained in the parameters range of rotational speed equal to 800-1500rpm and welding speed of 150-400mm/min, while axial force and tool geometry were kept constant.

TL;DR: In this paper, a phase transition medium was used to prepare cast aluminium-A356 alloy by solidification of the melt and the cooling rate achieved with this technique is in the order of 102 k/s.