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Showing papers in "Journal of Materials Processing Technology in 2004"


Journal ArticleDOI
TL;DR: In this paper, a mixture of different types of particles (Fe, Ni, Cu and Fe3P) specially developed for selective laser sintering (SLS) is described.

1,342 citations


Journal ArticleDOI
TL;DR: In this paper, the authors applied the Taguchi optimization methodology to optimize cutting parameters in end milling when machining hardened steel AISI H13 with TiN coated P10 carbide insert tool under semi-finishing and finishing conditions of high speed cutting.

746 citations


Journal ArticleDOI
TL;DR: In this article, the performance of a multilayer tungsten carbide tool was described using response surface methodology (RSM) when turning AISI 1045 steel.

660 citations


Journal ArticleDOI
TL;DR: An overview on the virtual reality applications in manufacturing processes is given and it is shown how virtual reality has been applied successfully to hundreds if not thousands of scenarios in diverse areas.

462 citations


Journal ArticleDOI
TL;DR: In this paper, a simple theoretical analysis of the cylindrical compression test has been developed so that the constant friction factor can be estimated quantitatively by using cold/hot compression test.

387 citations


Journal ArticleDOI
TL;DR: In this article, the results of an experimental investigation carried out to study the effects of machining parameters such as pulsed current on material removal rate, diameteral overcut, electrode wear, and surface roughness in electric discharge machining of En-31 tool steel (IS designation: T105 Cr 1 Mn 60) hardened and tempered to 55 HRc.

385 citations


Journal ArticleDOI
TL;DR: An overview of the state of the art of laser beam machining in general with special emphasis on applications of short and ultrashort lasers is given in this article, where the driving force is higher accuracy at reasonable cost, which is realised by compact systems delivering short laser pulses of high beam quality.

381 citations


Journal ArticleDOI
TL;DR: In this article, three-dimensional nonlinear thermal and thermo-mechanical numerical simulations are conducted for the friction stir welding (FSW) of 304L stainless steel.

349 citations


Journal ArticleDOI
TL;DR: In this paper, the effect and optimization of machining parameters on the kerf (cutting width) and material removal rate (MRR) in wire electrical discharge machining (WEDM) operations were investigated.

345 citations


Journal ArticleDOI
TL;DR: In this article, the effects of edge preparation of the cutting tool (round/hone edge and T-land/chamfer edge) upon chip formation, cutting forces, and process variables (temperature, stress, and strain) in orthogonal cutting as determined with finite element method (FEM) simulations.

317 citations


Journal ArticleDOI
TL;DR: In this paper, the authors present some recent developments in micro-EDM in its various forms (wire, drilling, milling and die-sinking) and discuss the main research issues.

Journal ArticleDOI
TL;DR: In this paper, a review of the state-of-the-art in the micro forming of metals is given, where scaling effects occur in tribological aspects such as the friction coefficient, which increases with decreasing specimen size.

Journal ArticleDOI
TL;DR: In this paper, the multi-response optimization of the process parameters viz., metal removal rate (MRR), tool wear rate (TWR), taper (T), radial overcut (ROC), and surface roughness (SR) on electric discharge machining (EDM) of Al-10%SiC P as cast metal matrix composites using orthogonal array (OA) with Grey relational analysis is reported.

PatentDOI
TL;DR: In this article, the authors describe methods and systems of stereolithography for building cost-efficient and time-saving multi-material, multi-functional and multi-colored prototypes, models and devices configured for intermediate washing and curing/drying.

Journal ArticleDOI
TL;DR: In this article, a tool wear model for the specified tool-workpiece pair is developed via a calibration set of tool wear cutting tests in conjunction with cutting simulations, and modifications are made to the commercial FEM code used to allow tool wear calculation and tool geometry updating.

Journal ArticleDOI
TL;DR: In this article, a detailed investigation of the material removal mechanisms of some commercially available electrical conductive ceramic materials through analysis of the debris and the surface/sub-surface quality is presented.

Journal ArticleDOI
TL;DR: In this paper, a study was carried out on the influence of the factors of intensity ( I ), pulse time ( t i ) and duty cycle ( η ) over the listed technological characteristics.

Journal ArticleDOI
TL;DR: In this paper, a new interpretation of chip segmentation in the cutting of Ti-6Al-4V is presented based on an implicit, Lagrangian, non-isothermal rigid-viscoplastic finite element simulation.

Journal ArticleDOI
TL;DR: In this article, the state of the art and key technologies concerned with equipment, process control, simulation, etc. are explored in detail, and conclusions are drawn concerning possible future developments in hydroforming technology.

Journal ArticleDOI
TL;DR: Inconel 718 was machined with a triple PVD coated (TiCN/Al2O3/TiN) carbide tool at speeds up to 50mmin−1 using conventional and various high coolant pressures, up to 203bar as mentioned in this paper.

Journal ArticleDOI
TL;DR: In this article, the microstructures of the alloys have been studied through optical and scanning electron microscopy (SEM), and the fracture surfaces of the tensile test samples have been investigated through SEM-EDS.

Journal ArticleDOI
TL;DR: In this article, the state of the servo-controlled gap in real ED-machining was investigated and it was shown that the material removal reaction is grouped in an evaporation phase at start of ignition and later in the ejection of fused material by instantaneous boiling at the discharge spots.

Journal ArticleDOI
TL;DR: A literature survey on the use of dielectric fluids that provide an alternative to hydrocarbon oil is presented in this article, where water-based dielectrics may replace oil-based fluids in die sink applications.

Journal ArticleDOI
TL;DR: In this article, the authors present a review of laser surface hardening, outlining some of its benefits compared with conventional hardening techniques and a selective review of the experimental research carried out in this area is presented.

Journal ArticleDOI
TL;DR: The machining characteristics of SiC/6025 Al composite using rotary electro-discharge machining (EDM) with a tube electrode were investigated in this paper, where brass was used as the electrode material to evaluate the machinability.

Journal ArticleDOI
TL;DR: In this article, the use of the viscous pressure bulge (VPB) test for determination of flow stress under biaxial state of stress is discussed, which can be used for stamping operations.

Journal ArticleDOI
Mustafa Yurdakul1
TL;DR: AHP and ANP are applied in calculation of the contributions of machine tool alternatives to the manufacturing strategy of a manufacturing organization as mentioned in this paper, and Hierarchical decision structures are formed in the application of the AHP and AnP approaches.

Journal ArticleDOI
TL;DR: In this paper, the authors compared machining characteristics between dry electrical discharge machining, oil EDM milling, and oil die sinking EDM and found that dry EDM is most advantageous to three-dimensional milling of cemented carbide considering the total machining time and cost.

Journal ArticleDOI
TL;DR: In this paper, the authors proposed genetic programming to predict surface roughness in end-milling using two independent data sets obtained on the basis of measurement: training data set and testing data set.

Journal ArticleDOI
TL;DR: In this paper, the residual stresses were measured using the X-ray diffraction method in both speed and feed direction, and the results showed that it is possible to produce tailor-made residual stress levels by controlling tool geometry and cutting parameters.