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Showing papers in "Journal of Materials Processing Technology in 2009"


Journal ArticleDOI
TL;DR: In this paper, the machinability of near-beta titanium alloys like Ti555.3 compared with the commonly used Ti6Al4V was analyzed and a correlation between the mechanical properties of work material, tool wear, and component forces was found.

473 citations


Journal ArticleDOI
TL;DR: In this paper, a review on the phenomenon of surface modification by electric discharge machining and future trends of its applications is presented, with particular emphasis on the potential of this process for surface modification.

432 citations


Journal ArticleDOI
TL;DR: In this article, minimum quantity lubrication (MQL) was provided with a spray of air and vegetable oil to reduce the cutting zone temperature enabling favorable chip formation and chip-tool interaction.

402 citations


Journal ArticleDOI
TL;DR: In this paper, the influence of cutting fluids on tool wear and surface roughness during turning of AISI 304 with carbide tool has been investigated and the results indicated that in general, coconut oil performed better than the other two cutting fluids in reducing the tool wear.

388 citations


Journal ArticleDOI
TL;DR: In this article, the effect of fly ash activation on the properties of the geopolymers cured at ambient temperature has been studied and after 28 days, compressive strength of the room temperature cured samples was 16 (2) and 45 (8) MPa for unmilled and mechanically activated fly ash based samples, respectively.

378 citations


Journal ArticleDOI
TL;DR: In this article, a new approach to model surface roughness in fused deposition modeling (FDM) is proposed, which is based on real-world FDM parts and a theoretical model is presented by considering the main factors that crucially affect surface quality.

357 citations


Journal ArticleDOI
TL;DR: In this paper, the effect of alumina particle size, sintering temperature and time on the properties of Al-Al 2 O 3 composite were investigated, including density, hardness, microstructure, yield strength, compressive strength and elongation to fracture.

345 citations


Journal ArticleDOI
TL;DR: In this paper, the deformation mechanism of incremental sheet forming (ISF) is examined experimentally through forming specially prepared copper sheets, and the authors measured the strain distributions through the thickness of the sheets are measured for two configurations of ISF: two-point incremental forming (TPIF) and single point incremental forming(SPIF).

330 citations


Journal ArticleDOI
TL;DR: In this article, the role of the laser parameters such as pulse energy and duration and peak power have been investigated to join 3-mm thick Ti6Al4V using the Lumonics JK760TR Nd:YAG pulsed laser.

329 citations


Journal ArticleDOI
TL;DR: In this paper, the authors investigated the optimization of CNC turning operation parameters for SKD11 (JIS) using the Grey relational analysis method and found the degree of influence for each controllable process factor onto individual quality targets.

321 citations


Journal ArticleDOI
TL;DR: In this article, three different processes have been applied to extract the natural hydroxyapatite: thermal decomposition, subcritical water and alkaline hydrothermal processes, and the results obtained by many physiochemical analyses have indicated that all the utilized methods have the ability to eliminate the organic compounds present in the bovine bones.

Journal ArticleDOI
TL;DR: In this article, a series of end milling experiments were conducted to comprehensively characterize surface integrity at various milling conditions, and the experimental results have shown that the milled surface shows the anisotropic nature with the range of surface roughness values from 0.6 to 1.0μm.

Journal ArticleDOI
TL;DR: In this paper, the surface roughness of Al-SiC (20 p) has been studied by turning the composite bars using coarse grade polycrystalline diamond (PCD) insert under different cutting conditions.

Journal ArticleDOI
TL;DR: In this paper, the authors compared welding of AISI 310 austenitic stainless steel to Inconel 657 nickel-chromium superalloy and showed that Inconels A showed the least susceptibility to hot cracking.

Journal ArticleDOI
TL;DR: In this paper, the authors present an overview of mechanisms that have been suggested to explain the enhanced formability of incremental sheet metal forming, including contact stress, bending under tension, shear, cyclic straining, geometrical inability to grow and hydrostatic stress.

Journal ArticleDOI
TL;DR: In this paper, the tensile shear strength of the A5052/SUS304 joint was investigated using transmission electron microscopy and the reaction layer formed at its interface was observed.

Journal ArticleDOI
Wei Wang1, Qingyu Shi1, Peng Liu1, Hong-ke Li1, Ting Li1 
TL;DR: In this paper, the feasibility to make bulk dispersal SiCp reinforced Al metal matrix composites (MMCs) was studied successfully and the distribution of well-dispersed siCp got a range of 5mm-×-2mm on the cross-section of joints.

Journal ArticleDOI
TL;DR: In this paper, a neural network approach is presented for the prediction and control of surface roughness in a computer numerically controlled (CNC) lathe, which is a type of back-propagation.

Journal ArticleDOI
TL;DR: In this article, the influence of major operating parameters on the performance of micro-EDM of tungsten carbide was investigated with focus in obtaining quality micro-holes in both transistor and RC-type generators.

Journal ArticleDOI
TL;DR: In this article, the performance of a CBN tool during hard turning of 100Cr6-tempered steel was investigated using a series of long-duration wear tests to elucidate the cutting speed effects on the various tool wear forms.

Journal ArticleDOI
TL;DR: In this paper, the impact of various machining parameters on surface roughness and kerf taper ratio (TR) of an abrasive water jet machined surfaces of glass/epoxy composite laminate were studied.

Journal ArticleDOI
TL;DR: In this paper, the performance of the electrodes for the finishing micro-EDM was evaluated based on the achieved surface roughness and surface characteristics with respect to material removal rate (MRR) and electrode wear ratio (EWR).

Journal ArticleDOI
TL;DR: In this article, the influence of titanium surface preparation, cathodic current density, copper sulphate and sulphuric acid concentrations, electrical charge density and stirring of the solution on the adhesion of the electrodeposits was studied using the Taguchi statistical method.

Journal ArticleDOI
TL;DR: In this paper, the SLM technique was used to directly fabricate hydroxyapatite (HA) and 316L stainless steel (SS) powders mixture with an objective to develop loadbearing and bioactive implants.

Journal ArticleDOI
TL;DR: In this article, a comprehensive overview of various flowing abrasive-based micro-nano-machining processes is presented and a generalized mechanism of material removal for these processes is proposed.

Journal ArticleDOI
TL;DR: In this article, a Digital Micromirror Device (DMD) was used for dynamic pattern generation and an ultraviolet (UV) lamp filtered at 365nm for crosslinking the photoreactive polymer solution.

Journal ArticleDOI
TL;DR: In this article, the authors examined factors affecting tool wear and a tool wear monitoring method using various sensors, such as accelerometers, force and acoustic emission sensors in micro-milling.

Journal ArticleDOI
TL;DR: In this paper, a bi-level structure integration procedure is chosen, in which the temperature dependent thermal conductivity, specific heat, and density are integrated at the outer level then used as material constants for the integration of the heat equation in the inner level.

Journal ArticleDOI
TL;DR: In this article, the authors aimed at optimizing the surface roughness of die sinking electric discharge machining (EDM) by considering the simultaneous affect of various input parameters such as peak current and voltage.

Journal ArticleDOI
TL;DR: In this article, the use of coal bottom ash (BA) from Tuncbilek Thermal Power Plant, Turkey, as an aggregate to produce aerated concrete has been examined.