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nonconventional technologies --- electrical discharge machining --- electrochemical machining

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Micro electrical discharge machining (micro-EDM) is a thermo-electric and contactless process most suited for micro-manufacturing and high-precision machining, especially when difficult-to-cut materials, such as super alloys, composites, and electro conductive ceramics, are processed. Many industrial domains exploit this technology to fabricate highly demanding components, such as high-aspect-ratio micro holes for fuel injectors, high-precision molds, and biomedical parts.Moreover, the continuous trend towards miniaturization and high precision functional components boosted the development of control strategies and optimization methodologies specifically suited to address the challenges in micro- and nano-scale fabrication.This Special Issue showcases 12 research papers and a review article focusing on novel methodological developments on several aspects of micro electrical discharge machining: machinability studies of hard materials (TiNi shape memory alloys, Si3N4–TiN ceramic composite, ZrB2-based ceramics reinforced with SiC fibers and whiskers, tungsten-cemented carbide, Ti-6Al-4V alloy, duplex stainless steel, and cubic boron nitride), process optimization adopting different dielectrics or electrodes, characterization of mechanical performance of processed surface, process analysis, and optimization via discharge pulse-type discrimination, hybrid processes, fabrication of molds for inflatable soft microactuators, and implementation of low-cost desktop micro-EDM system.

Technology: general issues --- electrodischarge micromachining --- drilling --- cubic boron nitride --- foil queue microelectrode --- micro-EDM --- step effect --- tapered structure --- wire electrical discharge grinding (WEDG) --- micromoulding --- soft microrobotics --- electrical discharge machining (EDM) --- Tungsten cemented carbide (WC-Co) --- desktop micro-electrical discharge machining (micro-EDM) system --- cut-side micro-tool --- micro-holes --- EDM --- SR --- TWR --- PMEDM --- MRR --- electro-discharge treatment --- Ti-6Al-4V --- MWCNTs --- surface characterization --- wear resistance --- corrosion resistance --- composite 3D microelectrode --- diffusion bonding --- step --- 3D microstructure --- material processing --- DSS-2205 alloy --- electric-discharge machining --- surface integrity --- surface wettability --- ceramic composite --- micro-EDM milling --- pulse discrimination --- Micro-electro-discharge machining (μEDM) --- liquid-metal electrode --- Galinstan --- Zirconium Boride --- silicon carbide fibers --- silicon carbide whiskers --- advanced material --- TiNi shape memory alloy --- TiC powder --- surface modification --- microhardness --- electrochemical discharge machining --- laser machining --- glass --- micro-groove --- n/a

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Micro electrical discharge machining (micro-EDM) is a thermo-electric and contactless process most suited for micro-manufacturing and high-precision machining, especially when difficult-to-cut materials, such as super alloys, composites, and electro conductive ceramics, are processed. Many industrial domains exploit this technology to fabricate highly demanding components, such as high-aspect-ratio micro holes for fuel injectors, high-precision molds, and biomedical parts.Moreover, the continuous trend towards miniaturization and high precision functional components boosted the development of control strategies and optimization methodologies specifically suited to address the challenges in micro- and nano-scale fabrication.This Special Issue showcases 12 research papers and a review article focusing on novel methodological developments on several aspects of micro electrical discharge machining: machinability studies of hard materials (TiNi shape memory alloys, Si3N4–TiN ceramic composite, ZrB2-based ceramics reinforced with SiC fibers and whiskers, tungsten-cemented carbide, Ti-6Al-4V alloy, duplex stainless steel, and cubic boron nitride), process optimization adopting different dielectrics or electrodes, characterization of mechanical performance of processed surface, process analysis, and optimization via discharge pulse-type discrimination, hybrid processes, fabrication of molds for inflatable soft microactuators, and implementation of low-cost desktop micro-EDM system.

Technology: general issues --- electrodischarge micromachining --- drilling --- cubic boron nitride --- foil queue microelectrode --- micro-EDM --- step effect --- tapered structure --- wire electrical discharge grinding (WEDG) --- micromoulding --- soft microrobotics --- electrical discharge machining (EDM) --- Tungsten cemented carbide (WC-Co) --- desktop micro-electrical discharge machining (micro-EDM) system --- cut-side micro-tool --- micro-holes --- EDM --- SR --- TWR --- PMEDM --- MRR --- electro-discharge treatment --- Ti-6Al-4V --- MWCNTs --- surface characterization --- wear resistance --- corrosion resistance --- composite 3D microelectrode --- diffusion bonding --- step --- 3D microstructure --- material processing --- DSS-2205 alloy --- electric-discharge machining --- surface integrity --- surface wettability --- ceramic composite --- micro-EDM milling --- pulse discrimination --- Micro-electro-discharge machining (μEDM) --- liquid-metal electrode --- Galinstan --- Zirconium Boride --- silicon carbide fibers --- silicon carbide whiskers --- advanced material --- TiNi shape memory alloy --- TiC powder --- surface modification --- microhardness --- electrochemical discharge machining --- laser machining --- glass --- micro-groove --- electrodischarge micromachining --- drilling --- cubic boron nitride --- foil queue microelectrode --- micro-EDM --- step effect --- tapered structure --- wire electrical discharge grinding (WEDG) --- micromoulding --- soft microrobotics --- electrical discharge machining (EDM) --- Tungsten cemented carbide (WC-Co) --- desktop micro-electrical discharge machining (micro-EDM) system --- cut-side micro-tool --- micro-holes --- EDM --- SR --- TWR --- PMEDM --- MRR --- electro-discharge treatment --- Ti-6Al-4V --- MWCNTs --- surface characterization --- wear resistance --- corrosion resistance --- composite 3D microelectrode --- diffusion bonding --- step --- 3D microstructure --- material processing --- DSS-2205 alloy --- electric-discharge machining --- surface integrity --- surface wettability --- ceramic composite --- micro-EDM milling --- pulse discrimination --- Micro-electro-discharge machining (μEDM) --- liquid-metal electrode --- Galinstan --- Zirconium Boride --- silicon carbide fibers --- silicon carbide whiskers --- advanced material --- TiNi shape memory alloy --- TiC powder --- surface modification --- microhardness --- electrochemical discharge machining --- laser machining --- glass --- micro-groove

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The work included in this book pertains to advanced abrasive and nonconventional machining processes. These processes are at the forefront of modern technology, with significant practical significance. Their importance is also made clear by the case studies that are included in the research that is presented in the book, pertaining to important materials and high-end applications. However, the particularities of these manufacturing processes need to be further investigated and the processes themselves need to be optimized. This is conducted in the presented works with significant experimental and modeling work, incorporating modern tools of analysis and measurements.

electrical discharge machining --- surface roughness --- white layer formation --- heat affected zone --- ANOVA --- aluminum alloy Al5052 --- wire EDM --- process parameters --- Inconel 617 super alloy --- DoE --- RSM method --- Box–Behnken design --- performance measures --- material removal rate --- abrasive machining --- single-sided lapping --- tool wear --- machine learning --- burnishing process --- fatigue strength --- ship propeller --- surface layer --- surface processing --- wavelet analysis --- decomposition of signals --- honing --- honing of holes --- kinematics of honing --- automation of honing --- abrasive grain trajectories --- FlexSim --- thermography --- abrasive brushing --- finishing --- fine machining --- grinding --- ceramics --- MgO-PSZ --- ZrO2 --- CNC turning --- rigidity --- surface texture --- profile parameters --- AISI 304 --- S355JR --- n/a --- Box-Behnken design

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Materials processing is the first, and a key, step in proper utilization of the composition of a given material and to realize the microstructural features that are intended to attain desired property levels for a given application. Both primary and secondary processing methods are equally important in tailoring the end properties of materials. In view of the crucial importance of the processing of materials, this Special Issue is intending to cover all innovative aspects of primary processing (solid phase, liquid phase, two phase, 3D printing, rapid solidification, etc.) and secondary processing (such as variations in extrusion, forging, rolling, equichannel angular extrusion, etc.) of materials (polymers/metal/ceramic-based, including their composites). Desirable attributes expected for submission will be processing–microstructure–property interrelations.

Materials science --- electrical discharge machining --- vibroacoustic emission --- adaptive control --- monitoring --- discharge gap --- erosion products --- silver nanoparticles --- mulberry leaves extract --- CO2-assisted polymer compression --- numbering-up --- high productivity --- CO2 --- polymer --- porous material --- process improvement --- 1D magnetic photonic crystals --- multilayer film modeling --- modeling of Faraday rotation spectra --- MPC optimization --- exhaustive computation --- materials characterization --- nanoceramics --- coatings --- auxiliary electrode --- electrical conductivity --- oxides --- nitrides --- carbon particles --- oil medium --- additive technologies --- additive manufacturing --- FFF --- 3D printing --- nylon --- cryogenic machining --- review --- liquid nitrogen --- liquid carbon dioxide --- thermomechanical processing --- bobbin friction stir welding --- atomic force microscopy --- AA6082-T6 aluminium alloy --- dynamic recrystallization --- precipitation --- macroscopic self-standing architectures --- Ni-doped MnO2 --- Co-doped MnO2 --- propane oxidation --- mechanical properties --- 3D-printing --- compensation --- accuracy --- precision --- adsorption --- hydrotalcite --- thiophene/dibenzothiophene --- n-pentane --- desulfurization --- structural ceramic --- oxide ceramic --- EDM --- ZrO2 --- Al2O3 --- electrode --- thin films --- white layer --- electro physics --- chemical reactions --- sublimation --- friction stir welding --- WC --- AA1100 aluminium plate --- weld contamination --- tunnel void --- kissing bond --- erosion --- tool wear --- ZnNix --- explosive deposition --- n/a