2011
DOI: 10.1016/j.jmatprotec.2010.07.034
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A study on micro-hole machining of polycrystalline diamond by micro-electrical discharge machining

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Cited by 57 publications
(14 citation statements)
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“…It is the most desirable material in the world, although best known as the “hardest to machine” material, as any conventional material removal processes (MRPs) cannot be effective at the nanometer or micrometer scale with acceptable precision and accuracy when processing diamond crystals. Many MRPs have already been used to machine diamonds, which includes electrical discharge [ 122 , 123 ] and abrasive water jet machining [ 124 ], mechanical grinding [ 125 ], and laser processing [ 126 , 127 ]. Among these methods, laser processing technology has been widely used and is the most successfully used MRP by far [ 127 , 128 , 129 ], since the proper selection of wavelength, pulse duration, and power can lead to high-quality, tailored material surfaces and volume machining with precision down to a few nanometers [ 130 , 131 ].…”
Section: Femtosecond Laser Processing Anti-reflection Structuresmentioning
confidence: 99%
“…It is the most desirable material in the world, although best known as the “hardest to machine” material, as any conventional material removal processes (MRPs) cannot be effective at the nanometer or micrometer scale with acceptable precision and accuracy when processing diamond crystals. Many MRPs have already been used to machine diamonds, which includes electrical discharge [ 122 , 123 ] and abrasive water jet machining [ 124 ], mechanical grinding [ 125 ], and laser processing [ 126 , 127 ]. Among these methods, laser processing technology has been widely used and is the most successfully used MRP by far [ 127 , 128 , 129 ], since the proper selection of wavelength, pulse duration, and power can lead to high-quality, tailored material surfaces and volume machining with precision down to a few nanometers [ 130 , 131 ].…”
Section: Femtosecond Laser Processing Anti-reflection Structuresmentioning
confidence: 99%
“…It can be seen from equation ( 2) that the value of the capacitor used in the RC circuit has an important impact on the discharge energy, 69 which plays a significant role in the improvement of MRR. 70 Several approaches have been developed to improve machining efficiency based on the capacitance of the discharge circuit, for example, explosive electrical discharge grinding (IEEDG) 71,72 and active gap capacitance EDM (AGC-EDM), 73,74 whose equivalent circuit is shown in Figure 7. In the two methods, the capacitances involved in the EDM process were increased.…”
Section: Dominant Factors In Removing Materialsmentioning
confidence: 99%
“…It is the world's most desirable, albeit most notoriously known as 'hardest-to-machine' material, since there are no conventional material removal processes (MRPs) that are capable to effectively shape diamond crystals with an acceptable precision and accuracy at the nano-or micro-scale. A number of MRPs have been employed to process diamond including electrical discharge [16,17] and abrasive waterjet machining [18], mechanical grinding [19], and laser machining [20,21]. These methods utilise the ability of diamond's intrinsic sp 3 -hybridised bonds to become converted, through externally applied energetic processes, into much weaker, sp 2 -hybridised bonds (as in graphite) and, after their subsequent removal, impart a final shape to the product [15].…”
Section: Introductionmentioning
confidence: 99%