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Electrical Discharge Surface Alloying of Ti and Fe Workpiece Materials Using Refractory Powder Compact Electrodes and Cu Wire by D.K. Aspinwall; R.C. Dewes; H.G. Lee; J. Simao; P.A. McKeown is a Engineering article available to read on EtoBox.

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The paper revlews the use o f metal p d e r s dlspersed In the dleledrlc nuld and refractory PM electrodes, t o Inltlate workplece surface modltlcatlon durlng EDM. Experlmental work detalls the erects of EDM parameters [up to 270 V) on the hardness / composltlon of the M l t e layer folloAng dle slnk machlnlng of AlSl H I 3 tool steel and roll texturlng of 2% Cr steel uslng partlally slntered PM electrodes. Slmllar data are presented follodng EDM scannlng and wlre cuttlng of standard TI alloy TI-6AMV and a y TIAI. Wlth AlSl H13, recast layers were 5 2 0 pm thlck and up to -1350 HKIUE. When machlnlng TL6AMV wlth WCICo electrodes, recast mlcrohardness w s 600-2900 HKD 025. Wlre cuttlng y TlAl generated porous alloyed layers up to 115 pm thlck wlth edenske cracks and no Increase In bulk hardness.

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Author

D.K. Aspinwall; R.C. Dewes; H.G. Lee; J. Simao; P.A. McKeown

Publisher

International Academy for Production Engineering; Elsevier ; Elsevier USA; Elsevier BV (ISSN 0007-8506)

Published

2003

Language

EN

Field

Engineering (Physical Sciences)