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US 11,091,820 B2Granted
Alloy coated EDM wire
AssigneeThermocompact
InventorDandridge Tomalin
Life of this patent
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Abstract
An electrode wire for use in an electrical discharge machining apparatus includes a metallic core and a layer of gamma phase brass disposed over the metallic core. Particles of beta phase brass are interspersed within the gamma phase brass layer. An oxide layer including zinc is disposed over the gamma phase brass layer.
Claims8
An electrode wire for use in an electrical discharge machining apparatus, comprising:
- a metallic core;
- a layer of gamma phase brass disposed over the metallic core;
- a layer of beta phase brass between the core and the gamma phase brass layer;
- particles of beta phase brass separate from the layer of beta phase brass and interspersed within the gamma phase brass layer;
- and an oxide layer including zinc disposed over the gamma phase brass layer.
2 more elements
Dependencies are inferred from the claim text.