Back to results
US 2019/0233919 A1Published application
Alloy coated edm wire
AssigneeGlobal Innovative Products, Inc.
InventorDANDRIDGE TOMALIN
Life of this patent
Estimating the term…
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.
Claims15
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;
- particles of beta phase brass interspersed within the gamma phase brass layer;
- and
- an oxide layer including zinc disposed over the gamma phase brass layer.
2 more elements
A method of forming an electrode wire for use in an electrical discharge machining apparatus including the steps of:
- coating a layer including zinc onto a metallic core to form a composite wire;
- and
- heat treating the composite wire in an enriched oxygen environment to form a layer of gamma phase brass over the core which includes particles of beta phase brass precipitated from the gamma phase layer;
- and
- drawing the composite wire down to a finish diameter.
2 more elements
Dependencies are inferred from the claim text.