Spray forming system for producing molds, dies and related tooli

Details Spray forming system for producing molds, dies and related tooli Spray forming system for producing molds, dies and related tooli

1998-02-13

2000-06-13

Pyon, Harold

Plastic article or earthenware shaping or treating: apparatus

Forming surface and means feeding fluent stock thereto

164 19, 164 20, 164 21, 264309, 425130, 425375, 425470, B29C 4108

Patent

active

060741945

ABSTRACT:
A system for the spray forming manufacturing of near-net-shape molds, dies and related toolings, wherein liquid material such as molten metal, metallic alloys, or polymers are atomized into fine droplets by a high temperature, high velocity gas and deposited onto a pattern. Quenching of the atomized droplets provides a heat sink, thereby allowing undercooled and partially solidified droplets to be formed in-flight. Composites can be formed by combining the atomized droplets with solid particles such as powders, whiskers or fibers.

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Watson et al., "Nozzle-Aspirated Metal Forming", paper presented at the International Symposium of Casting of Near Net Shape Products, sponsored by the Metallurgical Society, Honolulu, EG&G Idaho, Inc., Idaho Falls, ID., Nov. 1988.

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