Process for obtaining ultra-high modulus products

Details Process for obtaining ultra-high modulus products Process for obtaining ultra-high modulus products

1987-01-22

1989-04-11

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With reshaping or surface embossing of formed article

264120, 264146, 264280, 264294, 264323, 419 3, 419 69, 4253823, B29C 5904

Patent

active

048204668

ABSTRACT:
Method and apparatus for producing high modulus products. A polymer morphology or powdered metal is solid-state deformed under pressure through the rollers of an extrusion rolling die, at a temperature near but below its crystalline melting point, while controlling the extrusion rate and the rate of rotation of the rollers so that the rate of extrusion of the polymer or metal is substantially the same as the rate of rotation of the rolling die surface.

REFERENCES:
patent: 2476830 (1949-07-01), Spencer
patent: 2904829 (1959-09-01), Heck
patent: 2994917 (1961-08-01), Fritsch
patent: 3083410 (1963-04-01), McGlamery
patent: 3123656 (1964-03-01), Rochlin
patent: 3389993 (1968-06-01), Lund et al.
patent: 3546769 (1970-12-01), Schwope et al.
patent: 4085187 (1978-04-01), Jenks et al.
patent: 4138453 (1979-02-01), Segl
patent: 4436682 (1984-03-01), Knopp
Knopp, "Principles and Variables Involved in Roll Compacting of Powders", Progress in Powder Metallurgy 1981, vol. 37, pp. 321-327.
"Production of Thin Metal Strip by Powder Rolling", by David H. Ro and Milton W. Toaz; National SAMPE Meeting Proceeding of Apr. 12-14, 1983; (Society for the Advancement of Materials and Process Engineering).

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