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Title: Method of extruding and packaging a thin sample of reactive material, including forming the extrusion die

Abstract

This invention teaches a method of cutting a narrow slot in an extrusion die with an electrical discharge machine by first drilling spaced holes at the ends of where the slot will be, whereby the oil can flow through the holes and slot to flush the material eroded away as the slot is being cut. The invention further teaches a method of extruding a very thin ribbon of solid highly reactive material such as lithium or sodium through the die in an inert atmosphere of nitrogen, argon, or the like as in a glovebox. The invention further teaches a method of stamping out sample discs from the ribbon and of packaging each disc by sandwiching it between two aluminum sheets and cold welding the sheets together along an annular seam beyond the outer periphery of the disc. This provides a sample of high purity reactive material that can have a long shelf life.

Inventors:
;
Issue Date:
OSTI Identifier:
5087452
Application Number:
ON: DE82020844
Assignee:
Dept. of Energy ERA-07-059926; EDB-82-156965
DOE Contract Number:  
W-31-109-ENG-38
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 36 MATERIALS SCIENCE; DIES; MACHINING; LITHIUM; EXTRUSION; SODIUM; ALKALI METALS; ELEMENTS; FABRICATION; MATERIALS WORKING; METALS; 420200* - Engineering- Facilities, Equipment, & Techniques; 360101 - Metals & Alloys- Preparation & Fabrication

Citation Formats

Lewandowski, E.F., and Peterson, L.L. Method of extruding and packaging a thin sample of reactive material, including forming the extrusion die. United States: N. p., 1981. Web.
Lewandowski, E.F., & Peterson, L.L. Method of extruding and packaging a thin sample of reactive material, including forming the extrusion die. United States.
Lewandowski, E.F., and Peterson, L.L. Mon . "Method of extruding and packaging a thin sample of reactive material, including forming the extrusion die". United States.
@article{osti_5087452,
title = {Method of extruding and packaging a thin sample of reactive material, including forming the extrusion die},
author = {Lewandowski, E.F. and Peterson, L.L.},
abstractNote = {This invention teaches a method of cutting a narrow slot in an extrusion die with an electrical discharge machine by first drilling spaced holes at the ends of where the slot will be, whereby the oil can flow through the holes and slot to flush the material eroded away as the slot is being cut. The invention further teaches a method of extruding a very thin ribbon of solid highly reactive material such as lithium or sodium through the die in an inert atmosphere of nitrogen, argon, or the like as in a glovebox. The invention further teaches a method of stamping out sample discs from the ribbon and of packaging each disc by sandwiching it between two aluminum sheets and cold welding the sheets together along an annular seam beyond the outer periphery of the disc. This provides a sample of high purity reactive material that can have a long shelf life.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1981},
month = {11}
}