FILTRATION OF ALUMINUM ALLOYS TO REDUCE OXIDE CONTENT.

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Abstract:

Several refractory and metallic media were tested for effectiveness in removing aluminum oxide from molten aluminum casting alloys. A technique was used by which a metal sample could be melted, filtered, and cast entirely in a nitrogen atmosphere. Eleven filter materials in granular form were evaluated for two commercial alloys, 195 and 356. The aluminum oxide content of each alloy was determined before and after filtering by chemical analysis, using a procedure previously developed. Single filter packs of carborundum, porous graphite, or nonporous graphite decreased the oxide content of 195 alloy magnesite, alundum, mullite, or porous graphite were most effective for alloy 356. Author

Author(s):
Miclot, R. B.
Author Organization(s):
ARMY WEAPONS COMMAND ROCK ISLAND ILL RESEARCH AND ENGINEERING DIV
Descriptive Note:
Technical rept.,
Pagination:
0026

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
RIA-67-1507
Project Number(s):
DA-1C014501B32A
Monitor Series:
67-1507
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*ALUMINUM ALLOYS, *OXIDES, CASTINGS, METALLURGY, REFRACTORY METAL ALLOYS, GRAPHITE, FLUID FILTERS, PURIFICATION, TABLES(DATA)
Field(s)/Group(s):
Metallurgy and Metallography
Keyword(s):
ALUMINUM ALLOY 195, ALUMINUM ALLOY 356
Report Date:
1967 Jun 01