ARC MELTING SUPERALLOYS FOR EXTRUSION STUDIES.

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Abstract:

A comparative study was made of two consumable arc melting techniques for the production of super alloy ingots. One technique utilized a vacuum atmosphere and the other a partial pressure of argon. The argon atmosphere allowed a low arc current to be maintained for hot topping while the vacuum atmosphere would not support a stable low current arc. Greater ingot yields were therefore recovered with the argon technique because a smaller shrinkage cavity was produced. Chemical analyses and tensile data of the two techniques were similar. Both ingot types showed good extrudability. Author

Author(s):
Inouye, Shingo ; Saul, George
Author Organization(s):
AIR FORCE MATERIALS LAB WRIGHT-PATTERSON AFB OH
Descriptive Note:
Summary rept. Apr 65-Jun 66,
Supplementary Note:
Presented at the Annual Conference (9th), on Vacuum Metallurgy 27-29 June 1966, New York.
Pagination:
0024

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
AFML-TR-66-278
Task Number(s):
735101
Project Number(s):
AF-7351
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*NICKEL ALLOYS), (*CONSUMABLE ELECTRODE PROCESS, (*COBALT ALLOYS, CONSUMABLE ELECTRODE PROCESS), CASTINGS, VACUUM, ARGON, EXTRUSION, MICROSTRUCTURE, TENSILE PROPERTIES, IMPACT TESTS
Field(s)/Group(s):
Properties of Metals and Alloys, Fabrication Metallurgy
Keyword(s):
NICKEL ALLOY HASTELLOY, NICKEL ALLOY RENE 41, SUPER ALLOYS
Report Date:
1966 Nov 01