MOLYBDENUM ALLOY EXTRUSION DEVELOPMENT PROGRAM. Sixth Interim Technical Engineering Report, February 15, 1962-June 1, 1962
Technical Report
·
OSTI ID:4815823
Five full length T shape extrusions of TZM were made from 3200 deg F with a reduction ratio of about 19: 1. High liner pressure in excess of 200,000 psi at an initial stem speed of 100 inches per minute was required to accomplish the extrusions within reasonable run-out of dimensions. One full length extrusion was within size requirements. Surface quality of full length extrusions was fair being characterized by localized glass or die coating rub-in and striations. The extrusions were accomplished with zirconia coated dies applied by Source D using the oxyacetylene flame-spray process with solid-rod feed. Die performance was improved by more careful application of the coating followed by a thorough inspection with suitable gages. (auth)
- Research Organization:
- Allegheny Ludlum Steel Corp. Research Center, Brackenridge, Penna.
- NSA Number:
- NSA-16-025729
- OSTI ID:
- 4815823
- Report Number(s):
- ASD-TR-7-785(VI)
- Country of Publication:
- United States
- Language:
- English
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