COLUMBIUM $sub 4$$H$$sub 4$ SECTION PROGRAM. PHASE I. EXTRUSION. PHASE II. DRAWLING. Interim Report II, October 1, 1963-January 1, 1964
Technical Report
·
OSTI ID:4115075
The development of the extrusion process for D-43 (Nb-10W-1Zr--0.1C) and Cb--752 (Nb--10W--2.5Zr) H'' sections continued. H'' extrusions (0.125 to 0.060 in. section thickness) showed reduced contamination and improved straightness, but surfaces and uniformity of section thickness were unsatisfactory. Extrusions were also drawn from section thickness of 0.188 in. at room temperature with reductions of 5 to 18% per pass. Total reductions up to 28% were made on short lengths without intermediate annealing. (auth)
- Research Organization:
- Du Pont de Nemours (E.I.); Co. Metals Center, Baltimore
- NSA Number:
- NSA-18-012595
- OSTI ID:
- 4115075
- Report Number(s):
- AD-429144
- Country of Publication:
- United States
- Language:
- English
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