Explosive welding of Ti--6Al--4V to mild-steel substrates

Journal Article · Fri Nov 01 04:00:00 EST 1985 · J. Vac. Sci. Technol., A; (United States)

DOI:https://doi.org/10.1116/1.572843· OSTI ID:6409131

Inal, O T; Szecket, A; Vigueras, D J; Pak, H

Ti--6Al--4V sheets were explosively welded to mild steel base plates with an attachment zone that approximates a straight, waveless interface devoid of vorticity and thus the attendant formation of the Fe--Ti intermetallics. The welded interface is seen to be harder than either of the bi-alloys joined and the attachment strength, measured in terms of shear stress required for fracture of the weld zone, is seen to be stronger than the weaker of the materials (mild steel) joined. Stress relief treatments given at 525 /sup 0/C is seen to induce ductility to the brittle interface without the introduction of recrystallization and/or the formation of Fe--Ti intermetallics at the weld zone. Approximate energy calculations indicate that explosively induced welds that comprise a nearly straight interface make efficient use of the detonation introduced energy, and thus the plastic straining of the alloys adjacent to the weld are minimal as confirmed by the microhardness and tensile test data obtained on the as-welded and stress relieved samples.

• Research Organization: Center for Explosives Technology Research and Metallurgical and Materials Engineering Department, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801
• OSTI ID: 6409131
• Journal Information: J. Vac. Sci. Technol., A; (United States), Journal Name: J. Vac. Sci. Technol., A; (United States) Vol. 3:6; ISSN JVTAD
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
ALUMINIUM ALLOYS
DETONATIONS
DUCTILITY
EXPLOSION WELDING
FABRICATION
HARDNESS
INTERFACES
IRON ALLOYS
IRON BASE ALLOYS
JOINING
MECHANICAL PROPERTIES
MICROHARDNESS
RECRYSTALLIZATION
STEELS
STRAINS
STRESSES
TENSILE PROPERTIES
TITANIUM ALLOYS
VANADIUM ALLOYS
VERY HIGH TEMPERATURE
WELDING