Rotary Swaged Rapid-Fire Gun Barrels
BATTELLE MEMORIAL INST COLUMBUS OH
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A program was undertaken to investigate the feasibility of forming 7. 62mm rifled gun barrels from three high-temperature alloys and a stainless steel by swaging. The high-temperature superalloys selected for evaluation were Inconel 718, Udimet 700, and Crucible CG-27, whereas the stainless steel was Armco 21-6-9. Gun barrel blanks of each alloy were prepared by gun drilling. Twenty-two rifled 7.62mm gun barrel blanks of the four selected materials were formed by swaging without any insolvable problems.
- Fabrication Metallurgy