Cold Spray Repair, Restoration, and Re-Introduction of Decommissioned Long-Range Precision Fire Gun Barrels

With a renewed focus on long range precision fire weapons for the US Army, supply chain logistics, manufacturing capacity, and cannon readiness become pivotal factors in our nation's defense. With higher energy propellants continually decreasing the life of cannon tubes, the ability to repair & restore these tubes to working order will enable the US to maintain a strong supply without a significant inventory of tubes. This repair and restoration will be demonstrated in the Phase 1 through the use of cold spray as a repair technique. Prototype coupons of a simulated gun barrel material will be artificially damaged, repaired, restored, and tested to validate the improved or renewed mechanical performance of the repaired section as compared to undamaged steel components. A Phase 1 Option will perform the same repair on actual damaged gun barrel rings with a live fire on a fully restored tube completed by the end of Phase 2.