Multi-Material Firearm Suppressor for Heat and Wear Resistance
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Solution Overview
Problem
Conventional firearm suppressors face challenges in durability, weight, and ease of assembly due to the use of materials like titanium, which lacks abrasion resistance and tensile strength at elevated temperatures, and the difficulty in welding dissimilar materials such as titanium and steel.
Innovation Solution
A firearm suppressor design comprising components of multiple materials, including titanium, aluminum, resins, polymers, composites, and ceramics for non-parallel surfaces, and cobalt, nickel alloy, steel, or stainless steel for parallel surfaces, with threaded connections and welds to enhance durability and prevent unthreading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If titanium is used for suppressor components, then weight is reduced, but abrasion resistance and tensile strength at elevated temperatures deteriorate
Solution Approach 1:
The suppressor employs different materials for different components based on their functional requirements: titanium for the housing and mount where weight is critical, and steel for the core and baffles where abrasion resistance and high-temperature strength are critical. This local differentiation resolves the contradiction by optimizing material properties specifically where needed.
Solution Approach 2:
The suppressor is constructed as a composite assembly combining titanium components (housing, mount) with steel components (core, baffles). This composite approach allows the system to simultaneously achieve the weight benefits of titanium and the strength benefits of steel, resolving the material property contradiction.
2Reliability
If dissimilar materials (titanium and steel) are welded together, then structural integrity is improved, but manufacturing complexity increases
Solution Approach 1:
The suppressor is divided into distinct titanium and steel components that are assembled through threading rather than welding. The core, baffles, and cap are steel components threaded into the titanium housing and mount. This segmentation avoids the manufacturing complexity of welding dissimilar materials while maintaining structural integrity through precise threading and interference fits.
3Duration of action of stationary object
If baffle wear resistance is improved, then suppressor lifetime is extended, but weight increases due to harder materials
Solution Approach 1:
Steel material is specifically applied to the core and baffles where abrasion resistance is needed to extend suppressor lifetime, while titanium is used for the housing and mount where weight reduction is the priority. This local material differentiation resolves the contradiction between durability and weight.
Data Source
AI summary
A firearm suppressor is provided, including a tubular core, a baffle carried within the core, and a tubular mount. The core may be attached end-to-end to the mount. A cap may be attached end-to-end to the core opposite the mount. An intermediate member may be included, extending between the mount and the cap, and residing outboard of the core. The intermediate member may be welded to the mount and to the cap. The mount, the cap, and the intermediate member may be composed of one or more of titanium, aluminum, resins, polymers, composites, carbon fiber, and ceramics, whereas the core and the baffle may be composed of one or more of cobalt, nickel alloy, steel, stainless steel, and cobalt alloy.