Titanium threaded hollow rivets, as a new generation of high-end fastening solutions, combine the superior properties of titanium alloy materials with the dual advantages of precision hollow structure design. In the aerospace field, which pursues "kek care", this product not only achieves significant weight reduction effects, but also shows reliability far beyond traditional steel rivets in high-temperature, high corrosion and high fatigue load environments. This product is designed for aircraft fuselage, engine nacelles and spacecraft structural parts that have extreme requirements for structural efficiency and safety.
01
Precision inner cavity and stress dispersion structure
The hollow structure design optimized by finite element analysis not only effectively reduces the weight of a single piece, but also forms a reasonable stress conduction path inside the rivet. When subjected to shear and tensile loads, the design can evenly disperse the stress peak, significantly reduce the radial expansion and deformation of the rhodium nail rod under stress, thereby protecting the matrix integrity of the connected parts and improving the fatigue life of the joint under alternating load.
02
High-performance titanium alloy matrix
The products are made of high-quality aviation-grade titanium alloys such as Ti-6Al-4V (TC4) or Ti-3Al-2.5V. Titanium alloys are known for their low density (about 4.5g/cm³) and high specific strength (the strength/density ratio far exceeds that of steel and aluminum alloys), which can bring significant weight reduction benefits to aircraft while maintaining excellent mechanical properties.
03
High-strength thread and anti-loosening design
Compared with cutting processing, roll forming can retain the intact metal flow line of titanium alloy material, eliminate surface micro-cracks, and improve the tensile strength and fatigue resistance of the thread by more than 20%. Combined with precise thread tolerance design and optional high-temperature anti-loosening adhesive layer, it ensures that the rivets maintain a long-lasting fastening torque even in violent vibration environments, eliminating the risk of loosening.
04
Excellent corrosion and temperature resistance
The surface of titanium alloy will spontaneously form a dense and stable passivation oxide film in the atmosphere. Combined with the optional micro-arc oxidation or anodizing surface treatment process, the corrosion resistance of the product is further enhanced. The rivets maintain stable mechanical properties over a wide temperature range of -253°C (low temperature) to 400°C, and are not afraid of salt spray, moisture, and corrosion from various aviation fuel/hydraulic fluid media.
05.Optimized heat treatment process
To ensure the best overall mechanical properties, the products are heat treated in strict accordance with AMS (Aeronautical Materials Code) standards. Through precisely controlled solution and aging treatment, the ideal bimorphic structure or isoaxial structure is obtained, which eliminates the processing stress, so that the rivet has the necessary plasticity and toughness while maintaining high strength, and meets the strict requirements of the aviation riveting process for the ductility of the material.
Typical application fields
Civil and military aircraft: wing skin connections, fuselage frame structures, engine suspension devices, landing gear hatches.
Spacecraft and satellites: rocket body structure, fuel tank, satellite support and lightweight structural parts.
High-end industrial equipment: deep-sea submersible pressure-resistant shells, high-performance racing chassis, high-end medical equipment.
technical advantages
Significant weight reduction: Compared with stainless steel rivets of the same specification, the weight is reduced by about 40%.
High shear strength: Precise rod tolerances and heat treatment ensure high rigidity of the connecting joints.
High temperature resistance: No creep loosening in high temperature environment, ensuring long-term service safety.
Electrochemical compatibility: When used with carbon fiber composites (CFRP) and aluminum alloy structural parts, the potential difference is small, effectively avoiding galvanic corrosion, making it an ideal choice for composite structural connections.
Quality control
We understand the quality requirements of "zero defects" in the aerospace sector. Each batch of titanium threaded hollow rivets goes through:
100% non-destructive testing (ultrasonic or eddy current testing) ensures that there are no metallurgical defects inside.
Spectroscopic analysis verifies that the material composition meets the standard.
Tensile and shear performance tests verify the mechanical performance indexes.
For detailed specifications (covering size series, mechanical property data and installation torque parameters), please contact our engineering team.
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