Aerospace & Defense

🛬 Landing Gear Structural Components

Large-section forged struts, links, and beams with complex internal bores, trunnion pins, and lug attachments

Design Principles

Material: Ti-1023 (Ti-10V-2Fe-3Al) is the premier landing gear titanium alloy, offering tensile strength >1100MPa with fracture toughness >50MPa.m0.5 — directly replacing 300M steel at 40% weight saving.

Form: Large closed-die forging is mandatory to achieve the required grain flow orientation along principal stress axes. No alternative forming method achieves the needed mechanical properties.

Engineering Trends

  • Process: Closed-die forging
  • Process: Solution treatment + aging
  • Process: CNC machining of bores and attachment holes

Standards Reference

Standards: AMS 4984 / AMS 4986 Ti-1023, STA condition, 100% UT Class A + mechanical test per lot

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