| Location: | Maryland |
|---|---|
| Posted: | Apr 22, 2025 |
| Due: | May 6, 2025 |
| Agency: | DEPT OF DEFENSE |
| Type of Government: | Federal |
| Category: |
|
| Solicitation No: | FA9101-25-Q-Burst_Diaphragm |
| Publication URL: | To access bid details, please log in. |
APEX Accelerators are an official government contracting resource for small businesses. Find your local APEX Accelerator (opens in new window) for free government expertise related to contract opportunities.
APEX Accelerators are funded in part through a cooperative agreement with the Department of Defense.
The APEX Accelerators program was formerly known as the Procurement Technical Assistance Program (opens in new window) (PTAP).
Hypervelocity Wind Tunnel No. 9 (Tunnel 9) is located in White Oak, Maryland and is part of United States Air Force Arnold Engineering Development Complex (AEDC). It is a unique world-class ground-test facility with a blowdown capability that uses gaseous nitrogen as the working fluid and operates at Mach numbers of 7, 8, 10, 14, and 18. Tunnel 9 provides critical aerodynamic test and evaluation (T&E) data necessary for vehicle development. Tunnel 9 is used for hypersonic ground testing and the validation of computational fluid dynamics (CFD) simulations.
The burst diaphragms are critical components to testing operations and are a consumable (two diaphragms per run). A sufficient inventory is critical to continuing operation of the Tunnel and support testing operations.
Atch 1 and Atch 2 contains engineering drawings describing the burst diaphragms (Drawing # 77-1088 and 80-1126). The current burst diaphragms are made from Stainless Steel Type 304 Annealed Plate/Sheet (ASTM A666), Tantalum Alloy (Ta-10W) Annealed Plate/Sheet (ASTM B708), and Niobium-Hafnium Alloy (C-103) Annealed Plate/Sheet (ASTM B654).

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