Design Engineer for Additively Manufactured Pressurized Aluminum Tank for Space Applications
hace 4 días
Santander
SPACE ROBOTICS WORKERS SEARCHING FOR: Design Engineer for Additively Manufactured Pressurized Aluminum Tank for Space Applications TASKS Develop a flight-representative design for a pressurized aluminum tank optimized for metal additive manufacturing and suitable for space applications. The scope includes design, analysis, manufacturability optimization and test planning. Provide end-to-end engineering support for a space-grade pressure vessel designed for additive manufacturing, including: • Review and refine system-level requirements, including:, • Operating pressure and proof/burst margins, • Fluid type (e.g. inert gas, propellant, cryogenic if applicable), • Temperature range, • Mission profile (cycles, duration, environment), • Interfaces (valves, mounting, feed lines), • Define applicable safety factors and failure criteria (NASA STD, ECSS, etc.), • Develop initial tank architectures, including:, • Geometry (cylindrical, spherical ends, domes), • Wall thickness and reinforcement strategy, • Integrated features (ports, flanges, bosses), • Characterization of the critical manufacturing parameters for the 3D printing like:, • Deposition rate (mm/s), • Velocity, • Thermal dissipation, • Trade-off analysis:, • Mass vs strength, • Manufacturability vs performance, • Conventional vs AM-specific geometries, • Optimize design for:, • Selected AM process (e.g. WAAM, DED, LPBF if applicable), • Build orientation and support minimization, • Residual stress mitigation, • Distortion control, • Define:, • Material (e.g. AlSi10Mg, 6061/5083 variants if feasible), • Heat treatment strategy, • Surface finishing requirements, • Perform detailed analyses:, • Pressure vessel stress analysis (static and dynamic simulations), • Fatigue life estimation (if cyclic loading), • Fracture mechanics assessment, • Thermal gradients and effects (if relevant), • Conduct:, • Failure Modes and Effects Analysis (FMEA), • Leak-before-burst assessment, • Identification of critical failure points (ports, weld-equivalents, layer interfaces), • Define manufacturing approach:, • Recommended AM technology (WAAM / DED / EBAM), • Build parameters (high-level), • Identify post-processing steps:, • Heat treatment, • Machining, • Non-destructive inspection (CT, ultrasound, dye penetrant), • Develop a test program including:, • Proof pressure test, • Burst test, • Leak testing (helium mass spec or equivalent), • Structural validation REQUIRED QUALIFICATIONS • Mechanical and/or Aerospace University degrees, • English language, • Proven experience (3-5 years) in:, • Aerospace or space hardware design, • Pressure vessels or propellant tanks, • Metal additive manufacturing (DfAM), • Availability to work on-site in Santander (Spain) or Torino (Italy) in a full-time capacity (no hybrid scheme)
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