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Matthew Fox Week 2: January 25 th , 2007. Structures Group Material Selection / CAD Transfer Vehicle, Mars Crawler, Construction Crane, Ares V, ISPP. Material Selection. Traditional Spacecraft (S/C) Materials Al Alloys, Ti Alloys Current S/C Material Al-Li Alloys Future S/C Materials

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matthew fox week 2 january 25 th 2007

Matthew FoxWeek 2: January 25th, 2007

Structures Group

Material Selection / CAD

Transfer Vehicle, Mars Crawler,

Construction Crane, Ares V, ISPP

material selection
Material Selection
  • Traditional Spacecraft (S/C) Materials
    • Al Alloys, Ti Alloys
  • Current S/C Material
    • Al-Li Alloys
  • Future S/C Materials
    • Metal-Matrix

Composites (MMC)

    • Carbon Reinforced

Composites (CRFC)

material application pressure vessels
Material Application: Pressure Vessels
  • Pressure vessels include:
    • -Fuel Tanks, Habitat, Transfer Vehicle (Crew Compartment)

Al- Li Alloys currently used in External Tank

(Code partially generated

by Brandon Anderson)

Preliminary Analysis: Only considered internal pressure as design criteria, future results can result in larger values.

pressure vessel design
Pressure Vessel Design

Radius = 4 m

-Based on cargo dimension of Ares V

Length of Habitat / TV = 6 m

- Based on Project Legend

Length of Fuel Tank = 25 m

-Based on cargo dimension of Ares V

Fuel Tank

Habitat/ TV

pressure vessel equations
Pressure Vessel Equations

Longitudinal Stress

Hoop Stress

Von Mises Criterion

Solve for Min. Thickness

references
References
  • www.matweb.com
  • http://en.wikipedia.org/wiki/Space_Shuttle_external_tank
  • Rawal, Suraj. Metal-Matrix Composites for Space Applications. JOM 53(4) (2001). Pp.14-17
  • http://www.answers.com/topic/space-shuttle-external-tank
  • Project Legend, Purdue University Spring 2005.
  • Koczak, Michael. Metal- Matrix Composites for Ground Vehicle, Aerospace, and Industrial Applications.
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