Episode 197: DATA RELAY--Composite Materials

  1. This week in SF history

  2. Spaceflight news

  3. Short & Sweet

  4. Questions, comments, corrections

  5. Data Relay: Composite Materials

    • Thank you to Ben Crews for researching and presenting this topic.

    • Humans have been using composites for thousands of years! (mar-bal.com)

    • Proof that wood is a composite (youtube.com)

    • Spray-on insulation is a composite. (PDF: ulalaunch.com)

    • Markings on parts like “>PP-GF15<” indicate a “glass filler,” thus making them a composite. (PDF: bombardier.com)

    • Practical Engineering on Youtube is doing a great series on concrete. (youtube.com)

    • Study on hybrid composites (journals.sagepub.com)

    • Composites can form efficient monocoque structures. (wikipedia.org)

    • Real Engineering’s video on Carbon Fiber (youtube.com)

    • Space Ship 2 is entirely Carbon Fiber (cnn.com) (popsci.com)

    • The Space Shuttle Orbiter had some sandwich panels with aluminum honeycomb core and carbon-fiber facesheets. (nasa.gov) (nasa.gov)

      • Composites reduced the thrust structure weight by 21% (PDF: (nasa.gov)

    • 787 Dreamliner used 50% (by weight) compsits. (boeing.com)

    • Orion CCM, Falcon 9 Payload fairing, Dragon heat shield are all composites (space.stackexchange.com)

    • Thin and thick laminates must be analyzed differently (wikipedia.org).

    • “Corrugated cardboard” composites (core.ac.uk)

    • Machining sandwich board cores can result in complex structures, proposed for use in atmospheric reentry (PDF: pdfs.semanticscholar.org)

    • Ceramic Matrix Composites were used in the Shuttle TPS (wikipedia.org) (PDF: nasa.gov)

    • Carbon/carbon can provide lighter and much stronger alternatives to smaller metallic machinings. (fibermaterialsinc.com)

    • CMCs are currently being researched to replace components in engine compartments and high-temp environments. (aerodefensetech.com)

    • Metallic Matrix Composites (MMC) (wikipedia.org)

    • This is so cool! You’re so cool! Where can I learn more?

      • Robert M. Jones (1999) Mechanics of Composites

      • Strong (2008) Fundamentals of Composites Manufacturing

      • Kollar, Springer (2009) Mechanics of Composite Structures

      • Stress analysis example (notebooks.azure.com)

      • Composites Wiki Page (wikipedia.org)

      • NASA 360 (youtube.com)

A washed-up Falcon 9 fairing shows off its sandwich board construction.  More photos here .

A washed-up Falcon 9 fairing shows off its sandwich board construction. More photos here.

An example of a plastic type imprint

An example of a plastic type imprint

A diagram of a composite layup mold

A diagram of a composite layup mold