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Cutting-Edge Metallic Glass: Revolutionary Material for Diverse Applications

Discover the non-crystalline, amorphous structure of metallic glass with high strength and elastic limit. Used in various industries, this material boasts no dislocations or grain boundaries, making it ideal for applications like golf clubs, car bumpers, and artificial joints. Learn about its discovery in the 1960s and its production challenges due to high costs. Witness the impressive properties of metallic glass as hot sparks fly when fractured. Explore references for more information on this groundbreaking material.

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Cutting-Edge Metallic Glass: Revolutionary Material for Diverse Applications

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  1. Material Science By:Juan Carlos Uribe

  2. ΔT = 1,000,000 °C / s

  3. Non-crystalline, amorphous structure • No dislocations • No grain boundaries • High elastic limit • High strength

  4. Metals used: Zirconium Beryllium Titanium Copper Nickel Discovered (1960’s) California Institute of Technology William L. Johnson Atakan Peker

  5. Golf clubs • Fishing rods • Car bumpers • Aircraft skins • Artificial joints • Dies • Cutting tools • Others

  6. Small dimensions (due to cooling) • Raw materials expensive • Approx. from $500 per pound • Production expensive

  7. HOT SPARKS FLY FROM A NOTCHED SAMPLE OF BULK METALLIC GLASS FRACTURED BY A BLOW FROM A PENDULUM FRACTURED SURFACE SHOWS EVIDENCE OF LOCAL MELTING

  8. REFERENCES • http://www.lbl.gov/Science-Articles/Archives/spaparking-metallic-glass.html • http://www.mat.ethz.ch/about_us/material_world/success... • http://www.eurekalert.org/pub_releases/1998-03/ • http://science.nasa.gov/headlines/y2003/14apr_zeroglass.htm • http://www.eng.auburn.edu/~wfgale/intro_metals/section3pg2.htm

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