Metals And Non Metals – Physical And Chemical Properties

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Metals And Non Metals – Physical And Chemical Properties

  1. 1. Mrs. Dostalik Science 10/29/2008
  2. 2. <ul><li>Scientists and Engineers </li></ul><ul><li>Materials in Everyday Life </li></ul><ul><li>Materials Companies in Beaver County </li></ul><ul><ul><li>Metalwerks </li></ul></ul><ul><ul><li>NF&M </li></ul></ul><ul><ul><li>Rome Metals </li></ul></ul><ul><ul><li>Allegheny Ludlum / Technologies </li></ul></ul><ul><ul><li>Nova Chemical / BASF </li></ul></ul><ul><ul><li>Zinc Corp </li></ul></ul>
  3. 3. Vacuum Induction Melter
  4. 4. <ul><li>Load Metal and Molds </li></ul><ul><li>Must know density! </li></ul><ul><li>Different melt temperatures </li></ul>
  5. 7. <ul><li>INDUCTION SKULL MELTER </li></ul><ul><li>Mainly Titanium and Zirconium </li></ul><ul><li>Uses water cooled copper for a melting container </li></ul>
  6. 12. proprietary CHARGE CALCULATION PROCEDURE confidential Alloy Name=   1058 procedure Heat number=     PC-627 Charge weight=   505.00 density 0.297 SET UP = 6 x 65, NO HT Element   C Cr Ni Fe Ti Mn Si Co Nb Mo Al   P Be S     Min   19.00 15.00     1.50   39.00   6.75               Max 0.15 21.00 16.00 bal   2.00 1.00 41.00   7.50     0.015 0.001 0.015     Aim % 0.04 20.10 15.50 15.28   1.98 0.10 40.00   7.00     100.00           weight 0.20 101.51 78.28 77.16 0.00 10.00 0.51 202.00 0.00 35.35 0.00 0.00         TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE weight Scrap 1 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 2 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 3 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Scrap 4 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 5 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 6 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 7 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 8 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 9 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 10 %                         0.00%     0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000   Scrap 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00   Balance virgin 504.50 0.202 101.505 78.275 77.164 ###### 9.999   202.000 0.000 35.350 0.000 0.000     0.040% 20.100% ###### ####### ###### 1.980% ##### 40.000% 0.000% 7.000% 0.000% 0.000% 0.000% Total= 504.50
  7. 15. <ul><li>Metals – Alloys – Organic Materials – Gasses </li></ul><ul><ul><li>Pass around metals </li></ul></ul><ul><ul><li>questions </li></ul></ul><ul><li>Melting Metals – Production of Polymers </li></ul><ul><li>Welding vs Glue </li></ul><ul><li>Why Vacuum? </li></ul><ul><li>Demonstration - Reactive Metals / Reactivity </li></ul><ul><li>Lab: Density – theoretical vs actual </li></ul><ul><li>Demonstration: LN2, sensitivity of materials to temperature </li></ul><ul><li>Demonstration – Shape Memory </li></ul><ul><li>Applications – Materials in Life / biomechanical engineering </li></ul>
  8. 16. <ul><li>Observe the materials as they come around. </li></ul><ul><ul><li>Weight vs size: what is this called? </li></ul></ul><ul><ul><li>Locate the element on the periodic table. Note the atomic weight, theoretical density </li></ul></ul><ul><ul><li>Melting points </li></ul></ul><ul><ul><li>Properties of Metals – crystals! </li></ul></ul><ul><ul><li>Polymers – Chains! </li></ul></ul><ul><ul><li>Properties of liquids / gasses – absolute chaos! </li></ul></ul><ul><ul><ul><li>Structure </li></ul></ul></ul><ul><ul><ul><li>Reactivity </li></ul></ul></ul><ul><ul><ul><li>Density </li></ul></ul></ul>
  9. 17. http://www.gordonengland.co.uk/conversion/density.htm
  10. 18. http://www.handymath.com/cgi-bin/density.cgi
  11. 20. <ul><li>Examples of Melt Points </li></ul><ul><li>Physical States at Room Temp. </li></ul><ul><li>Melting Points </li></ul><ul><li>W = 6,192F </li></ul><ul><li>Al = 1,220F </li></ul><ul><li>Re = 5,767F </li></ul><ul><li>Sn = 449F </li></ul><ul><li>Hg = -39F </li></ul>
  12. 21. <ul><li>Locate the melting points of some of the metals on the periodic table </li></ul><ul><ul><li>Tungsten, rhenium, tin, lead </li></ul></ul><ul><ul><li>Applications? </li></ul></ul><ul><ul><li>Density while melting </li></ul></ul><ul><ul><li>Metal gasses, sputtering </li></ul></ul><ul><ul><li>Polymeric reactions </li></ul></ul><ul><ul><ul><li>Popular polymers? </li></ul></ul></ul><ul><ul><ul><li>Strings of polymers </li></ul></ul></ul><ul><ul><ul><li>Carbon fiber </li></ul></ul></ul>
  13. 22. <ul><li>Welding is a specialized process where two sections of metal melted together </li></ul><ul><ul><li>Heat </li></ul></ul><ul><ul><li>Explosion </li></ul></ul><ul><ul><li>Diffusion </li></ul></ul><ul><ul><li>Friction </li></ul></ul><ul><li>Glue </li></ul><ul><ul><li>Reactive polymers </li></ul></ul><ul><ul><li>Strong bonds </li></ul></ul><ul><ul><li>Boeing 787, stealth fighter </li></ul></ul>
  14. 23. <ul><li>Absence of reactive gasses </li></ul><ul><li>Reduced contamination of metal </li></ul><ul><ul><li>“ regular” vacuum </li></ul></ul><ul><ul><li>Medium Vacuum </li></ul></ul><ul><ul><li>Deep vacuum </li></ul></ul><ul><li>Melting by Induction – Electromagnetic Field </li></ul><ul><li>Melting by Arc – Electrical / Plasma cloud </li></ul><ul><li>Melting by Electron Beam – Focused Beam of Electrons </li></ul>
  15. 24. <ul><li>Reaction </li></ul><ul><li>Uses </li></ul><ul><li>Titanium, not solid but in small particles </li></ul><ul><li>Surface area </li></ul><ul><li>Oxygen in atmosphere </li></ul><ul><li>Ti + 2O = TiO 2 </li></ul><ul><li>Exothermic </li></ul><ul><li>Ti Oxide </li></ul><ul><ul><li>Coloring – white </li></ul></ul><ul><ul><li>Toothpaste </li></ul></ul><ul><ul><li>Deodorant </li></ul></ul><ul><ul><li>Paint </li></ul></ul><ul><li>Jewelry </li></ul><ul><li>Anodized aluminum </li></ul>
  16. 25. <ul><li>Ductile to brittle transition </li></ul><ul><li>Demo – Liquid nitrogen </li></ul><ul><li>Video – forging </li></ul>
  17. 26. <ul><li>Nickel and Titanium alloy </li></ul><ul><li>“ stretches” like a polymer </li></ul><ul><li>Can be deformed and snap back to a shape because of the crystal structure </li></ul>
  18. 28. <ul><li>Skeletal repairs </li></ul><ul><li>Blood vessel strengthening </li></ul><ul><li>Artificial limbs </li></ul><ul><li>Mobility enhancements </li></ul>

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