Engineering Materials

1234567891011121314151617181920212223242526272829303132
Across
  1. 4. material group consisting of iron based metals (7)
  2. 6. natural material used in the building industry (4)
  3. 7. process of degrading materials back to raw or natural state (9)
  4. 9. resists the flow of current and heat (10,8)
  5. 12. flat material under 3mm thick (5)
  6. 13. plastic used for window frames (3)
  7. 14. breaks suddenly without much distortion (11)
  8. 15. material made from loayers of carbon weave and resin (6,5)
  9. 18. plastic material that can be heated and reshaped (13)
  10. 23. process of machining square shapes (7)
  11. 24. material with a low carbon content (4,4)
  12. 25. cutting material using current and brass wire (4,7)
  13. 26. ability to withstand heavy loading (8)
  14. 28. returns to original shape after loading (10)
  15. 30. flat material over 3mm thick (5)
  16. 31. excellent conductor used for electrical wires (6)
  17. 32. top coat of material to prevent corrosion, brushed or sprayed (5)
Down
  1. 1. de-gassed coal used in blast furnaces (4)
  2. 2. gold coloured copper zinc alloy (5)
  3. 3. material group commonly used to make cups and plates (7)
  4. 5. resists repeated bending or shock loading (9)
  5. 7. material made up of two or more materials bonded together like glass fibre (9)
  6. 8. removing material by hand using serrated tool (6)
  7. 9. ability to be drawn out like a wire (9)
  8. 10. nonmagnetic material with a low iron content (9,5)
  9. 11. plastic material that will not soften when heated (13)
  10. 16. material with a melting point of 659C (9)
  11. 17. process of hammering material into shape (7)
  12. 19. ability to be hammered into shape (12)
  13. 20. maintains new shape after loading (10)
  14. 21. allows the flow of current and heat (12)
  15. 22. resists scratching and denting (8)
  16. 27. process of machining round shapes (7)
  17. 29. steel material formed into 90degree shape (5,4)