Name: Date: Gavilan College AMT 110 Aircraft Materials, Processes and Hardware Worksheet #1 Points: 20 1. What do you get when you add carbon to iron? 2. All metal which have elements other than iron as their base are? 3. Liquid cooling of molten metal is referred to as? 4. What process reduces the brittleness imparted by hardening steel? 5. What process produces fine grain, soft, ductile steel without internal stresses and strains? 6. What process is the opposite of hardening steel? 7. What process removes the internal stresses set up by heat treating, welding, casting, forming or machining steel? 8. What general process is used to produce a hard ware-resistant surface? 9. What form of casehardening uses carbon? 10. What form of casehardening provides minimum of distortions? 11. What is the trade name for adding a thin layer of protective pure aluminum to sheets of aluminum? 12. What processing error can cause intergranular corrosion in aluminum? 13. What hardness test measures the penetration diameter? 14. What hardness test measures the penetration depth? 15. Forming a product by hammering or pressing is called? 16. Forming by melting metal and pouring it into a mold of the desired shape is called? 17. Forcing metal through an opening in a die to produce a shape is called? 18. The process of strain hardening metal is called? The two forms of cold working most used in aviations are: 19. 20. Page 1 of 1