1. Design Materials What you see - What you get

2. Design materials Function is supreme –Perform to requirements –Durability – life span –Product life cycle

3. Material Properties Physical Mechanical Chemical Acoustical Optical Thermal

4. Physical Properties Characteristics free from external influence –Melting point –Density –Moisture content –Porosity –Texture –Phase –Hardness –Odor

5. Mechanical Properties Tensile Compression Torsion Shear Plasticity Yield Hardness Ductility

6. Chemical Properties Corrosion Resistance Acid/Alkali resistance UV tolerance Human poison

7. Acoustical Sound attenuation Reflection

8. Acoustical Architectural considerations

9. Thermal Effects of Temperature Insulation Conductivity

10. Optical Reactions to light Color Transparency Tones Shades

11. Metals Ferrous Nonferrous

12. Steel Iron and Carbon Wrought Stainless

13. Copper Alloys Copper Bronze Brass

14. Aluminum

15. The Rest Zinc Magnesium Titanium Monel Refractory –Molybdenum –Tantalum –Tungsten

16. Plastics Coal, Tar, Petroleum, Milk, Wood, Soy

17. Plastics Thermosetting Thermoplastic

18. Woods

19. Basic Types Hardwood –Stronger –Bold grain patterns –Toughness Softwood –Easy to machine –Less expensive –Provide contrast –Manmade products

20. Ceramics Non metallic Inorganic High temperatures to manufacture Plastic before firing Good tensile strength High compressive strength Chemically resistant High dielectric properties