PHYSICAL PROPERTIES OF MATERIALS

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Melting Characteristics for Elements Melting point T m of a pure element = temperature at which it transforms from solid to liquid state •The reverse transformation occurs at the same temperature and is called the freezing point Heat of fusion = heat energy required at T m to accomplish transformation from solid to liquid ©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Melting of Metal Alloys •Unlike pure metals, most alloys do not have a single melting point •Instead, melting begins at a temperature called the solidus and continues as temperature increases until converting completely to liquid at a temperature called the liquidus Between the two temperatures, the alloy is a mixture of solid and molten metals Exception: eutectic alloys melt (and freeze) at a single temperature ©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Page 1 and 2: PHYSICAL PROPERTIES OF MATERIALS
Page 3 and 4: Physical Properties in Manufacturin
Page 5 and 6: Density Defined Weight per unit vol
Page 7 and 8: Thermal Expansion •Density of a m
Page 9: Thermal Expansion in Manufacturing
Page 13 and 14: Figure 4.1 - Changes in volume per
Page 15 and 16: Thermal Properties •Thermal expan
Page 17 and 18: Volumetric Specific Heat The quanti
Page 19 and 20: Thermal Diffusivity The ratio of th
Page 21 and 22: Mass Diffusion Movement of atoms or
Page 23 and 24: Mass Diffusion in Manufacturing •
Page 25 and 26: Electrical Properties •Movement o
Page 27 and 28: Resistivity Property that defines a
Page 29 and 30: Engineering Materials and Electrica
Page 31 and 32: Electrical Properties in Manufactur
Page 33 and 34: Terms in Electrochemical Processes
Page 35 and 36: Figure 4.3 -Example of electrolysis
Page 37 and 38: Chemical Reactions in Decomposition

PHYSICAL PROPERTIES OF MATERIALS

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