FUNDAMENTALS OF METAL CASTING

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A pure metal solidifies at a constant temperature equal to its freezing point (same as melting point) Figure 10.4 - Cooling curve for a pure metal during casting ©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Solidification of Pure Metals •Due to chilling action of mold wall, a thin skin of solid metal is formed at the interface immediately after pouring •Skin thickness increases to form a shell around the molten metal as solidification progresses •Rate of freezing depends on heat transfer into mold, as well as thermal properties of the metal ©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Page 1 and 2: FUNDAMENTALS OF METAL CASTING •Ov
Page 3 and 4: Figure 10.1 - Classification of sol
Page 5 and 6: Capabilities and Advantages of Cast
Page 7 and 8: Parts Made by Casting •Big parts:
Page 9 and 10: The Mold in Casting •Contains cav
Page 11 and 12: Two Categories of Casting Process 1
Page 13 and 14: Figure 10.2 (b) Sand casting mold
Page 15 and 16: Forming the Mold Cavity •Mold cav
Page 17 and 18: Gating System Channel through which
Page 19 and 20: Heating the Metal • Heating furna
Page 21: Solidification of Metals Transforma
Page 25 and 26: Most alloys freeze over a temperatu
Page 27 and 28: •Solidification takes time Solidi
Page 29 and 30: Mold Constant in Chvorinov's Rule
Page 31 and 32: Figure 10.8 - Shrinkage of a cylind
Page 33 and 34: Solidification Shrinkage •Occurs
Page 35 and 36: Directional Solidification •To mi
Page 37 and 38: Figure 10.9 - (a) External chill to

FUNDAMENTALS OF METAL CASTING

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