# The total solidification times of three casting shapes are to be compared: (1) a sphere with...

## Question:

The total solidification times of three casting shapes are to be compared: (1) a sphere with diameter = 10 cm, (2) a cylinder with diameter and length both = 10 cm, and (3) a cube with each side = 10 cm. The same casting alloy is used in the three cases.

(a) Determine the relative solidification times for each geometry.

(b) Based on the results of part (a), which geometric element would make the best riser?

(c) If Cm = 3.5 min/cm{eq}\displaystyle ^2 {/eq} in Chvorinov's Rule, compute the total solidification time for each casting.

## Casting.

Casting is defined as the process in which the molten metal is pour inside the mould cavity for making the desired shape The molten metal cool inside the molding at a constant rate.

## Answer and Explanation: 1

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List down the given data

• The diameter of the sphere is {eq}{D_s} = 10\;{\rm{cm}} {/eq}.
• The length and diameter of the cylinder is same.
• {eq}{D_c} =...

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The Lost-Wax Casting Technique in Antiquity

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Chapter 3 / Lesson 11
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In this lesson, you will discover the secrets behind the lost-wax casting technique used to create ancient sculpture. Then, test your understanding with a brief quiz.