Materials Science and Engineering
Materials Science and Engineering
9th Edition
ISBN: 9781118324578
Author: Jr. William D. Callister
Publisher: WILEY
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Chapter 15.24, Problem 22QP

(a)

To determine

To plot:

The stress-versus-strain curves for polyisoprene with number average molecular weight of 1,00,000 g/mol and 10 % of cross-linked sites; polyisoprene with number average molecular weight of 1,00,000 g/mol and 20 % of cross-linked sites.

(b)

To determine

To plot:

The stress-versus-strain curves for syndiotactic polypropylene with weight average molecular weight of 1,00,000 g/mol; atactic polypropylene with weight average molecular weight of 75,000 g/mol.

(c)

To determine

To plot:

The stress-versus-strain curves for branched polyethylene with number average molecular weight of 90,000 g/mol and heavily cross-linked polyethylene with weight-average molecular weight of 90,000 g/mol.

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