Answered: 9) A Cu monocrystal (FCC) of 10 cm…

9) A Cu monocrystal (FCC) of 10 cm length is pulled in tension. The stress axis is [¯123]. a) Which is the stress system with the highest resolved shear stress?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter9: Liquids, Solids, And Materials

Section: Chapter Questions

Problem 74QRT

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Concept explainers

Crystallography

Crystallography is the category of science that focuses on the atomic and molecular arrangements with their bonding constituting the crystal structure. It is derived experimentally and originated in the year 1912. It is a combination of two words; those are crystal, meaning a cold drop, and graph, meaning writing.

Question

9) A Cu monocrystal (FCC) of 10 cm length is pulled in tension. The stress axis is [¯123].
a) Which is the stress system with the highest resolved shear stress?
(b) If the extension of the crystal continues until a second slip system
becomes operational, what will this system be?
(c) What rotation will be required to activate the second system?
(d) How much longitudinal strain is required to activate the second system?

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