Homework_1_MEGR2180_F09

Homework_1_MEGR2180_F09 - 5. A tensile test specimen has an...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
MEGR 2180 HOMEWORK 1 NAME Due 9/09/09 Fall 2009 1. Name the room temperature unit cell structures of iron, aluminum, and titanium, and indicate their interatomic distances. 2. What is the unit cell structure for iron at temperatures greater than 723° C? 3. Name and sketch 3 kinds of crystal defects. 4. Explain the differences between substitutional and interstitial solid solutions in metals, and indicate the conditions under which they form.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 5. A tensile test specimen has an engineering strain of 0.09. What is the true strain? 6. What is strain hardening? 7. Describe a notched bar impact test (include a sketch). What is another name for this test? 8. What kind of indenter is used in a Brinell hardness test? 9. What is an alloy? Give an example. "Labor conquers all things"- Virgil (70-19 B.C.)...
View Full Document

This note was uploaded on 10/01/2009 for the course MEGR 2144 taught by Professor Sharpe during the Fall '08 term at UNC Charlotte.

Ask a homework question - tutors are online