MA2700 Aerospace Materials
Homework Assignment 1
Q1
What are some of the important properties of each of these engineering materials?
Metallic materials, polymeric materials, ceramic materials, smart materials.
Q2
A cupronickel consists of 80 wt.% Cu and 20 wt.% Ni. What are the atomic percentages of Cu
and Ni in the alloy?
Q3
What is the chemical formula of an intermetallic compound that consists of 15.68 wt. % Mg and
84.32 wt. % Al?
Q4
Draw in unit cubes the crystal planes that have the following Miller indices:
Q5
Determine the Miller-Bravais direction indices of the directions A and B indicated in the figures
below.
MA2700 Aerospace Materials
Q6
Determine the Miller-Bravais indices of the hexagonal crystal planes in the figure below.