Mats Lecture 15

Question 1

What is the definition of a composite?

Answer 1

A material consisting of a mixture of two or more materials

Question 2

Is the following statement true? Metals have good mechanical and thermal conductivity

Answer 2

True

Question 3

Is the following statement true? Metals and alloys have relatively high strength and stiffness

Answer 3

True

Question 4

Is the following statement true? Ceramics have high melting temperatures

Answer 4

True

Question 5

Is the following statement true? Ceramics are very hard and ductile

Answer 5

False

Question 6

Is the following statement true? In a glass atoms are arranged in a periodic configuration making the glass lattice

Answer 6

True

Question 7

Is the following statement true? Polymers have a high elastic modulus

Answer 7

True

Question 8

Is the following statement true? Polymers are generally good thermal isolators

Answer 8

True