Composite Materials

Type of matrix ✘ Size-and-shape of reinforcement ✘ Both ✘ None ✔

Matrix ✘ Fiber ✘ Both ✘

Can’t define

✔

Matrix ✘ Reinforcement ✘ Both are of equal strength ✘

 Can’t define 

✔

Matrix ✘ Reinforcement ✘ Both are of equal strength ✘

 Can’t define 

✔

Matrix ✘ Fiber ✘ Both fails at same time ✘

Can’t define 

✔

0.01-0.1 µm

✘ 0.01-0.1 nm ✘ 0.01-0.1 mm ✘ None ✔

Lower ✘ Upper ✘ Both ✘ None ✔

Strength ✘ Wear resistance ✘ Elastic modulus ✘ Density ✔

Properties of constituents ✘ Interface strength ✘ Fiber length, orientation, and volume fraction ✘ All the above ✔

Fiber strength ✘ Fiber orientation ✘ Fiber volume fraction ✘ Fiber length ✔