2.2 Materials and properties

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• Middelbare school
• havo, vwo
• Leerjaar 1

2.2

Materials & properties

Compressive strength

Pull strength

When designing, you search for materials with certain properties.

Which property is tested here?

1. Magnetic properties
2. Electrical properties
3. Bending strength
4. Stiffness

Which property
is tested here?

1. Magnetic properties
2. Electrical properties
3. Bending strength
4. Stiffness

Which property
is tested here?

1. Magnetic properties
2. Electrical properties
3. Pull strength
4. Stiffness

Which property
is tested here?

1. Magnetic properties
2. Elastic properties
3. Bending strength
4. Stiffness

Which property
is tested here?

1. Magnetic properties
2. Electrical properties
3. Bending strength
4. Stiffness

Different properties

Strength:

Strength:

- bend - flexural strength

- pull - tensile strength

- compressive strength

- shear strength

- torsional strength

Stiffness:

Stiffness:

How much force is needed to bend the material, without breaking it?

Elasticity:

Elasticity:

How well does the material get back to its origianl shape?

Hardness:

Hardness:

The ability of a material to resist scratching

Density:

Density:

What is the mass of 1 cm3?

Degradation:

Degradation:

What can the material resist?

Conduction:

Conduction:

Does the material conduct electricity or heath well??

Environment:

Environment:

Is it dangerous for the environment?

Important properties:

1. Strength

2. Stiffness

3. Elasticity        6. Degradation

4. Hardness       7. Conduction

5. Density           8. Environment