Chapter 4)Design and manufacture Flashcards

1
Q

What is the difference between the Brinell and the Vickers destructive testing?

A

Vickers uses a pyramid punch unlike Brinell which is spherical

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2
Q

What is an example of toughness testing?

A

Holding a material in the vice and hitting it with a hammer, if it bends hen it is not very tough

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3
Q

How is magnetic testing done in metals?

A

The metal is sandwiched in between two magnets
Iron filings are out on top
Where be particles leave a space it indicates any defects in the metal

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4
Q

Describe ultrasonic testing

A

A probe is put on top of the metal

The probe sends blips to the machine any change in these blips indicates a defect

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5
Q

What is the difference between destructive and non-destructive testing?

A

Destructive testing means that the material tested will be physically damaged I.e it will have a hole or dents ion in it

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6
Q

What is acid pickling?

A

Metal is cleaned with sulphuric acid removing any oxides and exposing any cracks on the metals surface

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