Part 3 - Testing

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Last updated 11:56 AM on 1/24/23
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9 Terms

1
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What **practical tests** can you do in the workshop?
\- Ductility

\- Hardness

\- Tensile Strength

\- Toughness

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2
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How to test for ‘**Ductility’?**
How to test for ‘**Ductility’?**
Place a piece of material in a vice then test attempts to make a 90degree angle
Place a piece of material in a vice then test attempts to make a 90degree angle
3
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How to test for ‘**hardness**’?
How to test for ‘**hardness**’?
A hammer strikes a a dot punch onto a material, hammer blow should be the same for each material
A hammer strikes a a dot punch onto a material, hammer blow should be the same for each material
4
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How to test for ‘**Tensile Strength’?**
How to test for ‘**Tensile Strength’?**
A piece of material is clamped into a vice and then weights are hung off the end and see how much weight it can take
A piece of material is clamped into a vice and then weights are hung off the end and see how much weight it can take
5
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How to test for ‘**Toughness**’?
How to test for ‘**Toughness**’?
materials are clamped into the vice and struck with the same forces by a hammer, this it to find out how much mechanical shock the material can absorb
materials are clamped into the vice and struck with the same forces by a hammer, this it to find out how much mechanical shock the material can absorb
6
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There are **two types** of testing, what are they?
\- Destructive

\- Non-destructive
7
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What is ‘**destructive testing**’?
standard sample of material being deliberately “damaged” or “destroyed”.
8
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What is **‘Non-destructive testing’**?
These tests are looking for surface or near surface faults.
9
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What are examples of ‘**Non-destructive testing’**?
What are examples of ‘**Non-destructive testing’**?
\- liquid Penetrant

\- magnetic testing

\- acid pickling

\- light

\- x-ray

\- ultrasonic
\- liquid Penetrant \- magnetic testing \- acid pickling \- light \- x-ray \- ultrasonic