Projects / Mechanical / Project 43

Pendulum Impact Tester (Charpy / Izod Type)

Approx. component budget: Rs. 8,000 - 12,000

Objective

Measure the energy absorbed by notched specimens of several materials and see how notch depth and temperature change it.

What you will build

A pendulum with a hammer, a specimen anvil, an angle scale, a pendulum catch, and notched specimens of different materials.

Results you can expect

• Absorbed energy for metals and plastics
• Effect of notch depth
• Effect of temperature (room vs cooled)
• Fracture surface comparison

What you will learn

Toughness, brittle vs ductile fracture, and impact testing methods used in material and product testing.

Tools and notes

Angle scale or encoder, Excel. Make specimens by machining. Use a strong stand and keep everyone clear of the pendulum path.

Resume points from this project

• Built and tested Pendulum Impact Tester (Charpy / Izod Type); objective: measure the energy absorbed by notched specimens of several materials and see how notch depth and temperature change it.
• Measured and analysed absorbed energy for metals and plastics and effect of notch depth; wrote the report and presented the results in a viva. Add your own numbers: [x].

Replace [x] with your own measured results. Write only what you really did.

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