Projects / Mechanical / Project 49

Effect of Heat Treatment on Medium-Carbon Steel

Approx. component budget: Rs. 4,000 - 8,000 + testing

Objective

Study how each heat treatment changes hardness, tensile strength and microstructure.

What you will build

Specimens of medium-carbon steel (EN8 or similar) annealed, normalised, quenched in water or oil, and tempered in a workshop or small muffle furnace.

Results you can expect

• Hardness for each condition
• Tensile strength and elongation
• Microstructure photos
• Link between cooling rate and hardness

What you will learn

Heat treatment of steel, phase changes, hardness testing and material selection.

Tools and notes

Furnace, hardness tester and UTM (college or outside lab, may cost extra). Use heat-proof gloves, tongs and eye protection.

Resume points from this project

• Built and tested Effect of Heat Treatment on Medium-Carbon Steel; objective: study how each heat treatment changes hardness, tensile strength and microstructure.
• Measured and analysed hardness for each condition and tensile strength and elongation; 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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