The aim of this laboratory experiment is to examine the tensile strength of three specimen of low, medium and high carbon steels is examined. The microstructure of the specimen is determined and calculations such as tensile strength, yield strength etc we

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INDEX

Page

ABSTRACT 1

INTRODUCTION 1

BACKGROUND 2-3

EXPERIMENTAL PROCEDURE 4

RESULTS 5-6

DISCUSION 7-8

CONCLUSION 8

ABSTRACT

The aim of this laboratory experiment is to examine the tensile strength of three specimen of low, medium and high carbon steels is examined. The microstructure of the specimen is determined and calculations such as tensile strength, yield strength etc were clearly recorded. Also, the background theory was stated, the apparatus and procedure used to achieve the experiment was described. The main part of this lab report is the discussion on the results and how close they've been calculated to the original theoretical values by taking into consideration some external experimental errors. The last part of this report is the conclusion on the whole procedure.

INTRODUCTION

The main purpose of this lab report is by using a tensile testing machine (Hounsfield tensometer), to determine mechanical properties of three different plain carbon steel materials (low carbon steel, medium carbon steel and high carbon steel). Also, their grain structure is to be examined using a Metallurgical microscope.

BACKGROUND

The three different materials are the low-carbon, medium-carbon and