Vickers Hardness Test Procedures

Vickers Hardness Test Procedures

Assessment

Interactive Video

Physics, Science, Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial explains the Vickers hardness test, a method used to measure the hardness of materials like a compressor wheel for a turbocharger. The process involves using a diamond indenter to create an indentation on the test piece, followed by measuring the indentation to calculate the hardness value. The tutorial covers the preparation of the testing machine, the execution of the test, and the calculation of the hardness value, providing a comprehensive guide to performing the Vickers hardness test.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main principle behind the Vickers hardness test?

Pressing a cube-shaped diamond indentor with a defined force onto the test piece

Using a cylindrical indentor to press onto the test piece

Pressing a pyramid-shaped diamond indentor with a defined force onto the test piece

Using a spherical indentor to press onto the test piece

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the shape of the Vickers indentor?

Spherical

Cylindrical

Pyramid-shaped

Cube-shaped

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in preparing the testing machine?

Placing the test piece on the support table

Adjusting the height of the support table

Inserting the Vickers indentor into the mounting device

Rotating the microscope lens into position

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the tester ensure the test piece surface is in focus?

By moving the test piece around

By rotating the microscope lens

By pressing the start button

By adjusting the height of the support table

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens after the start button is pushed?

The test piece is moved around

The diamond pyramid touches the test piece surface

The microscope lens is adjusted

The test force is decreased

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the tester do with the control knob?

Moves the test piece around

Adjusts the height of the support table

Starts the test

Places measuring lines at the corners of the indentation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the Vickers hardness value calculated?

By adding the test force to the area of the indentation

By dividing the test force by the area of the indentation

By multiplying the test force by the area of the indentation

By dividing the test force by the volume of the indentation

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