Vickers Hardness Number Calculator

About Vickers Hardness Number Calculator (Formula)

The Vickers Hardness Number Calculator is a tool used to determine the Vickers Hardness Number of a material based on the applied force and the indentation left by an indenter. The Vickers Hardness Number is a measure of a material’s hardness and resistance to indentation.

The Vickers Hardness Number is calculated using the following formula:

Vickers Hardness Number (VHN) = 1.854 * (Force / (Indentation^2))

In this formula, the Force represents the applied force in kg-f (kilogram-force) and the Indentation represents the indentation depth in mm (millimeters).

The formula calculates the ratio of the applied force to the square of the indentation depth, multiplied by a constant factor of 1.854. This provides a numerical value that reflects the material’s hardness.

The Vickers Hardness Number is commonly used in materials testing and quality control to assess the hardness and mechanical properties of various materials, including metals, ceramics, and composites. It provides a standardized measurement for comparing the hardness of different materials.

It’s important to note that the Vickers Hardness Test requires specific testing procedures, including the use of a Vickers indenter, precise force application, and accurate indentation measurements. The Vickers Hardness Number is influenced by factors such as the material’s microstructure, sample preparation, and testing conditions.

The Vickers Hardness Number Calculator simplifies the calculation process by allowing users to input the applied force and the indentation depth. By entering these values, the calculator provides an estimation of the material’s Vickers Hardness Number.

It’s worth mentioning that the Vickers Hardness Number is dimensionless, as it represents a ratio of forces and lengths. The calculator typically provides the result rounded to two decimal places for convenience and clarity.

The Vickers Hardness Number Calculator is widely used in materials science, engineering, and manufacturing industries to evaluate and compare the hardness characteristics of different materials. It assists in material selection, quality assessment, and performance evaluation of various components and structures.