What is hardness of material?
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Hardness means resistance to localised plastic deformation. Every material has an inherent tendency to oppose any change which it may encounter. So, when a material experiences plastic deformation causing force, it encounters it. This tendency of material to resist plastic deformation is called hardRead more
Hardness means resistance to localised plastic deformation.
Every material has an inherent tendency to oppose any change which it may encounter. So, when a material experiences plastic deformation causing force, it encounters it. This tendency of material to resist plastic deformation is called hardness. Hardness is usually of two types: Scratch Hardness and Indentation hardness. Scratch hardness is resistance to friction from sharp object and Indentation hardness is resistance to constant compression forces.
See lessHardness is defined as the resistance to indentation. Or hardness usually implies a resistance of material to permanent or plastic deformation. There are 3 general types of hardness measurements depending on the manner in which the test is conducted. Scratch hardness Indentation hardness Rebound haRead more
Hardness is defined as the resistance to indentation. Or hardness usually implies a resistance of material to permanent or plastic deformation. There are 3 general types of hardness measurements depending on the manner in which the test is conducted.
- Scratch hardness
- Indentation hardness
- Rebound hardness
See lessHardness is defined as resistance to penetrate, resistance to abrasion, resistance to wear , which is caused by deformation.
Hardness is defined as resistance to penetrate, resistance to abrasion, resistance to wear , which is caused by deformation.
See lessIts resistance to plastic deformation at the surface level of a material.
Its resistance to plastic deformation at the surface level of a material.
See less