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Almen strips are small but essential tools help measure the energy imparted during the shot peening process, ensuring that the process meets the required specifications. In this article, we’ll dive into the purpose of Almen strips, explore the technical differences between them, and discuss how they are used to achieve precise shot peening outcomes. 

The Purpose of Almen Strips in Shot Peening

Corundum is an aluminum oxide that can be found in nature as a mineral; in the industrial field is used synthetic corundum which is cheaper than the natural one and is obtained by the fusion of bauxite. 

It is a non-toxic abrasive, in fact it does not contain free silica and other components harmful to health, unlike other cheaper products that are used for sandblasting. 

The main feature of corundum is its high hardness (9 Mohs: only one point lower than diamond) which guarantees an exceptional abrasive capacity and the speed in obtaining the required result on any type of material. Having a high impact resistance, it is particularly