Powder metallurgy: hard metal history

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The development of civilization is closely connected to the discovery of metal. The first metals known by prehistoric man were found in natural state, they were soft and pliable and could be shaped into many forms and had a low melting point, copper was probably the first. 13,000 year...

Sandblasting and shot peening

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Industrial sandblasting (with shot blasting tunnel) is a well known process in which products were subject to erosion due to high speed airflow and sandflow. A similar approach occurs with shot peening. In that process, also the components of the working machine are subjected to erosi...