The production of wood-pellets involves fractioning of the raw material, e.g. the sawdust and cutter shavings, into a homogeneous particle size before pressing through a ring die pelletizer. The fractioning takes place in a hammer mill, where wear on the cutting knives
The use of aluminum has increased over the years and has resulted in an increase of recycling also. These recycled aluminum alloys are called secondary alloys and do not display as good mechanical properties as primary aluminum alloys. The purpose of this
Stainless steel is the general name for different steels used primarily for their resistance to corrosion. One of the major advantages of the stainless steels, and the austenitic stainless steels in particular, is their ability to be fabricated by all the standard