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1 Fretting corrosion is primarily a surface damage phenomenon occurring as a result of small cyclic movements between two materials caused by cyclic loading. Fretting damage can occur in vacuum, although it then would be better to speak of fretting, rather than fretting corrosion.
Material handling options can allow the laser to run unattended. Significantly higher capital cost than plasma or waterjet. Cutting metals reflective to the laser beam (such as aluminum) can be hazardous to the focusing lens. Can cause micro fracturing on some materials, a detriment for some aerospace applications. Variations in material quality for carbon steel plate as well as surface rust can affect cut results. High cost for cutting assist gas, can be more than $15 per hour. Safety requirements to protect operator from laser beam.