Environmentally friendly lubricant

From: Mechanical Engineering | Date: May 1, 2000| Author: | Copyright information

Aluminum and magnesium alloys are attractive materials for taking the weight out of vehicles. Forming these alloys into body parts is problematic, however, because of high friction. Without an effective lubricant on the metal surfaces, uniform elongation and stretching in a cold-forming process is difficult. Many conventional lubricants are flammable, and contain chlorine, phosphorus, and sulfur-bearing additives that are hazardous and difficult to dispose of.

A promising-and nontoxic-alternative is boric acid, which is also one of the most slippery solids around, according to researchers at ...

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