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ISO 7800 Metallic materials -- Wire -- Simple torsion test
Date：2017-06-23 Source：United Test Views：100
ISO 7800 Metallic materials -- Wire -- Simple torsion test
ISO 7800:2003 specifies a method for determining the ability of metallic wire of diameter or characteristic dimension 0,1 mm to 10 mm inclusive to undergo plastic deformation during simple torsion in one direction.
A test piece of wire is twisted a specified number of turns through 360° around its own axis in one direction, and then a specified number of turns through 360° in the opposite direction. The wire specimen be twisted about the longitudinal axis until it fails. Upon failure, the number of turns should be recorded.
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