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Microplastic Limit of Steel Determined by the Measurement of Changes in Electrical Impedance
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This study determines the microplastic limit of steel by measuring changes in electrical impedance, finding that it falls below the fatigue limit and separates non-damaging from damaging cyclic stresses.
The microplastic limit was determined by evaluation of deltaR-Sigma records. A comparison with the fatigue limit in an axial reversed loading showed that it was below the fatigue limit. The microplastic limit can be considered to separate non-damaging and damaging cyclic stresses.
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