The plasticity response ratio (r value) of low carbon and low alloy steel sheets is measured, and the measurement results are evaluated as uncertain.
CSM 01 01 02 04-2006 Referenced Document
GB/T 12160-2002 Calibration of extensometers used in uniaxial testing (ISO 9513:1999,Metallic materials--Calibration of extensometers used in uniaxial testing, IDT)
GB/T 5027-1999 Metallic materials-Sheet and strip--Determination of plastic strain ratio(r-values)
JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement
CSM 01 01 02 04-2006 history
2006CSM 01 01 02 04-2006 Evaluation of Uncertainty of Measurement Results of Plastic Strain Ratio (r Value) of Metal Sheet and Strip