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ASTM E2567-16a
- Standard Test Method for Determining Nodularity And Nodule Count In Ductile Iron Using Image Analysis
- standard by ASTM International, 04/01/2016
- Publisher: ASTM
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1.1 This test method is used to determine the percent nodularity and the nodule count per unit area (that is, number of nodules per mm²) using a light microscopical image of graphite in nodular cast iron. Images generated by other devices, such as a scanning electron microscope, are not specifically addressed, but can be utilized if the system is calibrated in both x and y directions.