Provide a summary of the ASTM E11212 standards definition ofthe grain ...

Provide a summary of the ASTM E112â€“12 standardâ€™s definition of the grain size number G. Your...

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Mechanical Engineering

Provide a summary of the ASTM E112â€“12 standardâ€™s definition ofthe grain size number G. Your summary should give the precisemathematical definition for G. Your summary should also supply aconceptual description of G; this description should not requiresignificant technical background to understand. â€¢ Provide a summaryof the Lineal Intercept Procedure described in the ASTM E112â€“12standard. Your summary should give sufficient detail that someonecould use it to compute the grain size number G without any otherinformation.
Overall what exactly is G? What is ASTM E112-12? What is thelineal intercept procedure?

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4.4 Ratings (594 Votes)

The grain size number G is defined mathematically by theformula where NAE is the number of grains per square inch at100x magnification G is the ASTM grain size numberA metal structure is an aggregate of 3D crystals of varyingsizes and shapes Even if all these crystals were identical in sizeand shape the grain cross sections produced by a random See Answer

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