Describe the steps involved in the preparation of a metallographic sample: Sectioning (cutting) > Plastic coating of the samples > Mounting > Grinding > Polishing > Etching Why should the specimen be roughly washed after each stage during either grinding or polishing? Why is needing for grinding?

Describe the steps involved in the preparation of a metallographic sample: Sectioning (cutting) > Plastic coating of the samples > Mounting > Grinding > Polishing > Etching Why should the specimen be roughly washed after each stage during either grinding or polishing? Why is needing for grinding?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Metrology of surface finish

In general terms, the application of scientific principles in the study of measurements is known as metrology. When speaking about measurement, it could be of time, length, microstructures, grain structures, internal crystal discontinuities, surface roughness, measurements of angles, height, width, and so on. While coming to the domain of mechanical engineering, metrology is considered the science of measurements of surface finish, length, surface texture, and angles.

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