Grain Size Measurements by the Triple Point Count Method

Autor:	GF Vander Voort
Rok vydání:	2014
Předmět:	Triple point Mathematical analysis Metals and Alloys Magnification Condensed Matter Physics Measure (mathematics) Grain size Electronic Optical and Magnetic Materials Intercept method symbols.namesake Mechanics of Materials Euler's formula symbols Point (geometry) Mathematics
Zdroj:	Practical Metallography. 51:201-207
ISSN:	2195-8599 0032-678X
DOI:	10.3139/147.110291
Popis:	Aside from the well-known grain size measurement techniques using either the planimetric methods of Jeffries or Saltykov, or the intercept method of Heyn, Hilliard and Abrams, one can measure the grain size through a count of grain-boundary triple point intersections within a known area through the use of Euler's law. This technique has rarely been used manually. It is possible to do such a count by image analysis as long as the magnification is not too low. In general, measurements based on point counts (0 dimensional) are less subject to errors than lineal measurements (one-dimensional) which are less subject to error than areal measurements (two-dimensional).
Databáze:	OpenAIRE
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