ASTM E562-11 PDF

ASTM EStandard Test Method for Determining Volume 1 95 % Con? dence Interval Multipliers No. of Fields n 5 6 7 8 9 10 11 12 13 ASTM Standard E, using an image analysis routine with Leica .. of Constructional Steel Research 64(11) doi: / ASTM E Standard Test Method for Determining Volume Fraction by Systematic Manual Point Count. Front Cover. American Society for Testing and.

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ASTM E562 – 11

If another method of? It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Standard Test Method f Table 2 provides guidelines for this selection.

To avoid bias, questionable points should be counted as one half.

Published June 10, ast This can be accomplished by moving the x and y stage mechanism a? Last previous edition E — Any number of clearly distinguishable constituents or phases within a microstructure or macrostructure can be counted using the method.

Two common types of grids circular or square array are shown in Fig. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

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ASTM International – Standard References for ASTM E – 11

E56211 published as E — However, it should be recorded since it may have an effect upon the precision obtained.

This time estimate can probably be decreased to 15 min after some experience and familiarity with the point counting procedure and the microstructure analyzed are obtained. Precision and Bias 5 Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. A grand average can be calculated by taking the average of the set means in this case. Guidelines are given in 9.

Repeated point count measurements on an individual micrograph is not allowed. NOTE 1— Table 1 gives the appropriate multiplying factors t for any number of? Point counting measurements should be completed on different? Referenced Documents purchase separately The awtm listed below are referenced within the subject standard but are not provided as part of the standard.

Current edition approved April 10, Historical Version s – view previous versions of standard. The values in Table 2 do not qstm to theoretical constraints; but, by using these values, empirical observations have shown that the method is optimized for a given precision.

These values were calculated under the assumption that the features have a random distribution upon the metallographic section.

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Improving the Volume Awtm Estimate It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Do not observe the image while translating to a new? Summary of Test Method 4. Guidelines are given in Section 8. Table 3 gives a guide to the number of? Thus, the method can be applied to any type of solid material from which adequate two-dimensional sections can be prepared and observed.

Diagrams of two possible grids, one with a circular pattern and one with a square pattern, which are recommended for use, are shown in Fig.

This additional effort should reduce the con? This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Work Item s – proposed revisions of this standard. Asgm method is applicable only to bulk opaque planar sections viewed with re?

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.