Author: Rebecca L. Higginson
Publisher: CRC Press
ISBN:
Category : Business & Economics
Languages : en
Pages : 132
Book Description
"The aim of this book is to show examples of the application of these principles to calculate mean values and the confidence intervals for a number of important microstructural features. Knowledge of the accuracy of the experimental values of the microstructural parameters is essential for their valid interpretation and application. It is assumed that the reader is familiar with the application of statistical methods to data analysis, but the essentials are summarised in the Appendix."--BOOK JACKET.
Worked Examples in Quantitative Metallography
Practical Applications of Quantitative Metallography
Author: J. H. Steele
Publisher: ASTM International
ISBN: 9780803102200
Category : Technology & Engineering
Languages : en
Pages : 204
Book Description
An improved procedure based on the intercept method of measuring the grain size of single-phase microstructures has been developed that provides a quantitative description of the grain size yet is fast. The procedure combines the statistical advantage of using large numbers with the advantage of interpreting the data as a normal distribution, as verified by the chi square test. Application of the procedure to ferritic microstructures representative of best and worst case conditions indicates that accuracies on the order of 3 percent at a 95 percent confidence level can be achieved. In addition, the procedure is sensitive enough to distinguish a randomly mixed duplex grain structure. The measurements associated with a two-phase microstructure can be more precisely quantified through determination of volume fractions using a Pp measurement based on the use of an appropriate grid network, the coefficient of variation statistic, and the Poisson distribution. The analysis is demonstrated for an a priori system for which the percent accuracy and confidence level can be specified for the volume fraction measurement simply from calculation of the average value for Pp.
Publisher: ASTM International
ISBN: 9780803102200
Category : Technology & Engineering
Languages : en
Pages : 204
Book Description
An improved procedure based on the intercept method of measuring the grain size of single-phase microstructures has been developed that provides a quantitative description of the grain size yet is fast. The procedure combines the statistical advantage of using large numbers with the advantage of interpreting the data as a normal distribution, as verified by the chi square test. Application of the procedure to ferritic microstructures representative of best and worst case conditions indicates that accuracies on the order of 3 percent at a 95 percent confidence level can be achieved. In addition, the procedure is sensitive enough to distinguish a randomly mixed duplex grain structure. The measurements associated with a two-phase microstructure can be more precisely quantified through determination of volume fractions using a Pp measurement based on the use of an appropriate grid network, the coefficient of variation statistic, and the Poisson distribution. The analysis is demonstrated for an a priori system for which the percent accuracy and confidence level can be specified for the volume fraction measurement simply from calculation of the average value for Pp.
The Basis of Quantitative Metallography
Author: F. B. Pickering
Publisher:
ISBN:
Category : Metallography
Languages : en
Pages : 38
Book Description
Publisher:
ISBN:
Category : Metallography
Languages : en
Pages : 38
Book Description
Stereology and Quantitative Metallography
Author: G. E Pellissier
Publisher: ASTM International
ISBN: 9780803100954
Category : Science
Languages : en
Pages : 196
Book Description
Publisher: ASTM International
ISBN: 9780803100954
Category : Science
Languages : en
Pages : 196
Book Description
Practical Applications of Quantitative Metallography
Author: Lynn Goodnight
Publisher:
ISBN: 9789994058099
Category :
Languages : en
Pages :
Book Description
Publisher:
ISBN: 9789994058099
Category :
Languages : en
Pages :
Book Description
Physical Applications of Quantitative Metallography
Author: American Society for Testing and Materials. Committee E-4 on Metallography
Publisher:
ISBN:
Category : Metallography
Languages : en
Pages : 185
Book Description
Publisher:
ISBN:
Category : Metallography
Languages : en
Pages : 185
Book Description
Applications of Modern Metallographic Techniques
Author: American Society for Metals
Publisher: ASTM International
ISBN: 9780803100640
Category : Crystals
Languages : en
Pages : 282
Book Description
Publisher: ASTM International
ISBN: 9780803100640
Category : Crystals
Languages : en
Pages : 282
Book Description
Application of the QTM-A in the Quantitative Metallography of Specialty Steels
Author: R. R. Langhoff
Publisher:
ISBN:
Category : Analysis
Languages : en
Pages : 22
Book Description
The introduction of the Metals Research Ltd. "Quantitative Television Microscope--Type A" held promise of providing a more rapid and less fatiguing technique of quantitative metallographic analysis than the conventional point-counting and lineal analysis. It seemed worthwhile to assess the capabilities of the instrument. To this end several microstructural features including volume fraction, particle size, and spacing of a secondary phase were measured and comparisons made with results obtained from lineal analysis. Quantitative metallographic measurements obtained with the television microscope were comparable in accuracy with results obtained by other techniques. The measurements can be made more rapidly than with previously existing techniques and with less operator fatigue. Because of limitations of the logic circuitry within the machine, discrimination of certain microstructural features is not possible.
Publisher:
ISBN:
Category : Analysis
Languages : en
Pages : 22
Book Description
The introduction of the Metals Research Ltd. "Quantitative Television Microscope--Type A" held promise of providing a more rapid and less fatiguing technique of quantitative metallographic analysis than the conventional point-counting and lineal analysis. It seemed worthwhile to assess the capabilities of the instrument. To this end several microstructural features including volume fraction, particle size, and spacing of a secondary phase were measured and comparisons made with results obtained from lineal analysis. Quantitative metallographic measurements obtained with the television microscope were comparable in accuracy with results obtained by other techniques. The measurements can be made more rapidly than with previously existing techniques and with less operator fatigue. Because of limitations of the logic circuitry within the machine, discrimination of certain microstructural features is not possible.
An Evaluation of Procedures in Quantitative Metallography for Volume-fraction Analysis
Author: John E. Hilliard
Publisher:
ISBN:
Category : Metallography
Languages : en
Pages : 344
Book Description
Publisher:
ISBN:
Category : Metallography
Languages : en
Pages : 344
Book Description
Practical Applications of Quantitative Metallography
Author: J.L. McCall
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description