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ASTM-E81:2011 Edition

ASTM-E81:2011 Edition

$40.63

E81-96(2011) Standard Test Method for Preparing Quantitative Pole Figures

Published By Publication Date Number of Pages
ASTM 2011 7
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ASTM E81-96-Reapproved2011

Historical Standard: Standard Test Method for Preparing Quantitative Pole Figures

ASTM E81

Scope

1.1 This test method covers the use of the X-ray diffractometer to prepare quantitative pole figures.

1.2 The test method consists of several experimental procedures. Some of the procedures (1-5) permit preparation of a complete pole figure. Others must be used in combination to produce a complete pole figure.

1.3 Pole figures (6) and inverse pole figures (7-10) are two-dimensional averages of the three-dimensional crystallite orientation distribution. Pole figures may be used to construct either inverse pole figures (11-13) or the crystallite orientation distribution (14-21). Development of series expansions of the crystallite orientation distribution from reflection pole figures (22, 23) makes it possible to obtain a series expansion of a complete pole figure from several incomplete pole figures. Pole figures or inverse pole figures derived by such methods shall be termed calculated. These techniques will not be described herein.

1.4 Provided the orientation is homogeneous through the thickness of the sheet, certain procedures (1-3) may be used to obtain a complete pole figure.

1.5 Provided the orientation has mirror symmetry with respect to planes perpendicular to the rolling, transverse, and normal directions, certain procedures (4, 5, 24) may be used to obtain a complete pole figure.

1.6 The test method emphasizes the Schulz reflection technique (25). Other techniques (3, 4, 5, 24) may be considered variants of the Schulz technique and are cited as options, but not described herein.

1.7 The test method also includes a description of the transmission technique of Decker, et al (26), which may be used in conjunction with the Schulz reflection technique to obtain a complete pole figure.

1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

Keywords

crystal; orientation; pole figure; X-ray diffraction

ICS Code

ICS Number Code 77.040.99 (Other methods of testing metals)

DOI: 10.1520/E0081-96R11

PDF Catalog

PDF Pages PDF Title
1 Scope
Summary of Test Method
2 Significance and Use
Apparatus
FIG. 1
FIG. 2
3 Test Specimens
TABLE 1
FIG. 3
4 Procedure
TABLE 2
5 Random Intensities
FIG. 4
6 Keywords
REFERENCES
FIG. 5

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