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ASTM E 1814 Document Information:
Title
Standard Practice for Computed Tomographic (CT) Examination of Castings
ASTM International
Publication Date:
May 10, 1996
Scope:
This practice covers a uniform procedure for the examination of
castings by the computed tomography (CT) technique. The
requirements expressed in this practice are intended to control the
quality of the nondestructive examination by CT and are not
intended for controlling the acceptability or quality of the
castings. This practice implicitly suggests the use of penetrating
radiation, specifically X rays and gamma rays.
This practice provides a uniform procedure for a CT examination
of castings for one or more of the following purposes:
Examining for discontinuities, such as porosity, inclusions,
cracks, and shrink;
Performing metrological measurements and determining dimensional
conformance; and
Determining reverse engineering data, that is, creating
computer-aided design (CAD) data files.
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. For specific safety statements, see
Section 7, NBS Handbook 114,2 and 21 CFR
1020.40 and 29 CFR 1910.96.
2 NBS Handbook 114, General Safety Standard for
Installations, Using Non- Medical X-Ray and Sealed Gamma-Ray
Sources, Energies Up to 10 MeV, National Institute of
Standards and Technology (NIST), Gaithersburg, MD.
Keywords:
- castings
- computed tomography
- CT
- examination
- NDE
- nondestructive evaluation
- nondestructive examination
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