ASTM E3213-19

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E3213 − 19
Standard Practice for
Part-to-Itself Examination Using Process Compensated
Resonance Testing Via Swept Sine Input for Metallic and
1
Non-Metallic Parts
This standard is issued under the fixed designation E3213; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope deformation, corrosion, and fatigue. This practice is intended
for use with instruments capable of exciting, measuring,
1.1 This practice covers a general procedure for using the
recording, and analyzing multiple, whole body, mechanical
Process Compensated Resonance Testing (PCRT) via swept
vibration resonance frequencies in acoustic or ultrasonic fre-
sine input method to perform Part-to-Itself (PTI) examination
quency ranges, or both.
on populations of newly manufactured and in-service parts.
PCRT detects resonance pattern differences in metallic and 1.2 Units—The values stated in inch-pound units are to be
non-metallic parts. Practice E2534 for Defect Detection with regarded as standard. The values given in parentheses are
PCRT and Practice E3081 for Outlier Screening with PCRT mathematical conversions to SI units that are provided for
cover the development and application of PCRT sorting mod- information only and are not considered standard.
ules that inspect a part at a single point in time.These methods
1.3 This standard does not purport to address all of the
use the resonance frequency spectra recorded from test parts
safety concerns, if any, associated with its use. It is the
and perform different statistical analyses to compare test parts
responsibility of the user of this standard to establish appro-
to reference populations.These comparisons include, and must
priate safety, health, and environmental practices and deter-
compensatefor,thenormalgeometric,material,andprocessing
mine the applicability of regulatory limitations prior to use.
variations present in any population of parts. In many
1.4 This international standard was developed in accor-
applications,however,theusermayneedtoevaluatetheeffects
dance with internationally recognized principles on standard-
of a single processing step or in-service load in isolation from
ization established in the Decision on Principles for the
other sources of variation. For example, a manufacturer may
Development of International Standards, Guides and Recom-
want to perform process monitoring and control on a heat
mendations issued by the World Trade Organization Technical
treatment or hardening process. A maintainer may want to
Barriers to Trade (TBT) Committee.
evaluate the effect of service cycles in an engine.APCRT PTI
examination measures the resonance frequency spectrum of a 2. Referenced Documents
part at two points in time, such as before and after a 2
2.1 ASTM Standards:
manufacturing process step, and calculates the change in
E1316 Terminology for Nondestructive Examinations
resonance frequencies to evaluate the effect of the intervening
E2001 Guide for Resonant Ultrasound Spectroscopy for
process. Control limits can be set on the frequency change to
Defect Detection in Both Metallic and Non-metallic Parts
fieldaPTIPASS/FAILinspectioncapability.Thelimitsmaybe
E2534 Practice for Process Compensated ResonanceTesting
based on training populations of parts with acceptable and
Via Swept Sine Input for Metallic and Non-Metallic Parts
unacceptable levels of change, model predictions of the effects
E3081 Practice for Outlier Screening Using Process Com-
of part changes, or criteria derived from process control
pensated Resonance Testing via Swept Sine Input for
practices. Manufacturing processes and in-service loads that
Metallic and Non-Metallic Parts
can be evaluated with a PCRT PTI inspection include, but are
not limited to heat treatment, hot isostatic pressing (HIP), shot
3. Terminology
peening, induction hardening, carburization, coating, thermal
3.1 Definitions—The definitions of terms relating to con-
history changes, residual stress changes, creep, plastic
ventional ultrasonic examination can be found in Terminology
E1316.
1
This practice is under the jurisdiction of ASTM Committee E07 on Nonde-
2
structive Testing and is the direct responsibility of Subcommittee E07.06 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Ultrasonic Method. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved May 1, 2019. Published June 2019. DOI: 1
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