ASTM E821-96

Standard Practice for Measurement of Mechanical Properties During Charged-Particle Irradiation

General Information

• Status: Historical
• Publication Date: 31-Dec-1995
• ICS: 27.120.01 - Nuclear energy in general
• ICS: 27.180 - Wind turbine energy systems
• Technical Committee: E10 - Nuclear Technology and Applications

Relations

• Replaced By: ASTM E821-96(2003) - Standard Practice for Measurement of Mechanical Properties During Charged-Particle Irradiation
• Effective Date: 10-Jan-1996
• Referred By: ASTM E521-23 - Standard Practice for Investigating the Effects of Neutron Radiation Damage Using Charged-Particle Irradiation
• Effective Date: 01-Jan-1996
• Referred By: ASTM E693-23 - Standard Practice for Characterizing Neutron Exposures in Iron and Low Alloy Steels in Terms of Displacements Per Atom (DPA)
• Effective Date: 01-Jan-1996

Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: E 821 – 96
Standard Practice for
Measurement of Mechanical Properties During Charged-
1
Particle Irradiation
This standard is issued under the fixed designation E 821; 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 (e) indicates an editorial change since the last revision or reapproval.
PART I—EXPERIMENTAL PROCEDURE 3.1.1 Descriptions of relevant terms are found in Terminol-
ogy E 170.
1. Scope
4. Specimen Characterization
1.1 This practice covers the performance of mechanical
tests on materials being irradiated with charged particles. These 4.1 Source Material Characterization:
tests are designed to simulate or provide understanding of, or 4.1.1 The source of the material shall be identified. The
both, the mechanical behavior of materials during exposure to chemical composition of the source material, as supplied by the
neutron irradiation. Practices are described that govern the test vendor or of independent determination, or both, shall be
material, the particle beam, the experimental technique, and the stated. The analysis shall state the quantity of trace impurities.
damage calculations. Reference should be made to other The material, heat, lot, or batch, etc., number shall be stated for
ASTM standards, especially Practice E 521. Procedures are commercial material. The analytical technique and composi-
described that are applicable to creep and creep rupture tests tional uncertainties should be stated.
2
made in tension and torsion test modes. 4.1.2 The material form and history supplied by the vendor
1.2 The word simulation is used here in a broad sense to shall be stated. The history shall include the deformation
imply an approximation of the relevant neutron irradiation process (rolling, swaging, etc.), rate, temperature, and total
environment. The degree of conformity can range from poor to extent of deformation (given as strain components or geometri-
nearly exact. The intent is to produce a correspondence cal shape changes). The use of intermediate anneals during
between one or more aspects of the neutron and charged processing shall be described, including temperature, time,
particle irradiations such that fundamental relationships are environment, and cooling rate.
established between irradiation or material parameters and the 4.2 Specimen Preparation and Evaluation:
material response. 4.2.1 The properties of the test specimen shall represent the
1.3 This standard does not purport to address all of the properties of bulk material. Since thin specimens usually will
safety concerns, if any, associated with its use. It is the be experimentally desirable, a specimen thickness that yields
responsibility of the user of this standard to establish appro- bulk properties or information relatable to bulk properties
priate safety and health practices and determine the applica- should be selected. This can be approached through either of
bility of regulatory limitations prior to use. two techniques: (1) where the test specimen properties exactly
equal bulk material properties; (2) where the test specimen
2. Referenced Documents
properties are directly relatable to bulk properties in terms of
2.1 ASTM Standards:
deformation mechanisms, but a size effect (surface, texture,
E 170 Terminology Relating to Radiation Measurements etc.) is present. For the latter case, the experimental justifica-
3
and Dosimetry
tion shall be reported.
E 521 Practice for Neutron Radiation Damage Simulation 4.2.2 The specimen shape and nominal dimensions shall be
3
by Charged-Particle Irradiation
stated and illustrated by a drawing. Deviations from ASTM
standards shall be stated. The dimensional measurement tech-
3. Terminology
niques and the experimental uncertainty of each shall be stated.
3.1 Definitions:
The method of specimen preparation, such as milling, grinding,
etc., shall be stated. The degree of straightness, flatness, surface
condition, edges, fillets, etc., shall be described. The method of
1
This practice is under the jurisdiction of ASTM Committee E-10 on Nuclear
gripping the specimen during the test shall be stated and,
Technology and Applications and is the direct responsibility of Subcommittee
E10.08 on Procedures for Neutron Radiation Damage Simulation.
preferably, illustrated by a drawing.
Current edition approved Jan. 10, 1996. Published March 1996. Originally
4.2.3 The heat treatment conditions such as time, tempera-
published as E 821 – 81. Last previous edition E 821 – 89.
2 ture, atmosphere, cooling rate, etc., shall be stated. Because of
These practices can be expanded to include mechanical tests other than those
specified as such experiments are proposed
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