ASTM D2294-96(2002)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D2294–96(Reapproved2002)
Standard Test Method for
Creep Properties of Adhesives in Shear by Tension Loading
(Metal-to-Metal)
This standard is issued under the fixed designation D2294; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope those properties are affected by changes in adhesive formula-
tion or expected service conditions, including temperature,
1.1 This test method covers the determination of the creep
moisture level, and duration of loading.
properties of adhesives for bonding metals when tested on a
4.2 The relative size and simplicity of design of the spring-
standard specimen and subjected to certain conditions of
loadedapparatuspermitseasyportabilityandtransferfromone
temperature and tensile stress in a spring-loaded testing appa-
environment to the next without disturbing static loads.
ratus.
4.3 The relative simplicity of design with inexpensive
1.2 This test method is applicable to the temperature range
materials permits replication of creep tests at relatively low
from −55 to+260°C (−67 to +500°F).
costs.
1.3 The values stated in SI units are to be regarded as
standard. The inch-pound units in parentheses are for informa-
5. Apparatus
tion only.
5.1 Tension Creep Test Apparatus, as shown in Fig. 1. It
1.4 This standard does not purport to address all of the
shallconsistofahollowloadingchamber,asolidextensionrod
safety concerns, if any, associated with its use. It is the
with provisions for attachment of test specimens, and a
responsibility of the user of this standard to establish appro-
high-temperature-resistantspring. Atestingmachineconform-
priate safety and health practices and determine the applica-
ing to the requirements of Test Method D638 is required to
bility of regulatory limitations prior to use.
apply the static load.
2. Referenced Documents 5.2 Microscope, calibrated, having 1003 magnification.
2.1 ASTM Standards:
6. Test Specimens
D638 Test Method for Tensile Properties of Plastics
6.1 Test specimens shall conform to the shape and dimen-
D907 Terminology of Adhesives
sions shown in Fig. 2. These specimens are similar to the
D1002 TestMethodforApparentShearStrengthofSingle-
tension lap shear specimens described in Test Method D1002,
Lap-Joint Adhesively Bonded Metal Specimens By Ten-
3 except for the holes as shown in Fig. 2.
sion Loading (Metal-to-Metal)
6.2 Test at least three specimens for each set of standard
2.2 ASTM Adjuncts:
4 conditions of load, time, and temperature.
Tension Creep Test Apparatus
6.3 A complete description of these specimens and the
3. Terminology method of preparation is given in Sections 6, 7, and 8 of Test
Method D1002.
3.1 Definitions—Manytermsinthistestmethodaredefined
6.4 For creep measurements, polish the 12.7-mm ( ⁄2-in.)
in Terminology D907.
edgesofthebondedareaofeachtestspecimen,andscribewith
4. Significance and Use
three fine lines across the bondline (Fig. 1).
4.1 This test method is useful in research and development
7. Procedure
forcomparisonofcreeppropertiesofadhesives,particularlyas
7.1 Attach the test apparatus to a testing machine and
condition to a prescribed test temperature. Place a specimen
This test method is under the jurisdiction of ASTM Committee D14 on
within the load chamber of the test apparatus (Fig. 2), and
Adhesives and is the direct responsibility of Subcommittee D14.80 on Metal
attach to the chamber and load shaft by means of pins.
Bonding Adhesives.
Current edition approved Sept. 10, 1996. Published November 1996. Originally 7.2 Applytheloadbythetestmachineatarateof80to100
published as D2294–64T. Last previous edition D2294–92.
kgf/cm /min(1200to1400psi/min).Afterreachingthedesired
Annual Book of ASTM Standards, Vol 08.01.
Annual Book of ASTM Standards, Vol 15.06.
Detailed working drawings for the construction of the tensile creep test
apparatusareavailableatanominalcostfromASTMInternational,100BarrHarbor SpringssuitableforthisapparatusmaybeobtainedfromtheW.D.
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