ASTM D897-08(2016)

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: D897 − 08 (Reapproved 2016)
Standard Test Method for
Tensile Properties of Adhesive Bonds
This standard is issued under the fixed designation D897; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
INTRODUCTION
The accuracy of the results of strength tests of adhesive bonds will depend on the conditions under
which the bonding process is carried out. Unless otherwise agreed upon by the manufacturer and the
purchaser, the bonding conditions shall be prescribed by the manufacturer of the adhesive. In order to
ensure that complete information is available to the individual conducting the tests, the manufacturer
of the adhesive shall furnish numerical values and other specific information for each of the following
variables:
(1) Procedureforpreparationofsurfacespriortoapplicationoftheadhesive,includingthecleaning
and drying of metal surfaces, and special surface treatments which are not specifically limited by the
pertinent test method.
(2) Complete mixing directions for the adhesive.
(3) Conditions for application of the adhesive including the rate of spread or thickness of film,
number of coats to be applied, whether to be applied to one or both surfaces, and the conditions of
drying where more than one coat is required.
(4) Assembly conditions before application of pressure, including the room temperature, length of
time, and whether open or closed assembly is to be used.
(5) Curing conditions, including the amount of pressure to be applied, the length of time under
pressure, and the temperature of the assembly when under pressure. It should be stated whether this
temperature is that of the bond line, or of the atmosphere at which the assembly is to be maintained.
(6) Conditioning procedure before testing, unless a standard procedure is specified, including the
length of time, temperature, and relative humidity.
Arangemaybeprescribedforanyvariablebythemanufactureroftheadhesiveifitcanbeassumed
by the test operator that any arbitrarily chosen value within such a range or any combination of such
values for several variables will be acceptable to both the manufacturer and the purchaser of the
adhesive.
1. Scope 1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1.1 This test method covers the determination of the com-
responsibility of the user of this standard to establish appro-
parative tensile properties of the adhesive bonds of metal to
priate safety and health practices and determine the applica-
metal when tested on standard shape specimens and under
bility of regulatory limitations prior to use.
defined conditions of pretreatment, temperature, and testing
machine speed.
2. Referenced Documents
1.2 The values stated in SI units are to be regarded as the
2.1 ASTM Standards:
standard. The values given in parentheses are for information
B16/B16M Specification for Free-Cutting Brass Rod, Bar
only.
and Shapes for Use in Screw Machines
This test method is under the jurisdiction of ASTM Committee D14 on
Adhesives and is the direct responsibility of Subcommittee D14.80 on Metal
Bonding Adhesives. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved May 1, 2016. Published May 2016. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1949. Last previous edition approved in 2008 as D897 – 08. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/D0897-08R16. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D897 − 08 (2016)
B107/B107M Specification for Magnesium-Alloy Extruded
Bars, Rods, Profiles, Tubes, and Wire
B133 Specification for Copper Rod, Bar,And Shapes (With-
drawn 1994)
B139/B139M Specification for Phosphor Bronze Rod, Bar,
and Shapes
B151/B151M Specification for Copper-Nickel-Zinc Alloy
(Nickel Silver) and Copper-Nickel Rod and Bar
B211 Specification for Aluminum and Aluminum-Alloy
Rolled or Cold Finished Bar, Rod, and Wire
D907 Terminology of Adhesives
E4 Practices for Force Verification of Testing Machines
2.2 Other Documents:
AISI 1020 Steel Code Tables
3. Terminology
3.1 Many of the terms used in this test method are defined
in Terminology D907.
4. Significance and Use
4.1 This test method is primarily comparative. However, it
does have application as a discriminator in determining varia-
tions in adherend surface preparation parameters and adhesive
Corrosion Preventive Finish
environmental durability. The test method has found applica-
in. mm
tions in controlling surface preparations, primer, and adhesive
⁄16 1.5
systems for determining strength properties of tested systems.
⁄16 4.75
0.3125 7.9375
⁄32 15.1
5. Apparatus
⁄4 19
⁄32 24.6
5.1 Testing Machine, has a force measurement accuracy of
61 % when calibrated in compliance with Practices E4 re- 1
1 ⁄8 28
1 ⁄16 36
quirements and capable of maintaining a specified rate of
1 ⁄16 43.3
lading and comprising essentially the following:
2 ⁄4 70
5.1.1 Fixed Member—A fixed or essentially stationary
member, carrying one grip. FIG. 1 Test Grips (Cold-Rolled Steel)
5.1.2 Movable Member, carrying a second gr
...