ASTM D897 PDF

ASTM D Standard Test Method for Tensile Properties of Adhesive Bonds. ASTM D determines comparative tensile properties of the adhesive bonds of metal to metal. ASTM D is primarily comparative. However, it does have. ASTM D TENSILE PROPERTIES OF ADHESIVE BONDS. This test method covers the determination of the comparative tensile properties of the adhesive.

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Metals conforming to the following ASTM speci? While the design of grips of this type is optional, one that has been found satisfactory is shown in Fig.

Contact failure refers to lack of glue lines being in contact due to uneven surfaces, poor pressure distribution, etc. Adhesion failure refers to the lack of adhering to metals being fastened. Have a question about conducting the test for this standard? Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

Adhesive Bond Tension Test Fixture

Unless otherwise agreed upon by the manufacturer and the purchaser, the bonding ast, shall be prescribed by the manufacturer of the adhesive. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

A dd897 in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Originally published as D — The grips shall be attached to the? Do this by grinding the adhesive-faced surface? Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxqstm service astm. We offer machines, apparatus, testers, tensile grips, test fixtures, clamps, holders, jigs, faces, jaws, extensometers, environmental and humidity chambers, furnaces, baths and custom solutions for unique applications.

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NOTE 1—Cohesive failure may be obtained by observing how much of the failure has occurred in the adhesive itself.

ASTM D Tensile Strength Test Equipment for Metal to Metal Adhesive Bonds

Use the self-aligning type. The values given in parentheses are for information only. This will be based on a visual inspection.

That is, if the cement has adhered to the metal test pieces and no voids are visual, it represents a percent cohesive failure. Load ratings from 25 kN to kN 5, lbf tolbf Jaws move laterally in stationary position while grip body moves on adjustment Works well with round or flat specimens.

ASTM D determines comparative tensile properties of the adhesive bonds of metal to metal. Last previous edition D — The ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Describe the method of obtaining the thickness of the adhesive layer including procedure, location of asmt, and range of measurements.

However, it does have application as a discriminator in determining variations in adherend surface preparation parameters and adhesive environmental durability.

It is preferable to grind all metal specimens at the same time. Start test loading of the specimen as quickly as possible. Load ratings from kN to kN 22, lbf tolbf Best for higher force requirements. Force range of 5 kN to kN 1, lbf tolbf Adjustable test space The most popular choice for static tension and compression tests These dual column testers are available in both tabletop and floor standing models.

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Reuse of the specimens is allowed by resurfacing those surface areas that contained the adhesive. Current edition approved Oct. It is the responsibility of the user of this standard to establish appro1 This test method is under the jurisdiction of ASTM Committee D14 on Adhesives and is the direct responsibility of Subcommittee D By means of our adhesive testing expertise and modular product design, we will help find the testing solution that is right for you.

ASTM D is primarily comparative.

Test a substitute specimen to replace the discarded result. We are confident that we have what you are looking for. ASTM D e1. Precision and Bias 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 speci?

Express the result in grams per square millimetre pounds per square inch and if possible report to three signi?

ASTM D897 Tensile Strength Test Equipment for Metal to Metal Adhesive Bonds

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Forces up to 10 kN 2, lbf Low force tabletop systems Modular series of five frame options with adjustable test space Affordable testing d879 for tension, compression, bend, peel and much more. G Mechanical Wedge Grip.