NLW Adhesive Tensile & Shear Tester. NLW Adhesive Tensile & Shear Tester is professionally applicable to the determination of tensile, shearing, and. D Test Method for Tensile Strength of Adhesives by 1 This practice is under the jurisdiction of ASTM Committee D14 on Adhesives. Purchase your copy of ASTM D – 96() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards.
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This section examines the tensile butt joint, which is used to evaluate the tensile properties of adhesive joints see also Table 1.
Large, indefinable, stress concentrations at the periphery of the adhesive layer can be expected to render the strength data meaningless. A small misalignment can severely reduce strength data.
Rounding the adherend butt edges to a diameter equal to the adhesive thickness can facilitate their removal. Transfer of load to an adhesively bonded structure by tension, either directly or indirectly peelrepresents the most severe form of loading, since the strength of the joint relies on the tensile strength of the adhesive, which is low.
Give one of our application engineers a call today for help with creating the best budget and testing plan according to ASTM D The test is difficult to perform.
The values given in parentheses are for information only. Force range sstm 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.
It is good design practice, therefore, to ensure that the load is transferred by shear or compression and that direct or induced tensile stresses asm minimised. The cylindrical butt joint can be used to test thin bondlines in tension, torsion and compression.
In marked contrast, the stress state in the outer edges is highly complex, varying through the thickness of the adhesive layer. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
Forces up to 10 kN 2, lbf Low force tabletop systems Modular series of five frame options with adjustable test space Affordable testing option for tension, compression, bend, peel and much more. You may delete a document from your Alert Profile at any time.
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Specimens may be designed with either a circular or square cross-section. Care needs to be taken to ensure good alignment during specimen preparation i. This standard is not included in any packages. Circular cross-section specimens are usually used to facilitate manufacture and maintain symmetry.
By means of our adhesive testing expertise and modular product design, we will help find the testing solution that is right for you.
The average strength is taken as the applied load at failure divided by the bond area. Tensile stresses are virtually impossible to avoid, however there is a need for reliable test methods to measure the tensile properties of the adhesive. This test method is applicable to the testing of adhesives with various adherend materials in either similar or dissimilar combinations.
We are confident that we have what you are looking for. The reader should refer to the Astj standards relating to the testing of polymeric materials [ 12 ].
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to d095.
This standard is also available to be included in Standards Subscriptions. This effectively increases the bondline thickness at the outer edges of the bondline, and as a result non-linear stress effects may result, especially at elevated temperatures and exposure to high humidity environments [ 6—7 ].
Have a question about conducting the test for this standard? Link to Active This link will always route to the current Active version of the standard.
If the document is revised or amended, you will be notified by email. Both circular and square cross-sections, 10 to 50 mm wide, are included within BS EN The adhesive in the bondline is restrained in the radial and circumferential directions by the adherends.
Qualitative adhesive property data only Strain measurements difficult High shear and peel stresses at bondline edges Strength sensitive to spew fillet Sensitive to specimen misalignment Limited to thick and rigid adherends Failure attributed to peel stresses Special bonding fixture required.