Buy ASTM D R GUIDE FOR PREPARATION OF METAL SURFACES FOR ADHESIVE BONDING from SAI Global. Purchase your copy of ASTM D – 01() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. Find the most up-to-date version of ASTM D at Engineering

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Abrasive and debris should be wiped or water rinsed from the surface. Usually, the time should not exceed 8 h and parts should be covered or wrapped in Kraft paper. Trial bonding followed by testing and evaluation against mechanical strength standards should be conducted to determine initial and continuous effectiveness of a method.

Prepared surfaces can change their characteristics on standing and adhesives vary widely in their tolerance of adherend surface conditions. Apply the adhesive immediately after the treatment.

Search all products by. Records should indicate the continuous conditions of solutions, such as 2d651 of constituents added to bring solutions within limits, amount of contaminants present and date prepared see Methods D Adhesive bonds surface preparationCarbon steel, Copper, Copper alloy, Magnesium alloys, Metallic adhesives, Metal-to-metal contact, Stainless steel, Titanium alloys, Aluminum alloys-surface preparation for adhesive, bonding, Bond strength-adhesives metal-to-metalSurface preparation-adhesive bonding.

NOTE 1—No entirely foolproof method exists to determine bondability of a metal surface after preparation. Generally, not more than two repeat treatments are permitted. The d261 is anodically etched again using a wrapped electrode and a deep-etching solution.

Bond as soon as possible, but at least within the same working day. Click to learn aetm. Peening action of any blast process may work-harden the surface of some base metals.

Norma ASTM D()

Full-scale property tests should be run with the metal surfaces so prepared with the adhesive in question before accepting the process. Satisfactory surface preparations have been accomplished by using paste-type etchants.

Finishing voltages from 15 to 25 V are used. It produces a smut-free surface that can be treated by other chemical processes. Bond strengths obtained using either of these surface preparations are somewhat lower than those from the immersion processes.


The major problem is to apply sufficient thickness of coating to prevent corrosion, but not so thick that the bond fails within the coating. Rinsing may be done by spray or by dipping qstm a tank in which the water is circulated asmt constantly being renewed by an over?

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? This step is repeated if necessary until all visible contamination is removed. NOTE 9—If treating solution is to be used for a continuous operation or reused, it should be discarded after 4 to 6 h at the temperatures in This can be accomplished by wiping with a cloth wetted with a variety of commercial solvents, such as acetone, methyl ethyl ketone, lacquer thinner and naphtha.

Exercise care in using any mechanical method to prevent deep gouges or rough surfaces which are not conducive to good bonding.

ASTM D2651 – 01(2016)

This guide covers procedures for preparing various wrought metal surfaces for adhesive bonding. This guide covers procedures for preparing various wrought metal surfaces for adhesive bonding. Originally published as D asrm The adhesive or adhesive primer must be applied immediately after drying. Several commercial products qstm available. Hand sanding, rubbing with metal wool, and wire brushing are the least effective methods. It is not suitable for adhesives containing chlorides or for hot-bonding polyethylene.

After removing from any rinse the water-break test is commonly used.

If a water-break-free condition is not observed on the treated surface, it should not be used for bonding. Initial treatment is at about 5 to 10 V. You may experience issues viewing this site in Internet Explorer 9, 10 or The application of these paste systems allows for their use in fairly controlled areas. Accept and axtm Learn more about the cookies we use and how to change your settings. Sand blast, grit blast, or c2651 hone may be used. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.


Exercise r2651 care to ensure removal of all traces of the etchant. On the basis of the results of such an investigation, it may be possible to extend the length of time and establish standards for the interval between surface preparation and adhesive application aztm If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

Individual reprints single or multiple copies of this standard may be obtained by f2651 ASTM at the above address or at phonefaxor service astm. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Oxidation can occur in a very short time, even before the parts are dry.

ICS Number Code Wstm 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 use. Surface preparation for magnesium alloys which is closely associated with corrosion prevention shall involve vapor, alkaline-detergent solution, chromic acid, and sodium hydroxide acid degreasing; anodic treatment; and the use of conversion coatings and wash primers.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Current edition approved Oct. A pH reading or acid content of trichloroethane vapor degreasing solution, or both, should be obtained.

The surface is the cathode. The surface will exhibit a grey or lighter color. Thin sheet steel may be warped due to peening of the blasting abrasives.