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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.
ASTM D – 01 Standard Guide for Preparation of Metal Surfaces for Adhesive Bonding
Tanks should be lined with suitable materials to resist the solutions, and methods for circulating the solutions 2d651 heating with temperature controls should be included if required. Exercise extreme care to ensure removal of all traces of the etchant.
Refer to the appropriate literature for details on cleaning techniques and procedures. Wash, vaporize degrease, and brush or air blasted dry oil-free air surfaces to remove all traces of the abrasives. Prepared surfaces can change their characteristics on standing and adhesives vary widely in their tolerance of adherend surface conditions. Usually, the time should not exceed 8 h and parts should be covered or wrapped in Kraft paper.
Do not allow to dry. The values given in parentheses are for information only. You may experience issues viewing this site in Internet Explorer 9, 10 or Worldwide Standards We can source any standard from anywhere in the world.
A superscript epsilon e indicates an editorial change since the last revision or reapproval. A break in the water?
Surface treatment methods involving both mechanical and chemical techniques are included for aluminum alloys, stainless steel, carbon steel, titanium alloys, magnesium alloys, and copper and copper alloys. Some of these coatings exhibit good surfaces for adhesive bonding. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
The surface is the cathode. NOTE 1—No entirely foolproof method exists to determine bondability of a metal surface after preparation. Vapor blasting by water or steam and an abrasive is the most effective method and does not warp parts, if done carefully. If continuous failures occur, the treating process itself should be analyzed to determine the cause of the problem.
Same mechanical methods as that employed in stainless steel and chemical etching by nitric-phosphoric acid solution may be used for carbon steel preparation. The values given in parentheses are for information d26511. The adhesive or adhesive primer must be applied immediately after drying. Individual reprints single or multiple copies of this standard may aetm obtained by contacting ASTM at the above address or at phonefaxor service astm.
A number in parentheses indicates the year of last reapproval. Contaminating operations in the area should be avoided. Several commercial products are available. Solutions should be sampled periodically and analyzed for materials pertinent to the particular treatment method, such as, titration for hexavalent chromium CrO3iron, chlorides, aluminum, etc. This guide covers procedures for preparing various wrought metal surfaces for adhesive bonding. Search all products by.
Surface treatment methods involving both mechanical and chemical techniques are included for aluminum alloys, stainless steel, carbon steel, titanium alloys, magnesium alloys, and copper and copper alloys.
Other metals may be used if they are resistant to the solution used. The methods may be revised or supplemented, as necessary, to include methods based on proven performance.
ASTM D2651 – 01(2016)
Accept and continue Learn more about the cookies we use and how aetm change your settings. Peening action of any blast process may work-harden the surface of some base metals. These paste systems can be made by adding fumed silica to the sulfuric-dichromic acid solutions.
The useful life of solutions depends upon the number and size of the parts being prepared. Finishing voltages from 15 to 25 D22651 are used. Apply the adhesive immediately after the treatment. DuPont, Wilmington, DE Your basket is empty. It does not address the preparation of cast metals. Last previous edition D — 90 The application of these paste systems allows for their use in fairly controlled areas.
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 use. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. After removing from any rinse the water-break test is commonly used. The number of times a process may be repeated depends upon the amount of metal removed in relation to the tolerance requirements for the part and whether clad or bare metal is used.
The methods may be revised or supplemented, as necessary, to include methods based on proven performance. This is known as a water-break-free condition. Originally published as D — It does not address the preparation of cast metals.