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Wash, vaporize degrease, and brush or air blasted dry oil-free air surfaces to remove all traces of the abrasives.
Thorough rinsing follows, usually in warm to hot running water. Rinsing may be done by spray or by dipping in a tank in which the water is circulated and constantly being renewed by an over? NOTE 1—No entirely foolproof method exists to determine bondability of a metal surface after preparation. Commercially available proprietary solutions may be used.
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. Distilled water should be used in the test, and a drainage time of about 30 s should be allowed. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3.
Magnesium Alloys Copper and Copper Alloys. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.
Search all products by. Good bond strengths have resulted by bonding titanium alloys that have been anodized by proprietary processes. ICS Number Code This guide covers procedures for preparing various wrought metal surfaces for adhesive bonding.
NOTE 4—Caution should be exercised during vapor degreasing of magnesium alloys. Same mechanical methods as that employed in stainless steel and chemical etching by nitric-phosphoric acid solution may be used ashm carbon steel preparation.
A break in the water? Last previous edition D — 90 Apply the adhesive immediately f2651 the treatment. Find Similar Items This product falls into the following categories. Initial treatment is at about 5 to 10 V. Thorough rinsing should follow. Abrasive and debris should be wiped or water rinsed from the surface. DuPont, Wilmington, DE Aluminum oxide-impregnated nylon matting, glass-bead blasting and aluminum oxide cloth are typical acceptable abrasives.
ASTM D2651 – 01(2016)
The major problem is to apply sufficient thickness of coating to prevent corrosion, but not so thick that the bond fails within the coating. Procedures for aluminum alloys are asstm standardized, possibly because more bonding has been done with these alloys.
A pH reading or acid content of trichloroethane vapor degreasing asrm, or both, should be obtained. 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. Sand blast, grit blast, or vapor hone may be used.
The useful life of solutions depends upon the number and size of the parts being prepared.
Norma ASTM D()
Terminal voltages and current decay schedules are typically speci? Contaminating operations in the area should be avoided. Some of these coatings exhibit good asfm for adhesive bonding.
Refer to the appropriate literature adtm details on cleaning techniques and procedures. Your basket is empty. The wide variety of individual alloys and heat treatments under each group, the fact that certain adhesives exhibit speci? Box T, Carson, CA A number in parentheses indicates the year of last reapproval. Some commercial compounds under the classi?
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. 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.
Finishing voltages from 15 to 25 V are used. It does not address the preparation of cast asm. Users of this standard are expressly advised that determination of the validity of any such patent rights, and aetm risk of infringement of such rights, are entirely their own responsibility. Parts must be bonded immediately. The methods may be revised or supplemented, as necessary, to include methods based on qstm performance. The use of a Series stainless steel for such equipment is suggested.
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