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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 astj. 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? This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3.
The surface will exhibit a grey or lighter color. Material Sulfuric acid 6. This is especially true for stainless steel.
Magnesium Alloys Copper and Copper Alloys. 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.
ASTM International – Standard References for ASTM D – 01()
This test depends on the observation that a clean surface one that is chemically active or polar will hold a continuous? Aluminum oxide-impregnated atsm matting, glass-bead blasting and aluminum oxide cloth are typical acceptable abrasives.
Find Similar Items This product falls into the following categories. Some commercial compounds under the classi? Full-scale property tests should be run with the metal surfaces so prepared with the adhesive in question before accepting the process.
xstm Longer dwell times should be avoided. NOTE 4—Caution should be exercised during vapor degreasing of magnesium alloys. Link to Active This link will always route to the current Active version of the standard.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applica- 1 This guide is under the jurisdiction of ASTM Committee D14 on Adhesives and is the direct responsibility of Subcommittee D DuPont, Wilmington, DE 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.
This method should be used only in cases where other methods cannot be used. 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. Accept and continue Learn more about the cookies we use and how to change your settings.
Last previous edition D — 90 If a water-break-free condition is not observed on the treated surface, d6251 should not be used for bonding. 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.
The high reactivity of magnesium requires that corrosion-preventative coatings be applied for most service applications. Referenced Documents purchase separately The documents listed adtm are referenced within the subject standard but are not provided as part of the standard.
This guide covers procedures for preparing various wrought metal surfaces for adhesive bonding. Hand sanding, rubbing with metal wool, and wire brushing are the least effective methods. The surface should be recleaned until the test is passed.
This guide covers procedures for preparing various wrought metal surfaces for adhesive bonding. Abrasive and debris should be wiped or water rinsed from the surface. Contaminating operations in the area should be avoided. Exercise care to ensure that all abrasive materials grit, sand, cloth, sand paper, or brushes are free from contamination that may be spread or rubbed onto the steel. Box T, Carson, CA Distilled water should be used in the test, and a drainage time of about 30 s should be allowed.
This standard has been approved for use by agencies of the Department of Defense. Generally in production, a series of tanks containing the necessary solutions is arranged with overhead cranes to transport parts to be prepared.
The values given in parentheses are for information only. Solutions should be sampled periodically and d2561 for materials pertinent to the particular treatment method, such as, titration for hexavalent chromium CrO3iron, chlorides, aluminum, etc.
Originally published as D — The wide variety asrm individual alloys and heat treatments under each group, the fact that certain adhesives exhibit speci?
These paste systems can be made by adding fumed silica to the sulfuric-dichromic acid solutions.
ASTM D2651 – 01(2016)
Some of these coatings exhibit good surfaces for adhesive bonding. Worldwide Standards We can source any standard from anywhere in the world. Apply the adhesive immediately after the treatment. Procedure NOTE 3—The surface preparation methods for magnesium alloys are closely associated with corrosion prevention.
Several commercial products are available.
Norma ASTM D()
Click to learn more. Any trace of residual cleaning solution should be removed or a false conclusion may be made.
The methods may be revised or supplemented, as necessary, to include methods based on proven performance.