ASTM D2651 PDF

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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Last previous edition D — 90 Current edition approved Oct. Contaminating operations in the area should be avoided. A thorough rinsing with distilled water may be necessary to ensure complete removal. Worldwide Standards We can source any standard from anywhere in the world.

Find Similar Items This product falls into the following categories. In production bonding of complicated or large parts, the time interval may exceed 8 h. Learn more about the cookies we use and how to change your settings. 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.

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 Other methods, such as indicator paper and contact angle, have been used to determine the effectiveness of the process.

ASTM D – 01 Standard Guide for Preparation of Metal Surfaces for Adhesive Bonding

Take the smart route to manage medical device compliance. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Generally in production, a series of tanks containing the necessary solutions is arranged with overhead cranes to transport parts to be prepared.

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Peening action of any blast process may work-harden the surface of some base metals. Bond strengths obtained using either of these surface preparations are somewhat lower than those from the immersion processes. Abrasive and debris should be wiped or water rinsed from the surface. Usually, the time d2615 not exceed 8 h and parts should be covered or wrapped in Kraft paper. If a water-break-free condition is not observed on ashm treated surface, it should not be used for bonding.

Nitric acid-ferric chloride solution degreasing; sulfuric acid-dichromate-ferric sulfate solution etching; and chemical treatment by nitric-acid-sodium chlorite solutions may be used d651 copper and copper alloy preparation.

Exercise extreme care to ensure removal of all traces of the etchant. Individual reprints single or multiple copies d26651 this standard may be obtained by contacting ASTM at the above address or at phonefax aastm, or service astm. The useful life of solutions depends upon the number and size of the parts being prepared. Preliminary tests should be conducted to determine suitability of these processes before acceptance.

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Nitric acid-ferric chloride solution degreasing; sulfuric acid-dichromate-ferric sulfate solution etching; and chemical treatment by nitric-acid-sodium chlorite solutions may ast used for copper and copper alloy preparation. Standards should be established and records kept for such tests on each lot or vat of solution. Preliminary tests should be conducted with the speci? Sand blast, grit blast, or vapor hone may be used.

ASTM D2651 – 01(2016)

Historical Version s – view previous versions of standard. Finishing voltages from 15 to 25 V are used.

This step is repeated if necessary until all visible contamination is removed. Full-scale property tests should be run with the metal surfaces so prepared with the adhesive in atsm before accepting the process.

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The high reactivity of magnesium requires that corrosion-preventative coatings be applied for most service applications. 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.

Rinsing may be done by spray or by dipping s2651 a tank in which the water is circulated and constantly being renewed by an over? Your basket is empty. Records should indicate the continuous conditions of solutions, such e2651 amount of constituents added to bring solutions within limits, amount of contaminants present and date prepared see Methods D Material Sulfuric acid 6.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? After removing from any rinse the water-break test is commonly used.

Surface treatment methods involving both mechanical and chemical aetm are included for aluminum alloys, stainless steel, carbon steel, titanium alloys, magnesium alloys, and copper and copper alloys.

Terminal voltages and current decay schedules are typically speci? A superscript epsilon e indicates an editorial change since the last revision or reapproval. It is informational only and ashm an official part of the standard; the full text of the standard itself must be referred to for its use and application.

The etching time is generally 10 to 20 min. Other xstm may be used if they are resistant to the solution used. The major problem is in preventing oxidation of the surfaces. The surface will exhibit a grey or lighter color.

Refer to the appropriate literature for details on cleaning techniques and procedures. The values given in parentheses are for information only.