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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Tanks should be lined with suitable materials to resist the solutions, and methods for circulating the solutions and heating with temperature controls should be included if required. Search all products by. D2561 surface preparations have been accomplished by using paste-type etchants. Good bond strengths have resulted by bonding titanium alloys that have been anodized by proprietary processes.

Full-scale property tests should be run with the metal surfaces so prepared with the adhesive in question before accepting the process.

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

Rinsing may be done by spray or by dipping in a tank in which the water is circulated and constantly asm renewed by an atm Current edition approved Oct. Originally published as D — In production bonding of complicated or large parts, the time interval may exceed 8 h.

Previously bonded parts, such as honeycomb core materials, are usually not degreased due to difficulty in removing residue. Link to Active This link will always route to the current Active version of the standard. The methods may be revised or supplemented, as necessary, to include methods based on proven performance. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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Bond as soon as possible, but at least within the same working day. It does not address the preparation of cast metals. Thorough rinsing should follow. Referenced Documents purchase separately The documents listed below are referenced within the subject standard astj are not provided as part of the standard.

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. If you feel that your comments have atsm received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

Thorough rinsing follows, usually in warm to hot running water.

ASTM D2651 – 01(2016)

NOTE 1—No entirely foolproof method exists to determine bondability of a metal surface after preparation. The high reactivity of magnesium requires that corrosion-preventative coatings be applied for most service applications. Peening action of any blast process may work-harden the surface of some base metals. Procedures for aluminum alloys are well standardized, possibly because more bonding has been done with these alloys. Trial bonding followed by testing and evaluation against mechanical strength standards should be conducted to determine initial and continuous effectiveness of a method.

Usually, the time should not exceed 8 h and parts should be covered or wrapped in Kraft paper. The surface should be recleaned until the test is passed. Distilled water should be used in the test, and a drainage time of about 30 s should be allowed. It does not address the preparation of cast metals.

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A superscript epsilon e indicates an editorial change since the last revision or reapproval. Same mechanical methods as that employed in stainless steel and chemical etching by nitric-phosphoric acid solution may be used for carbon steel preparation. If continuous failures occur, the treating process itself should be analyzed to determine the cause of the problem.

Vapor blasting by water or steam and an abrasive is the most effective method and does not warp parts, if done carefully. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Generally, not more than two repeat treatments are permitted. Finishing voltages from 15 v2651 25 V are used. The major problem is in preventing oxidation of the surfaces. Thin sheet steel may be warped due to peening of the blasting abrasives.

Preliminary tests should be conducted to determine suitability of these processes before acceptance. This s2651 known as a water-break-free condition. Material Sulfuric acid 6.

Parts must be bonded immediately. Several commercial products are available. The useful life of solutions depends upon the number and size of the parts being prepared.

The surface is anodically etched again using a wrapped electrode and a deep-etching solution. Parts are suspended in the vapor zone above the hot liquid and allowed to remain until there is condensation and run off approximately 5 min.

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