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Vapor blasting by water or steam and an abrasive is the most effective method and does not warp parts, if done carefully. 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.
Any trace of residual ast, solution should be removed or a false conclusion may be made. A pH reading or acid content of trichloroethane vapor degreasing solution, or both, should be obtained. Oxidation can occur in a very short time, even before the parts are dry. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
Records should indicate the continuous conditions of solutions, such as amount of constituents added to bring solutions within limits, amount of contaminants present and date prepared see Methods D The high reactivity of magnesium requires that corrosion-preventative coatings be applied for most service applications.
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.
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 for copper and copper alloy preparation. Standards should be established and records kept for such tests on each lot or vat of solution. Abrasive and debris should be wiped or water rinsed from the surface.
ASTM D – 01() – Standard Guide for Preparation of Metal Surfaces for Adhesive Bonding
Some commercial compounds under the classi? It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.
Same mechanical methods as that employed in stainless steel and chemical etching by nitric-phosphoric aastm solution may be used for carbon steel preparation.
Last previous edition D — 90 Historical Version s – view previous versions of standard. Your basket is atsm. The values given in parentheses are for information only. Bond as soon as possible, but at least within the same working day. Commercially available proprietary solutions may be used.
Good bond strengths have resulted by bonding titanium alloys that have been anodized by proprietary processes. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
ASTM D2651 – 01(2016)
We use d2615 to make our website easier to use and to better understand your needs. The wide variety of individual alloys and heat treatments under each group, the fact that certain adhesives exhibit speci? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
The application of these paste systems allows for their use in fairly controlled areas. A number in parentheses indicates the year of last reapproval.
NOTE 4—Caution should be exercised during vapor degreasing of magnesium alloys. 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.
Norma ASTM D()
Previously bonded parts, such as honeycomb core materials, are usually not degreased due to difficulty in removing residue. Magnesium Alloys Copper sstm Copper Alloys. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. D22651 action of any blast process may work-harden the surface of some base metals. The methods may be revised or supplemented, as necessary, to include methods based on proven performance. Originally published as D — The surface should be recleaned until the test is passed.