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Description of ASTM-B905 2010ASTM B905 - 00(2010)Standard Test Methods for Assessing the Adhesion of Metallic and Inorganic Coatings by the Mechanized Tape TestActive Standard ASTM B905 | Developed by Subcommittee: B08.10 Book of Standards Volume: 02.05 ASTM B905Significance and Use If a coating is to fulfill its function of protecting or imparting unique properties to the surface of a substrate, it must adhere to the substrate for the expected service life. Because surface preparation (or lack of it) has a drastic effect on adhesion of coatings, a test method for evaluating adhesion to different surface treatments or of different coatings to the same treatment is of considerable use to the industry. The limitations of all adhesion methods, and the specific limitation of this test method to lower levels of adhesion (see 1.3) should be recognized before using it. These test methods are mechanized adaptations of Test Methods D3359 ; therefore, the intra- and interlaboratory precision of these test methods are similar to Test Methods D3359 and to other widely-accepted tests for coated substrates, for example, Test Method D2370 , but this is partly the result of it being insensitive to all but large differences in adhesion. The pass-fail scale of 0 to 5 for Method B1 and B2 was selected deliberately to avoid a false impression of being sensitive. 1. Scope 1.1 These test methods describe procedures for assessing the adhesion of metallic and inorganic coatings and other thin films to metallic and nonmetallic substrates. Assessment is made by applying pressure-sensitive tape to a coated surface and then utilizing a mechanical device to remove the tape at a regulated, uniform rate and constant angle while simultaneously recording the removal force. 1.2 Four methods are described. Methods A1 and A2 are intended primarily for use on parts. Methods B1 and B2 are intended primarily for use in laboratory evaluations. Methods B1 and B2 are not recommended for testing coatings and films on polymer substrates. 1.3 These test methods may be used to establish whether the adhesion of a coating to a substrate is within a required range (between a quantified low and a quantified high level). Determination of actual adhesive forces requires more sophisticated methods of measurement. In multilayer systems adhesion failure may occur between intermediate coating layers so that the adhesion of the total coating system to the substrate may not necessarily be determined. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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 Standards B183 Practice for Preparation of Low-Carbon Steel for Electroplating B242 Guide for Preparation of High-Carbon Steel for Electroplating B252 Guide for Preparation of Zinc Alloy Die Castings for Electroplating and Conversion Coatings B253 Guide for Preparation of Aluminum Alloys for Electroplating B254 Practice for Preparation of and Electroplating on Stainless Steel B281 Practice for Preparation of Copper and Copper-Base Alloys for Electroplating and Conversion Coatings B320 Practice for Preparation of Iron Castings for Electroplating B343 Practice for Preparation of Nickel for Electroplating with Nickel B480 Guide for Preparation of Magnesium and Magnesium Alloys for Electroplating B481 Practice for Preparation of Titanium and Titanium Alloys for Electroplating B482 Practice for Preparation of Tungsten and Tungsten Alloys for Electroplating B537 Practice for Rating of Electroplated Panels Subjected to Atmospheric Exposure B538 Method of FACT (Ford Anodized Aluminum Corrosion Test) B629 Practice for Preparation of Molybdenum and Molybdenum Alloys for Electroplating B630 Practice for Preparation of Chromium for Electroplating with Chromium B727 Practice for Preparation of Plastics Materials for Electroplating D1730 Practices for Preparation of Aluminum and Aluminum-Alloy Surfaces for Painting D1731 Practices for Preparation of Hot-Dip Aluminum Surfaces for Painting D1732 Practices for Preparation of Magnesium Alloy Surfaces for Painting D2370 Test Method for Tensile Properties of Organic Coatings D3330/D3330M Test Method for Peel Adhesion of Pressure-Sensitive Tape D3359 Test Methods for Measuring Adhesion by Tape Test Keywords Adhesion--coatings; Destructive testing--coatings; Inorganic coatings; Mechanized tape test; Metallic coatings; Nondestructive evaluation (NDE)--metallic/inorganic coatings; Polymeric substrates; Pressure-sensitive tapes; Substrates--coating applications; Substrates--metallic; Thin film applications; ICS Code ICS Number Code 25.220.40 (Metallic coatings) DOI: 10.1520/B0905-00R10 ASTM International is a member of CrossRef. ASTM B905This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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