Materials Characterization Services
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ASTM B499 – Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals Description: Significance and Use 5.1 The thickness of a coating is often critical to its performance. For most nonferrous coatings on steel, the magnetic method is reliable for measuring coating thickness nondestructively and is suitable …
ASTM B490 – Standard Practice for Micrometer Bend Test for Ductility of Electrodeposits Description: Scope 1.1 This practice describes a procedure for measuring the ductility of electrodeposited foils.2 1.2 This practice is suitable only for the evaluation of electrodeposits having low ductility. 1.3 The obtained ductility values must only be considered semi-quantitative because this test has a significant …
ASTM B489 – Standard Practice for Bend Test for Ductility of Electrodeposited and Autocatalytically Deposited Metal Coatings on Metals Description: Significance and Use 4.1 The routine measurement of the ductility of electrodeposited and autocatalytically deposited metal coatings can be useful in process control, especially when the electroplating process is used for decorative and engineering purposes. Scope …
ASTM B487 – Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section Description: Significance and Use 4.1 Coating thickness is an important factor in the performance of a coating in service and is usually specified in a coating specification. 4.2 This method is suitable for acceptance testing. Scope 1.1 This …
ASTM B457 – Standard Test Method for Measurement of Impedance of Anodic Coatings on Aluminum (Withdrawn 2023) Description: Abstract This test method describes the conditions and equipment for measuring the impedance of anodic coatings on aluminum. Such measurements have been used to evaluate the quality of seal of an anodic coating. The test method does …
ASTM B456 – Standard Specification for Electrodeposited Coatings of Copper Plus Nickel Plus Chromium and Nickel Plus Chromium Description: Abstract This specification establishes the requirements for several types and grades of electrodeposited copper plus nickel plus chromium and nickel plus chromium coatings on steel, copper, copper alloys, Type 300 and 400 series stainless steels, aluminum, …
ASTM B449 – Standard Specification for Chromates on Aluminum Description: Abstract This specification covers the requirements relating to rinsed and non rinsed chromate conversion coatings on aluminum and aluminum alloys intended to give protection against corrosion and as a base for other coatings. Aluminum and aluminum alloys are chromate coated in order to retard corrosion; …
ASTM B406 – Standard Test Method for Transverse Rupture Strength of Cemented Carbides Description: Significance and Use 3.1 This test method is used as a means of determining the quality of cemented carbide grade powders by measuring their sintered strength. It is performed on test specimens prepared to specified shape, dimensions, and surface finish; test specimens …
ASTM B390 – Standard Practice for Evaluating Apparent Grain Size and Distribution of Cemented Tungsten Carbides (Withdrawn 2010) Description: Significance and Use The apparent size and distribution of tungsten carbide grains in cemented carbides affects the material’wear resistance and fracture. For a given chemical composition, an increase in the average grain size will result in …
ASTM B380 – Standard Test Method for Corrosion Testing of Decorative Electrodeposited Coatings by the Corrodkote Procedure Description: Significance and Use 4.1 Nickel/chromium and copper/nickel/chromium electrodeposited coatings are widely used for decorative and protective applications. The Corrodkote test provides a method of controlling the quality of electroplated articles and is suitable for manufacturing control, as well …
