Materials Characterization Services
Search for Analytical Techniques and Test Methods
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ASTM D5188 – Standard Test Method for Vapor-Liquid Ratio Temperature Determination of Fuels (Evacuated Chamber and Piston Based Method) Description: Significance and Use 5.1 The tendency of a fuel to vaporize in automotive engine fuel systems is indicated by the vapor-liquid ratio of the fuel. 5.2 Automotive fuel specifications generally includeT(V/L = 20) limits to ensure products of suitable volatility …
ASTM D5187 – Standard Test Method for Determination of Crystallite Size (Lc) of Calcined Petroleum Coke by X-Ray Diffraction Description: Significance and Use 5.1 The crystallinity of petroleum coke, as reflected by the Lc value, is a general measure of quality affecting suitability for end use and is a function of the heat treatment. 5.2 The crystallite thickness is …
ASTM D5186 – Standard Test Method for Determination of the Aromatic Content and Polynuclear Aromatic Content of Diesel Fuels By Supercritical Fluid Chromatography Description: Significance and Use 5.1 The aromatic hydrocarbon content of motor diesel fuels is a factor that can affect their cetane number and exhaust emissions. 5.2 The United States Environmental Protection Agency (USEPA) regulates …
ASTM D5185 – Standard Test Method for Multielement Determination of Used and Unused Lubricating Oils and Base Oils by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES) Description: Significance and Use 5.1 This test method covers the rapid determination of 22 elements in used and unused lubricating oils and base oils, and it provides rapid screening of …
ASTM D5184 – Standard Test Methods for Determination of Aluminum and Silicon in Fuel Oils by Ashing, Fusion, Inductively Coupled Plasma Atomic Emission Spectrometry, and Atomic Absorption Spectrometry Description: Significance and Use 5.1 Catalyst fines in fuel oils can cause abnormal engine wear. These test methods provide a means of determining silicon and aluminum, the major …
ASTM D5183 – Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine Description: Significance and Use 5.1 This test method can be used to determine the coefficient of friction of lubricating fluids under the prescribed test conditions. The user of this test method should determine to his …
ASTM D5182 – Standard Test Method for Evaluating the Scuffing Load Capacity of Oils (FZG Visual Method) Description: Significance and Use 5.1 The transmission of power in many automotive and industrial applications is accomplished through the use of geared systems. At higher operating speeds it is well known that the lubricant/additive system can be a significant …
ASTM D518 – Standard Test Method for Rubber Deterioration-Surface Cracking (Withdrawn 2008) Description: Significance and Use In the development of rubber compounds for use in applications where ozone cracking is objectionable, it is necessary to have a test in which simple comparative performance for resistance to cracking can be evaluated. This test method can be …
ASTM D5179 – Standard Test Method for Measuring Adhesion of Organic Coatings in the Laboratory by Direct Tensile Method Description: Significance and Use 4.1 The pull-off strength (commonly referred to as adhesion) of a coating is an important performance property that has been used in specifications. This test method serves as a means for uniformly preparing …
ASTM D5178 – Standard Test Method for Mar Resistance of Organic Coatings Description: Significance and Use 5.1 In some situations, marring of coatings applied to substrates under typical use conditions is unacceptable. This test method has been found useful in differentiating the degree of marring of coatings on substrates. It is most useful in providing relative …
