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ASTM C114 – Standard Specification for Admixtures for Shotcrete Description: Abstract This specification covers materials proposed for use as admixtures to be added to a Portland-cement shotcrete mixture for the purpose of altering the properties of the mixture. The material shall be classified as Type I (dry mix shotcrete, with Grades 1-9) and Type II …

ASTM C113 – Standard Test Method for Thermal Diffusivity by the Flash Method Standard Test Method for Reheat Change of Refractory Brick Description: Significance and Use 3.1 Refractory brick and shapes of different compositions exhibit unique permanent linear changes after heating or reheating. This test method provides a standard procedure for heating various classes of refractories …

ASTM C109 – Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50 mm] Cube Specimens) Description: Significance and Use 4.1 This test method provides a means of determining the compressive strength of hydraulic cement and other mortars and results may be used to determine compliance with specifications. Further, this test method is …

ASTM C67 – Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile Description: Abstract These test methods cover procedures for the sampling and testing of brick and structural clay tile. The tests include modulus of rupture, compressive strength, absorption, saturation coefficient, effect of freezing and thawing, efflorescence, initial rate or absorption, and …

ASTM C16 – Standard Test Method for Load Testing Refractory Shapes at High Temperatures Description: Significance and Use 3.1 The ability of refractory shapes to withstand prescribed loads at elevated temperatures is a measure of the high-temperature service potential of the material. By definition, refractory shapes must resist change due to high temperature, and the ability …

ASTM B822 – Standard Test Method for Particle Size Distribution of Metal Powders and Related Compounds by Light Scattering Description: Significance and Use 5.1 Reported particle size measurement is a function of both the actual particle dimension and shape factor as well as the particular physical or chemical properties being measured. Caution is required when comparing …

ASTM B821 – Standard Guide for Liquid Dispersion of Metal Powders and Related Compounds for Particle Size Analysis Description: Significance and Use 4.1 The method of powder dispersion in a liquid has a significant effect on the results of a particle size distribution analysis. The analysis will show a too-coarse, unstable, or nonrepeatable distribution if the …

ASTM B214 – Standard Test Method for Sieve Analysis of Metal Powders Description: Significance and Use 4.1 The particle size distribution of a metal powder affects its behavior in PM processing and other applications of these materials. The test method may be part of the purchase agreement between powder supplier and user, or it may be …

ASTM B193 – Standard Test Method for Resistivity of Electrical Conductor Materials Description: Abstract This test method covers the determination of the electrical resistivity of metallic electrical conductor material. Weight resistivity accuracy may be adversely affected by possible inaccuracies in the assumed density of the conductor. The definition of resistivity and the equations for calculating …

ASTM B117 – Standard Practice for Operating Salt Spray (Fog) Apparatus Description: Significance and Use 3.1 This practice provides a controlled corrosive environment which has been utilized to produce relative corrosion resistance information for specimens of metals and coated metals exposed in a given test chamber. 3.2 Prediction of performance in natural environments has seldom been correlated …