Dynamic Young’s Modulus, Shear Modulus, and Poisson’s Ratio for Advanced Ceramics ASTM C1259

Scope: The elastic properties of advanced ceramics such as dynamic young’s modulus, shear modulus, and Poisson’s ratio are determined using the ASTM C1259 test method, which involves impulse excitation of vibration. For quality control and acceptance of test specimens of both regular and complex shapes, this method can be employed to detect resonance frequencies alone. ...

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Measurement of Viscosity of Glass by Viscous Compression ASTM C1351M

Scope: ASTM C1351 test method is essential for measuring the viscosity of glasses between the range within which rotational viscometry and the field in which beam bending viscometry are helpful. It can be used to calculate the temperature/viscosity curve near the softening point. ASTM C1351 is useful for offering information about the behavior of glass....

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Nanoparticles of Ceramics Using X-Ray Gravity Sedimentation ASTM C1730

Scope: The ASTM C1730 standard is helpful for the producer and user of ceramic powders. Manufacturers rely on the ASTM C1730 test data’s validity for its use in specification preparation or predicting the quality of the materials examined.The ASTM C1730 standards can be applied to other ceramic materials based on their property of X-ray absorption....

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Wire-Cloth Sieve Analysis of Nonplastic Ceramic Powders ASTM C371

Scope: ASTM C371 is very important for determining the particle size distribution of powders which are then used to qualify those materials for their usefulness in the process under consideration. Particle size distributions play an essential role in properties like bulk density, dustiness, and handling characteristics. Wet-sieved is useful to disperse agglomerates before performing the...

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Determination of Free Moisture in Ceramic Clays ASTM C324

Scope: ASTM C324 provides the values of free moisture in the given clay ceramic sample that are very important to be measured and analyzed as shipping of moist clay items may become problematic. Removing the moisture in the oven makes the clay ceramics compact and durable for a longer period of time. Test Procedure: In...

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Drying and Firing Shrinkage of Ceramic Whiteware Clays ASTM C326

Scope: The shrinkage values of the ceramic whitewares should be known prior to their shipping as they affect the structure or the thickness of the material. Drying the ceramics makes it more durable and avoids any problems in the firing step. Granules obtained after firing are analyzed to get the desired type of ceramics. Test...

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Determination of ceramic surface area through physical adsorption ASTM C1274

Scope: The ASTM C1274 standard is suitable for measuring surface areas of enhanced ceramic powders up to 0.05 m2 (if krypton at 77.35 K is used as an adsorbent in combination with Nitrogen). Both Suppliers and customers of advanced ceramics can use this standard method of the ceramics for material improvement and comparison, product characterization,...

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Optical Retardation and Analyzing Stress in Glass ASTM F218

Scope: The ASTM F218 test method helps in quantitative evaluation of stresses. The performance of different glass products may be affected by the presence of residual process stresses, differential thermal expansion between cast components and inclusions                                                                                                                                                                          Test Procedure: In ASTM F218, the Stress field is evaluated by observing the sample, then directions and signs of...

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Chemical Analysis of Ceramic Clays ASTM C323

Scope: The chemical examination of clays by ASTM C323 holds enormous significance as the data obtained significantly impacts the technological characterization of the ceramic clays. It provides information on plasticity, drying and firing shrinkage, mechanical resistance, and forming capacity of the given clay sample. ASTM C323 can determine all the elements present in the clay...

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Determination of Mass Fraction of C, N, and O in Silicon Nitride Powder ASTM C1494

Scope: The ASTM C1494 test method is valid for the chemical analysis of a mass fraction of carbon, nitrogen, and oxygen in silicon nitride powder. These standard methods are used in the research, development, acceptance, production, and quality control of silicon nitride powders, which are utilized to produce ceramic components having silicon nitride content.                                                                                                                                                                                                                                                                          Test...

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Particle Size Distribution of Alumina by Laser Light Scattering ASTM C1070

Scope: Many manufacturers of testing equipment have units based on the principles described in ASTM C1070. Light scattering theory is important for determination of particle size that has been existing for many years. This method is useful to determine particle size distributions for manufacturing control, materials specifications, research and development for manufacturer and purchaser. Test...

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Viscosity of Glass by Beam Bending (Metric) ASTM C1350M

Scope: Finding the density of glass by ASTM C1350M is essential for measuring the viscosity of glasses in ranges higher than those covered by a parallel plate and rotational viscometry. This test method helps provide information related to the behavior of glass when it has been changed into an object of business and in research...

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Measurement of Glass Stress—Optical Coefficient ASTM C770

Scope: ASTM C770 is useful in determining the magnitude of residual thermal stresses for pre-stressing (tempering) or annealing glass. This standard test method is also helpful for deciding optical retardation for a beam of a glass of rectangular cross-section when subjected to uniaxial tension, four-point bending, and uniaxial compression. Stress-optical coefficients mainly determine stress in...

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Knoop Indentation Hardness of Glass ASTM C730

Scope: ASTM C730 has been made to compare Knoop indentation hardness with tensile strength, grinding speeds, and other hardness scales. Knoop hardness is one of many properties that is used for the characterization of glasses. Such kinds of conversions are partial in scope and should be used with caution. Test Procedure: In ASTM C730, the...

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Method to Find Density of Glass by Sink-Float Comparator ASTM C729

Scope: ASTM C729 is the most accurate method of finding densities of small-sized specimens of glass. This data holds colossal importance in quality control of production, development, and research on glass samples. This test can also be used for solids with higher densities by adding miscible liquids such as thallium malonate-formate (up to 5.0 g/cm3)....

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