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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7721-5
... in a postprocessing step, and the final parts are isolated. The final 3D printed parts are characterized, and the density of the final parts is essentially equivalent to commercially injection-molded thermoplastics. Scanning electron microscopy analysis is utilized to diligently characterize the part surfaces...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2019
ISBN: 978-0-8031-7684-3
... Adjuvants are known to enhance spray droplet retention on leaf surfaces and penetration of herbicide active ingredients through cuticles due to changes in physical properties such as density, viscosity, surface tension (SFT), and contact angle (CA) increasing leaf wettability. However, previous...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2019
ISBN: 978-0-8031-7089-6
... such as water or sludge. The nonpetroleum fractions are eliminated leaving only the petroleum quantity. Petroleum expands and contracts with temperature. This chapter describes a method of calculating petroleum to a standard temperature using observed density, temperature, and pressure. The standard temperature...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2019
ISBN: 978-0-8031-7089-6
... stresses. The various bench test methods are reviewed. viscosity kinematic viscosity dynamic viscosity shear stability high-temperature high-shear viscosity density SUS Cannon-Fenske Ubbelohde Zeithfuchs Houilion viscosity index Chapter 43 | Flow Properties and Shear Stability Kenneth O...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2017
ISBN: 978-0-8031-7085-8
... in fuel systems, which feed on fuel or one another. density gravity sump sampling testing jar bucket hydrometer thermohydrometer flash point conductivity visual appearance API IP EI electrostatic Microsep WSIM Msep contamination cans shipment surfactants FSII Prist...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2015
ISBN: 978-0-8031-7621-8
... formula used in commercially manufactured wallboard for fire barrier systems. The analysis of the data identified significant changes in density and hardness of the gypsum casts related to the addition of Petalite and Gerstley borate. gypsum anhydrite wallboard borate DTA/TGA FTIR Raman XRD...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2013
ISBN: 978-0-8031-7556-3
... objective method to classify the soil–ice mass. This paper investigates the relationship between water content and density to frozen-soil classification. It was found that the water/ice content and dry density within the same frozen-soil class varies significantly, which may lead to different mechanical...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2012
ISBN: 978-0-8031-7537-2
... ASTM C1688-08 currently contains only a single-operator standard deviation for the density criterion for determining allowable range. The adequacy of this criterion was put to the test in recent research undertaken for the Tennessee Concrete Association (TCA). Twenty replications of three...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2004
ISBN-10: 0-8031-3474-6
ISBN: 978-0-8031-3474-4
.... The molecular weight of the starting material and the irradiation source both had effects on the final properties while the fabricated form did not. Wear testing of selected groups indicated that there was a direct correlation with irradiation dose but not with the crosslink density (as calculated from...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2883-5
ISBN: 978-0-8031-2883-5
... and to eliminate cavitation as a root cause of wear. The importance of proper inlet conditions on hydraulic system performance is reviewed. The effect of physical properties, including vapor pressure, viscosity, density and bulk modulus on cavitation, as well as the idea of a pump-specific critical cavitation...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2867-3
ISBN: 978-0-8031-2867-5
.... transient impact fourier FFT friction density dilatation pressure tribology EHD EHL lubricant oil ball bar wave beam B.-Ohrstr6m 1 Investigation of Frictional Properties of Lubricants at Transient EHD-Conditions Referencehrstr6m, B.-O., "Investigation of Frictional Properties...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2859-2
ISBN: 978-0-8031-2859-0
... Engineers of the Natural Resources Conservation Service (formerly the Soil Conservation Service), USDA, instituted a testing program to determine the reliability and reproducibility of several types of field density test methods. Tests were performed at several embankment construction sites...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2859-2
ISBN: 978-0-8031-2859-0
... Measurement of soil density and water content in compacted fills is the principal means of quality control to assure adequate performance. Current testing methods have various limitations, including the use of hazardous materials, limitations in accuracy, the need for extensive calibration...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2604-2
ISBN: 978-0-8031-2604-6
... Nuclear gauge density measurements are routinely used for compliance verification with specifications for road and construction projects. The density of construction materials is an important indicator of structural performance and quality. Due to speed of measurement, flexibility and accuracy...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2604-2
ISBN: 978-0-8031-2604-6
... In recent years natural water content and density determinations have been carried out in the stiff clay deposits on Montreal's Island by means of nuclear depth probes. The probes are lowered down aluminum access tubes that are permanently inserted into the ground, thus providing a means...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1998
ISBN-10: 0-8031-2485-6
ISBN: 978-0-8031-2485-1
... Density and sintering temperature effects were investigated with FL4405 low alloy P/M high strength steel. Monotonic tensile stress-strain, plane strain fracture toughness and fatigue behavior of smooth, notched and cracked specimens were investigated under both constant and variable amplitude...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2024-9
ISBN: 978-0-8031-2024-2
... density and smoothness. The contractor is also required to have a QC program to monitor the non-pay items of the job mix design. The contractor uses the data to make the decision to proceed, make corrections or shut down. The area TxDOT office is responsible for testing split samples taken...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1995
ISBN-10: 0-8031-2018-4
ISBN: 978-0-8031-2018-1
... agreement with the calculated values. Various test conditions and material properties of the specimen that cause such error are also discussed. Collision coefficient of restitution velocity kinetic energy density Rajesh G. ChandavaleI and Tamal Duttaz CORRECTION OF CHARPY IMPACT VALUES...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1444-3
ISBN: 978-0-8031-1444-9
... could be used to determine near-surface density variations in the billets. Multiple nondestructive evaluation (NDE) techniques (eddy current, ultrasonics, and resistivity) could be employed to quantify microstructural characteristics of composite extrusions. These results indicate that NDE methods can...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1420-6
ISBN: 978-0-8031-1420-3
... A project to survey the quality of installed loose-fill insulation in Georgia residences resulted in several hundred attic inspections to measure insulation thickness and density. Thermal resistance (R-values) for various types of attic insulation have been calculated using generalized...