- Trained on our vast library of engineering resources.
loading
ARP6911 - Horizontal Balancing Systems - Isolating Repeatability Issues in Challenging Applications
June 5, 2023 - SAE International

This SAE Aerospace Recommended Practice will serve as a practical resource that offers guidance to both the machine operator and process engineer for isolating the source(s) of non-repeatability in measured unbalance data. The content of this standard addresses: Machine capability to achieve the...

ASTM C114-23 - Standard Test Methods for Chemical Analysis of Hydraulic Cement
October 1, 2023 - ASTM International

These test methods cover the chemical analyses of hydraulic cements. Specific chemical test methods are grouped as reference test methods and alternative test methods. The reference test methods are long accepted classical chemical test methods which provide a reasonably well-integrated basic...

ASTM D5141-23 - Standard Test Method for Determining Filtering Efficiency and Flow Rate of the Filtration Component of a Sediment Retention Device
September 1, 2023 - ASTM International

1.1 This test method is used to determine the filtering efficiency and the flow rate of the filtration component of a sediment retention device, such as a silt fence, silt barrier, or inlet protector. 1.1.1 The results are shown as a percentage for filtering efficiency and cubic metres per square...

ASTM C1223-19(2023) - Standard Test Method for Testing of Glass Exudation from AZS Fusion-Cast Refractories
August 1, 2023 - ASTM International

1.1 This test method covers a procedure for causing the exudation of a glassy phase to the surface of fusion-cast specimens by subjecting them to temperatures corresponding to glass furnace operating temperatures. 1.2 This test method covers a procedure for measuring the exudate as the percent of...

ASTM C138/C138M-23 - Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
August 1, 2023 - ASTM International

This test method covers determination of the density of freshly mixed concrete and gives formulas for calculating the unit weight, yield or relative yield, cement content, and air content of the concrete. Yield is defined as the volume of concrete produced from a mixture of known quantities of the...

ASTM F2245-23 - Standard Specification for Design and Performance of a Light Sport Airplane
July 1, 2023 - ASTM International

This specification covers airworthiness requirements for the design of powered fixed wing light sport aircraft, an "airplane." In order to comply with flight requirements, the following shall be evaluated: load distribution limit, propeller speed and pitch limit, stalling speed, takeoff, climb,...

ASTM D280-01(2023) - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
June 1, 2023 - ASTM International

These test methods establish the standard procedures for determining the hygroscopic moisture (and other matter volatile under the test conditions) in pigments. Method A shall be performed on pigments that do not decompose at a specified temperature. This method shall require the use of a...

ASTM D4718/D4718M-15(2023) - Standard Practice for Correction of Unit Weight and Water Content for Soils Containing Oversize Particles
August 1, 2023 - ASTM International

1.1 This practice presents a procedure for calculating the unit weights and water contents of soils containing oversize particles when the data are known for the soil fraction with the oversize particles removed. 1.2 This practice also can be used to calculate the unit weights and water contents of...

ASTM E741-23 - Standard Test Method for Determining Air Change in a Single Zone by Means of a Tracer Gas Dilution
July 1, 2023 - ASTM International

5.1 Effects of Air Change-Air change often accounts for a significant portion of the heating or air-conditioning load of a building. It also affects the moisture and contaminant balances in the building. Moisture-laden air passing through the building envelope can permit condensation and...

ASTM D8263/D8263M-23 - Standard Test Method for Determining the Change in Mass of Rolled Erosion Control Products When Submerged in Water
July 1, 2023 - ASTM International

1.1 This test method measures the change in mass of a rolled erosion control product when specimens are submerged in water for a prescribed period of time. The change in mass is reported as a percentage of the original dry mass of the specimen. 1.2 Units-The values stated in either SI units or...

ASTM D4030/D4030M-23 - Standard Specification for Glass Fiber Cord and Sewing Thread
June 1, 2023 - ASTM International

This specification covers the requirements for continuous glass filament sewing thread and untreated and neoprene treated, continuous filament cord; intended to assist ultimate users by designing the types of these products that are typical in the industry. The fiber shall be electrical grade, free...

ASTM D8114-23 - Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIE Spark Ignition
July 1, 2023 - ASTM International

1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fuel economy of passenger cars and light-duty trucks with gross vehicle weight 3856 kg or less. The tests are conducted using a specified spark-ignition engine with a...

ASTM D7709-12(2023) - Standard Test Methods for Measuring Water Vapor Transmission Rate (WVTR) of Pharmaceutical Bottles and Blisters
May 1, 2023 - ASTM International

1.1 The three test methods described herein are for measurement of water vapor transmission rates (WVTRs) of high-barrier multiple-unit containers (bottles), high-barrier single-unit containers (blisters), and quasi-barrier single-unit containers used for packaging pharmaceutical products. The...

ASTM F3637-23 - Standard Guide for Additive Manufacturing of Metal — Finished Part Properties — Methods for Relative Density Measurement
May 15, 2023 - ASTM International

1.1 In this standard, guidelines for measuring post-manufacturing relative density of metallic additive manufactured (AM) parts and density assessment test specimens are given. 1.2 In this guide, standard test methods commonly used to measure part relative density and details any procedural changes...

ASTM D1582-98(2023) - Standard Test Method for Nonvolatile Content of Liquid Phenol, Resorcinol, and Melamine Adhesives
May 1, 2023 - ASTM International

This test method covers the determination of nonvolatile content or total solids of liquid phenol, resorcinol, and melamine adhesives with or without hardener added and containing high-boiling and low-boiling volatile organic solvents or water, or both. The equipments to be used in the test shall...

ASTM E2432-23 - Standard Guide for General Principles of Sustainability Relative to the Built Environment
April 1, 2023 - ASTM International

1.1 There are three general principles of sustainability: environmental, economic, and social. This guide covers application of the fundamental concepts and associated characteristics for each of the general principles of sustainability to the built environment. 1.2 This guide identifies general...

ASTM D3875-15(2023) - Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines
April 1, 2023 - ASTM International

5.1 Alkalinity as carbonate and bicarbonate of saline water is very important in chemical waterflooding or tertiary recovery processes for recovering petroleum. Alkaline waters offer better wetting to the formation rock and improve oil release. As an additional benefit, ions that provide alkalinity...

ASTM E1765-16(2023) - Standard Practice for Applying Analytical Hierarchy Process (AHP) to Multiattribute Decision Analysis of Investments Related to Projects, Products, and Processes
May 1, 2023 - ASTM International

5.1 The AHP method allows you to generate a single measure of desirability for project/product/process alternatives with respect to multiple attributes (qualitative and quantitative). By contrast, life-cycle cost (Practice E917), net savings (Practice E1074), savings-to-investment ratio (Practice...

ASTM C1674-23 - Standard Test Method for Flexural Strength of Advanced Ceramics with Engineered Porosity (Honeycomb Cellular Channels) at Ambient Temperatures
June 1, 2023 - ASTM International

5.1 This test method is used to determine the mechanical properties in flexure of engineered ceramic components with multiple longitudinal hollow channels, commonly described as "honeycomb" channel architectures. The components generally have 30?% or more porosity and the cross-sectional dimensions...

ASTM B664-18(2023) - Standard Specification for 80?% Silver-20?% Graphite Sliding Contact Material
April 1, 2023 - ASTM International

1.1 This specification defines the criteria for composition and other requirements for brushes with a nominal silver content of 80?%, by weight, with the balance being substantially graphite. 1.2 The values stated in inch-pound units are to be regarded as standard. No other units of...

Advertisement