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Piston ring/liner interface can contribute as much as half the total friction loss in internal combustion engines, with the resulting wear leading to reduced energy efficiency and raised emissions. A new ASTM International standard provides a method to more accurately measure small amounts of wear on curved piston ring segments and their counterfaces after lubricated bench-scale testing. “Coupled…
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New regulations set forth by the U.S. Environmental Protection Agency to mandate greenhouse gas reporting in the U.S. carbon black industry have led to the development of a new ASTM International standard, ASTM D7662 , Test Method for Carbon Content in Carbon Black Feedstock Oils. ASTM D7662 is under the jurisdiction of Subcommittee D24.66 on Environment, Health and Safety, part of ASTM…
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ASTM Committee G02 on Wear and Erosion is including a field trip in the plans for its Dec. 8-9 meeting in Jacksonville, Fla. Committee members will be visiting the Tribology Laboratory in the mechanical engineering department at the University of Florida in Gainesville. The Tribology Laboratory is actively involved in a wide variety of tribological research and tribology education projects. The…
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The U.S. Environmental Protection Agency has set forth new regulations that mandate greenhouse gas reporting in the U.S. carbon black industry. These regulations were the impetus for the development of a new ASTM International standard, ASTM D7633 , Test Method for Carbon Black Carbon Content. The new standard was developed by Subcommittee D24.66 on Environment, Health and Safety, part of ASTM…, ASTM Committee D24 Next Meeting:, Dec. 6-8, December Committee Week, New Orleans, La., Technical Contact:, George Joyce, Columbian Chemicals Co., Marietta, Ga., Phone: 770-792-9467; gjoyce@columbianchemicals.com, ASTM Staff Contact:, Joe Koury, Phone: 610-832-9804; jkoury@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8641
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A new ASTM standard will be useful to slide and engine companies, as well as makers of bushing materials, in studies that involve the measurement of system friction forces. The new standard, ASTM G203 , Guide for Determining Friction Energy Dissipation in Reciprocating Tribosystems, was developed by Subcommittee G02.50 on Friction, part of ASTM International Committee G02 on Wear and Erosion.…
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An increased interest in the polyaromatic hydrocarbon content of carbon black, particularly in Europe, and new U.S. Environmental Protection Agency requirements to report greenhouse gas emissions from U.S. industry including carbon black plants has led to the formation of a new ASTM subcommittee. Subcommittee D24.66 on Environment, Health and Safety is part of ASTM International Committee D24 on…
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Flow characteristics of fine metal powders are important in filling dies for pressing of powder metallurgy compacts, which are later sintered and sometimes machined into finished parts. The flow rate, as measured by a new ASTM standard, determines the flow necessary for a precise quantity of powder to be introduced into the die. The new standard, B964 , Test Methods for Flow Rate of Metal Powders…
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Two recently approved ASTM International standards provide user-friendly tests for properties of sintered metallurgy products. The new standards, developed by Subcommittee B09.04 on Bearings, are ASTM B962 , Test Methods for Density of Compacted or Sintered Power Metallurgy (PM) Products Using Archimedes’ Principle, and ASTM B963 , Test Methods for Oil Content, Oil-Impregnation Efficiency and…
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Subcommittee G02.10 on Erosion by Solids and Liquids, part of ASTM International Committee G02 on Wear and Erosion, is interested in hearing from anyone who uses cavitation erosion testing in their work. The objective of this survey is to help the subcommittee determine the current degree of interest in and importance of cavitation erosion test methods. The subcommittee is especially interested…
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A proposed new standard being developed by ASTM International Committee B09 on Metal Powders and Metal Powder Products offers a solution to the challenge of handling and characterizing very fine powders. Subcommittee B09.02 on Base Metal Powders is developing the proposed standard, WK13023 , Test Method for Determination of Tap Density of Metallic Powders by a Constant Volume Measuring Method. …