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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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Halon 1211 is employed in hand-held fire extinguishers on civilian aircraft. A new ASTM International standard will be used to test Halon 1211 to ensure that the product will provide the required level of fire protection and is free of harmful impurities that could affect its safety in use. ASTM D7673 , Specification for Halon 1211, Bromochlorodifluoromethane (CF2BrCl), was developed by…, ASTM Committee D26 Next Meeting:, June 15, 2011, June Committee Week, Anaheim, Calif., Technical Contact:, Mark L. Robin, DuPont Fluoroproducts, Wilmington, Del., Phone: 302-999-5002; mark.l.robin@usa.dupont.com, ASTM Staff Contact:, Christine DeJong, Phone: 610-832-9736; cdejong@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8791
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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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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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Producers of fluorocarbons are invited to join in the ongoing standards developing activities of ASTM International Committee D26 on Halogenated Organic Solvents and Fire Extinguishing Agents. The committee has recently approved a new standard, ASTM D7509 , Specification for Fluorocarbon Feedstock Grade Chloroform, under the jurisdiction of Subcommittee D26.08 on Halogenated Organics Used as…
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Finding ways to assure the quality and safe handling of fire extinguishing agents has led to the development of two new ASTM International standards, D 7323 , Practice for Handling, Transportation and Storage of IG-100 (Nitrogen), and D 7325 , Practice for Handling, Transportation and Storage of IG-541, N2, Ar, CO2. The new standards were developed by Subcommittee D26.09 on Fire Extinguishing…
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Providing users with an assurance of quality and ensuring the safe handling, transport and storage of fire extinguishing agents are the purposes of a new ASTM International standard, D 7327 , Specification for HFC Blend B (CH2FCF3, CHF2CF3 and CO2). The new standard was developed by Subcommittee D26.09 on Fire Extinguishing Agents, which is part of ASTM International Committee D26 on Halogenated…
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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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Subcommittee D26.09 on Fire Extinguishing Agents is dedicated to developing standards that provide end users with an assurance of quality in fire extinguishing agents, as well as to ensure the safe handling, transport and storage of such agents. The subcommittee, which is under the jurisdiction of ASTM International Committee D26 on Halogenated Organic Solvents and Fire Extinguishing Agents, is…