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A new ASTM International standard, adopted from an American Concrete Institute test method, will be used to help ensure the safety of construction projects. ASTM C1741 , Test Method for Bleed Stability of Cementitious Post-Tensioning Tendon Grout, is under the jurisdiction of Subcommittee C09.41 on Hydraulic Cement Grouts , part of ASTM International Committee C09 on Concrete and Concrete…
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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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A proposed new ASTM International standard may foster greater use of agricultural raw materials (ARM). ARM are a source of ligno-cellulosic fibers, which are similar to wood fibers and particles. ARM are set to become an important source of fibers for the construction industry. The proposed new standard, ASTM WK30419 , Guide for the Use of Agricultural Fiber in Construction, is being developed by…
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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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ASTM grain size is a property written into many specifications for metals, with finer grain sizes generally indicating better mechanical properties, such as formability. While measuring certain materials for such properties can be difficult, electron backscatter diffraction can provide precise determinations as well as give information on grain size distribution and statistics. A new ASTM…
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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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A recent revision to ASTM International standard E384 , Test Method for Knoop and Vickers Hardness of Materials, expands the range of its coverage. The standard is under the jurisdiction of Subcommittee E04.05 on Microindentation Hardness Testing, part of ASTM International Committee E04 on Metallography. The revision incorporates ASTM E92 , Test Method for Vickers Hardness of Metallic Materials…
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Proposed Standards for Green Meetings Being Developed by ASTM International Sustainability CommitteeSince 2004, when the Convention Industry Council (CIC) appointed a green meeting task force that produced a white paper of best practices for suppliers and planners, interest in the concept of green meetings has steadily been growing. Discussions between the U.S. Environmental Protection Agency, CIC and the Green Meeting Industry Council revealed a tremendous need in the meeting and event…
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Sustainability — addressing the needs of today without compromising the ability of future generations to meet their needs — will be the topic of an October workshop and standards development meetings of ASTM International Committee E60 on Sustainability. The committee will meet Oct. 18-22 during the ASTM October 2009 committee week in Atlanta, Ga. “All of us need to incorporate sustainable means…, Life Cycle Assessment Workshop to Be Held Oct. 18-19, A workshop, Life Cycle Assessments: Methodology, Current Development and Application in Standards , will be held Oct. 18-19. A fundamental concept in sustainability, LCA is becoming more expected from industry while little guidance exists about how best to incorporate LCA criteria into product standards, according to Meadows. Use of LCA and LCA criteria in product standards is directly related to…, Infrastructure and Packaging Forums to Be Held Oct. 19, Standards Development Work to Continue, Forums on infrastructure and packaging will be held the afternoon of Oct. 19 to identify resources and information about the sustainability aspects of the two topics. The subjects, determined at a previous E60 meeting, could lead to a database or possible standards development projects for the future. E60 subcommittees on buildings and construction, hospitality and general sustainability…
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Offers Students a Direct Line to Developing Important Sustainability Standards Sustainable development considers the needs of the present without compromising the ability of future generations to meet their own needs, according to ASTM E2114 , Terminology for Sustainability Relative to the Performance of Buildings, a standard under the jurisdiction of ASTM International Committee E60 on…