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As rare earth materials play an increasingly critical role in the growth of global industries, an ASTM International subcommittee is gearing up to address challenges across the life cycle of these vital resources. ASTM Subcommittee F40.04 on Rare Earth Materials held its most recent meeting in April and has established a standards development agenda aimed at supporting efficient and safe…, Stimulating the Worldwide Supply Chain, The increased demand for rare earth materials has converged with supply bottlenecks, resulting in a looming shortage of these resources throughout the worldwide high-tech, energy and automotive sectors. To better ensure that rare earths are more readily available for industry use, public and private sector stakeholders are focusing on ways to diversify supplies. Strategies include improving…, Protecting Our Energy Future, Underscoring the importance of rare earth materials to clean energy growth, the U.S. Department of Energy has established the Critical Materials Institute (CMI) at its Ames Laboratory in Ames, Iowa. The institute will bring together leading experts from academia, national laboratories and the private sector to find solutions to help avoid a rare earth supply shortage. Dr. Alex King, director of…, ASTM Committee F40 Next Meeting:, Nov. 13-14, 2013, November Committee Week, Jacksonville, Fla., Technical Contact:, Taco van der Maten, PANalytical B.V., Almelo, The Netherlands, Phone: +31-546-534-372; taco.van.der.maten@panalytical.com, ASTM Staff Contact:, Alyson Fick, Phone: 610-832-9710; afick@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9406
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A proposed new ASTM International test method will be used by ready-mix concrete producers to characterize the drying behavior of new and existing concrete mixture proportions. ASTM WK37029 , Test Method for Measurement of Mass Loss Versus Time for One-Dimensional Drying of Saturated Concretes, is being developed by Subcommittee C09.66 on Concrete’s Resistance to Fluid Penetration , part of ASTM…, ASTM Committee C09 Next Meeting:, Dec. 8-11, 2013, December Committee Week, Jacksonville, Fla., Technical Contact:, Dale P. Bentz, National Institute of Standards and Technology, Gaithersburg, Md., Phone: 301-975-5865; dale.bentz@nist.gov , ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9390
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A proposed new ASTM International standard will cover the process, verification and record keeping procedures for recycling returned fresh concrete. The proposed standard, ASTM WK39876 , Specification for Returned Fresh Concrete for Use in a New Batch of Ready-Mixed Concrete, is being developed by Subcommittee C09.40 on Ready-Mixed Concrete , part of ASTM International Committee C09 on Concrete…, ASTM Committee C09 Next Meeting:, June 9-12, 2013, June Committee Week, Indianapolis, Ind., Technical Contact:, Eric P. Koehler, Verifi LLC, Cambridge, Mass., Phone: 617-498-4354; eric.koehler@verifitechnologies.com, ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9329
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A proposed new ASTM test method will be used to quantify the resistivity of concreting materials that are widely used for construction around the world. ASTM WK37880 , Test Method for Measuring the Surface Resistivity of Hardened Concrete Using the Wenner Four-Electrode Method, is being developed by Subcommittee C09.66 on Concrete’s Resistance to Fluid Penetration , part of ASTM International…, ASTM Committee C09 Next Meeting:, June 9-12, 2013, June Committee Week, Indianapolis, Ind., Technical Contact:, Kenneth A. Snyder, National Institute of Standards and Technology, Gaithersburg, Md., Phone: 301-975-4260; kenneth.snyder@nist.gov, ASTM Staff Contact:, Scott Orthey; Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9321
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Public policy decisions on rare earth materials will have an influence on industry and affect future standardization efforts. Acknowledging this importance, ASTM International Committee F40 on Declarable Substances in Materials has formed a new subcommittee, F40.04 on Rare Earth Materials. The subcommittee, which will promote knowledge, stimulate research and implement technology through the…, ASTM Committee F40 Next Meeting:, Nov. 14-15, 2012, November Committee Week, Atlanta, Ga., Technical Contact:, Taco van der Maten, PANalytical B.V., Almelo, The Netherlands, Phone: +31-546-534-372; taco.van.der.maten@panalytical.com, ASTM Staff Contact:, Alyson Fick, Phone: 832-9710; afick@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9309
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A proposed new ASTM standard will provide proper direction and ensure adequate documentation to aid in the interpretation, understanding and reduction of variance in test results for fiber-reinforced concrete. ASTM WK35250 , Practice for Fiber-Reinforced Concrete for Making and Curing Test Specimens in the Laboratory and Field, is now being developed by Subcommittee C09.42 on Fiber-Reinforced…
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Formalizing a method for making a cylindrical specimen of roller-compacted concrete in a gyratory compactor is the primary purpose of a proposed new ASTM International standard. ASTM WK33682 , Test Method for Preparation, Compaction and Density Determination of Roller-Compacted Concrete Specimens by Means of the Superpave Gyratory Compactor, is being developed by Subcommittee C09.45 on Roller-…
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While the use of internally cured concrete in construction is not new, there is now better understanding of the internal curing process and why IC using pre-wetted lightweight aggregate increases concrete durability and service life in an economical and practical way. However, there is not currently a standard for lightweight aggregates for internal curing. ASTM International Committee C09 on…
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ASTM International Committee C09 on Concrete and Concrete Aggregates is currently developing a proposed standard that addresses bleed stability. ASTM WK28156 , Test Method for Bleed Stability of Cementitious Grout Under Static Pressure, is under the jurisdiction of ASTM International Subcommittee C09.41 on Hydraulic Cement Grouts. When cementitious grouts bleed, mixing water separates from the…, ASTM Committee C09 Next Meeting:, Dec. 6-8, December Committee Week, New Orleans, La., Technical Contact:, Fred Goodwin, BASF Construction Chemicals, Cleveland, Ohio, Phone: 216-839-7009; fred.goodwin@basf.com, ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8648
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A new ASTM International standard will provide the means to quickly detect and quantify the lead concentration in toys and other children's products. The new standard, F2853 , Test Method for Determination of Lead in Paint Layers and Similar Coatings or in Substrates and Homogenous Materials by Energy Dispersive X-Ray Fluorescence Spectrometry Using Multiple Monochromatic Excitation Beams, was…