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A new ASTM International standard provides a rigorous test for evaluating certain parts of next-generation nuclear power plants which incorporate new materials and technologies. Specifically, the new standard (C1819, Test Method for Hoop Tensile Strength of Continuous Fiber-Reinforced Advanced Ceramic Composite Tubular Test Specimens at Ambient Temperature Using Elastomeric Inserts) will test…, Media Inquiries:, Nathan Osburn, tel +1.610.832.9603; nosburn@astm.org, Technical Contact:, Michael G. Jenkins Ph.D., P.E., Bothell Engineering and Science Technologies, tel +1.425.876.7061; jenkinsmg@bothellest.com Release #9925
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In order to keep sound that travels beyond the walls of a particular area, such as medical examination rooms and human resources offices from being overheard by unintended listeners, an ASTM subcommittee specializing in speech privacy is at work on a proposed new standard, WK47433, Performance Specification of Electronic Sound Masking When Used in Building Spaces. “Electronic sound masking…, ASTM Committee E33 Next Meeting:, April 27-28, 2015, April committee week, Anaheim, Calif., Technical Contact:, Kenneth P. Roy, Armstrong World Industries, Lancaster, Pa., tel +1.717.396.5700; kproy@armstrong.com, ASTM Staff Contact:, Kelly Paul, tel +1.610.832.9745; kpaul@astm.org, ASTM PR Contact:, Barbara Schindler, tel +1.610.832.9603; bschindl@astm.org Release #9752
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A proposed new ASTM International standard will be helpful to the construction industry in designing acoustic properties for buildings. ASTM WK37294 , Test Method for the Laboratory Measurement of Mechanical Impedance of Building Elements and Prediction of the Sound Transmission Loss Performance, is currently being developed by Subcommittee E33.03 on Sound Transmission , part of ASTM…, ASTM Committee E33 Next Meeting:, April 15-16, 2013, April Committee Week, Indianapolis, Ind., Technical Contact:, Peter Jackson, Ward Process, Holliston, Mass., Phone: 774-233-7011; p.jackson@aapusa.com, ASTM Staff Contact:, Steve Mawn, Phone: 610-832-9726; smawn@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9316
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Honeycomb ceramics, porous with linear hollow channels, are being used worldwide in automotive catalytic converters and as diesel particulate filters for trucks. Flexural testing of this type of ceramics is addressed in a new ASTM International standard, ASTM C1674 , Test Method for Flexural Strength of Advanced Ceramics with Engineered Porosity (Honeycomb Cellular Channels) at Ambient…
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New Advanced Ceramics Standards from ASTM Cover Fracture Mirror Size Analysis, Tensile Strength DataSubcommittee C28.01 on Mechanical Properties and Performance, part of ASTM International Committee C28 on Advanced Ceramics, has recently approved two new standards, ASTM C1678 , Practice for Fractographic Analysis of Fracture Mirror Sizes in Ceramics and Glasses, and ASTM C1683 , Practice for Size Scaling of Tensile Strengths Using Weibull Statistics for Advanced Ceramics., ASTM C1678 —Bringing Consistency to Fracture Mirror Size Analysis, Fracture mirror size analysis is a powerful quantitative tool for the interpretation of broken ceramic and glass articles. While this type of analysis can be used to determine the stress in a part at the instant of fracture, inspection and interpretation procedures have often varied, resulting in uncertainty in stress estimates. ASTM C1678, Practice for Fractographic Analysis of Fracture Mirror…, ASTM C1683 —Scaling Strength Values, ASTM C1683, Practice for Size Scaling of Tensile Strength Using Weibull Statistics for Advanced Ceramics, provides methodology to convert fracture strength parameters estimated from data obtained with one test geometry to strength parameters representing other test geometries. Stephen Duffy, chair of civil engineering, Cleveland State University, and C28 member, says that companies producing…
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Ceramic and glass companies, as well as universities and government laboratories, will be the primary users of a new ASTM standard that allows for the flexural strength determination of components made in a round shape or after finish machining with minimal waste. The standard, ASTM C1684 , Test Method for Flexural Strength of Advanced Ceramics at Ambient Temperature-Cylindrical Rod Strength, was…
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ASTM International Committee C28 on Advanced Ceramics and the American Ceramic Society are co-sponsoring a workshop, Needs and Opportunities for Strength and Fracture Standards at Micro and Nano Scales, on Jan. 27, 2008, from 1:00 to 5:00 p.m. at the Hilton Daytona Beach Resort in Daytona Beach, Fla. The workshop will be held in conjunction with the ASTM Committee C28 meetings to be held Jan. 26-…
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ASTM International Subcommittee C28.07 on Ceramic Matrix Composites has formed a task group to address the evaluation of fiber-reinforced ceramic matrix composite structures for a future generation of nuclear energy systems. Subcommittee C28.07 is under the jurisdiction of Committee C28 on Advanced Ceramics. The new task group was formed at the January meeting of Subcommittee C28.07. To advance…