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  • Understanding an ASTM D 2000 Call Out (.pdf)
    An ASTM D 2000 "call out" may look like a chaotic alphanumeric code, but it can. be simplified and broken down into manageable pieces. At the basic level, ASTM D. 2000 identifies rubber products based on their resistance to heat ageing and resistance. to swelling in oil. In addition, the "call out
  • Tension Testing of Metallic Materials (ASTM E8)
    ASTM E 8 describes tension testing methods to determine yield strength, yield point elongation, tensile strength, elongation and reduction of area of metal products. It applies to metallic materials in any form, including: sheet, plate, wire, rod, bar, pipe and tube. For each of these specimen
  • History Of Nist Rockwell Test Block Standards
    In 1991, NIST began the development of a national Rockwell hardness standardization laboratory at the urging of the ASTM and U.S. industry. The goals of this program are to standardize the Rockwell hardness scales for the United States and to provide industry with stable national transfer standards
  • Checklist for Greater Accuracy of Test Results for Charpy Impact Testing
    One of the most common tests of the physical characteristics of metals is the notched Charpy impact test as specified by ASTM E23 Standard Test Method for Notched Bar Impact Testing of Metallic Materials.
  • A Probabilistic Approach to Modeling Microstructural Variability and Fatigue Behavior in ASTM F562 Medical Grade Wire (.pdf)
    Several previous studies have demonstrated the importance of constituent inclusion particle distributions on variability in observed fatigue lifetimes. Such models have often concentrated on crack growth behavior in standard test specimens such as single edge notch tension (SENT) geometries
  • Resistance of Unfilled Engineering Polymers to Prolonged Hot Water Exposure (.pdf)
    . 4) RADEL (R) R-5000 polyphenylsulfone (PPSU). 5) Polyetherimide (PEI). ASTM test specimens made for each resin were aged in 60°C (140°F) and 90°C (194°F) water for up to 16,000 hours. Periodic mechanical testing was conducted.
  • Medical Device Link .
    standards has been based on ISO document 11607, "Packaging for Terminally Sterilized Medical Devices. " Since FDA recognized ISO 11607 as a consensus standard, the ASTM F02.60 subcommittee on medical device packaging is submitting versions of the test methods cited in the ISO document for recognition
  • Designing With Plastics
    . Paying more per pound or per cubic inch is often more economical if less material can do the job. There is an attractive simplicity in deciding on the material with the highest ASTM test values as listed in manufacturers' data sheets. Unfortunately, this method seldom results in the best choice
  • Investigation of the Oxidative Stability of Polyolefi ns and Thermoplastic Elastomers by Means of DSC
    Oxidative-induction time (OIT) measurements allow for characterization of the long-term stability of hydrocarbons. For determination of the oxidative stability, standardized test methods by means of DSC (Differential Scanning Calorimetry) are used. OIT tests by means of DSC are internationally
  • Measuring Tack of Pressure Sensitive Adhesives (.pdf)
    The procedure for measuring tack of pressure sensitive adhesives is fully described in some ASTM methods. The definition for tack is the maximum force required to break contact from the adhesive surface as the test probe pulls away. The units of force should be stated in kPa. This result
  • An Investigation of Pin Bearing Strength on Composite Materials
    This paper aims to demonstrate the influence of various pin hole details and pin types to the. ultimate and 4% hole elongation bearing strength values. This paper will demonstrate that the. ASTM D 953 bearing strength test can be very misleading and that actual connection details. should
  • Fluoroelastomers and Modern Engine Fluids
    Two classes of fluoroelastomers, FKM and FEPM, are aged at 150°C in dry heat, ASTM reference. engine oil and an organic acid based engine coolant. The test procedure, which uses unique component geometry, test jig and test vessel concept appears to offer a rapid (168 hours), reproducible measure

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