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Strain-Life Fatigue Data File Format

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J2409_201808
  • Current
Published 2018-08-24 by SAE International in United States
SAE format for a SIMPLE Strain-Life Fatigue Data Exchange File Format. The object of this SAE Standard is to provide a simple common way to exchange strain-life fatigue data collected from ASTM E 606 axial fatigue test data.
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Standard Rainflow File Format

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J2623_201808
  • Current
Published 2018-08-24 by SAE International in United States
This SAE Standard provides a definition of a rainflow file format. This type of simple text file would contain all relevant information about the rainflow cycle content of a time history. Included information are Comments, Signal Range, Signal Mean, Number of Cycles, Signal Maximum, Signal Minimum. Rainflow cycle counting has become the most accepted procedure for identifying material fatigue relevant cycles in complex variable amplitude load time histories. The cycle counting methods account for the effects of material plasticity and material memory of prior deformation, and the resulting compressed history information is used by durability analysts to estimate the effects of a given service or test history. Standardization of the rainflow counting methods output files, which is the format addressed by the present standard, is important for reliable information transfer between test and design groups, or different calculation software packages, and thus forms a critical step in the evaluation of components and vehicles. Further background information can be found in the SAE publication AE-10 cited in 2.1.1.
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Multi-Dimensional Thermal Properties of Insulated Heat Shield Material Systems

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J2609_201808
  • Current
Published 2018-08-24 by SAE International in United States
This test method measures the system material properties of an insulated formed heat shield under in-vehicle conditions. While the material properties of the individual components can often be determined via existing test methods, the system properties of the entire composite is typically much harder to ascertain (especially for multi-layer shields). System material properties include thermal conductivity in the lateral or in-plane (x) direction, thermal conductivity through the thickness or perpendicular (y), surface emissivity on the top and bottom sides of the shield and specific heat of the shield material.
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Strain-Life Fatigue Data File Format

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J2649_201808
  • Current
Published 2018-08-24 by SAE International in United States
SAE data file format for exchanging controlled periodic overload data. The object of this SAE Standard is to provide a simple, common methodology for exchanging the data from periodic overload fatigue tests. These tests consist of a single large fatigue cycle followed by a larger number of smaller cycles. The overloads are fully reversed fatigue cycles while the smaller cycles share a common mean and amplitude.
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Technical Report on Low Cycle Fatigue Properties Ferrous and Non-Ferrous Materials

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J1099_201808
  • Current
Published 2018-08-24 by SAE International in United States
Information that provides design guidance in avoiding fatigue failures is outlined in this SAE Information Report. Of necessity, this report is brief, but it does provide a basis for approaching complex fatigue problems. Information presented here can be used in preliminary design estimates of fatigue life, the selection of materials and the analysis of service load and/or strain data. The data presented are for the “low cycle” or strain-controlled methods for predicting fatigue behavior. Note that these methods may not be appropriate for materials with internal defects, such as cast irons, which exhibit different tension and compression stress-strain behavior.
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Recommended Guidelines for Fatigue Testing of Elastomeric Materials and Components

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J1183_201702
  • Current
Published 2017-02-13 by SAE International in United States
The purpose of this SAE Recommended Practice is to review factors that influence the behavior of elastomers under conditions of dynamic stress and to provide guidance concerning laboratory procedures for determining the fatigue characteristics of elastomeric materials and fabricated elastomeric components.
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Testing Dynamic Properties of Elastomeric Isolators

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J1085_201702
  • Current
Published 2017-02-09 by SAE International in United States
These methods cover testing procedures for defining and specifying the dynamic characteristics of simple elastomers and simple fabricated elastomeric isolators used in vehicle components. Simple, here, is defined as solid (non-hydraulic) components tested at frequencies less than or equal to 25 Hz.
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Elastomeric Bushing "TRAC" Application Code

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J1883_201702
  • Current
Published 2017-02-09 by SAE International in United States
The bushing "TRAC" code is intended to be a tool that will aid in the definition of the geometric environment for the test, or use, of an elastomeric bushing.
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Recommended Guidelines for Load/Deformation Testing of Elastomeric Components

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J1636_201701
  • Current
Published 2017-01-05 by SAE International in United States
The purpose of this SAE Recommended Practice is to review factors that influence the behavior of elastomeric components under conditions of loading or deforming at a constant rate and to provide guidance concerning test procedures used to define or specify the load/deformation characteristics of elastomeric components. This characteristic is referred to as Static Stiffness. This is also referred to as a "Static Deflection Test."
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Helical Springs: Specification Check Lists

Materials, Processes and Parts Council
  • Ground Vehicle Standard
  • J1122_201608
  • Current
Published 2016-08-02 by SAE International in United States
The following SAE Recommended Practice furnishes sample forms for helical compression, extension and torsion springs to provide a uniform method for specifying design information. It is not necessary to fill in all the data, but sufficient information must be supplied to fully describe the part and to satisfy the requirements of its application. For detailed information, see “Design and Application of Helical and Spiral Springs - SAE HS 795”, also “Helical Compression and Extension Spring Terminology - SAE J1121”. Both of these documents use SI (metric) Units in accordance with the provisions of SAE TSB 003, as does SAE J1122. Here, however, the U.S. Customary Units (in, lb, psi) have been added in parentheses after each SI Unit for the convenience of the user who must furnish specifications on a project where all requirements are listed in non-metric terms.
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