SAE-J2409-2004.pdf
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1、 SURFACE VEHICLE STANDARD (R) Strain-Life Fatigue Data File Format SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for an
2、y particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2004 SAE
3、 International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877
4、-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS: http:/www.sae.org Issued 1998-06 Revised 2004-11 Superseding J2409 JUN1998 J2409 REV. NOV2004 1. Scope SAE format for a SIMPLE Strain-Life Fatigue Data Exchange File Format. The
5、 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. 2. References 2.1 Applicable Publication The following publication forms a part of the specification to the extent specified herein. Unless otherwise
6、 indicated, the latest revision of ASTM publications shall apply. 2.1.1 ASTM PUBLICATION Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. ASTM E 606-92Recommended Practice for Constant-Amplitude Low-Cycle Fatigue Testing 3. A sample file that defines the format of the co
7、ntents is depicted in Appendix A. 4. Notes 4.1 Marginal Indicia The change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions have been made to the previous issue of the report. An (R) symbol to the left of the document title indicates a
8、 complete revision of the report. PREPARED BY THE SAE MATERIALS PROPERTIES DIVISION OF THE FATIGUE, DESIGN, AND EVALUATION COMMITTEE SAE J2409 Revised NOV2004 - 2 - APPENDIX A STRAIN-LIFE FATIGUE DATA EXCHANGE FILE A.1 Example # Any line that begins with a # sign is a comment line, or an identifier
9、# line. Blank lines can also be inserted anywhere. A comment can # also appear at the end of a data line, or between data lines. # - # # A data line is assumed to be any line that is not a blank or a comment line. # # Certain lines that begin with a #SYMBOL= VALUE, called tags, have special # meanin
10、gs that can be decoded by the receiving program. Tag definitions # are set out below. Curly braces with comma delimited values # indicate the different values that may be used with a tag. Otherwise # character or numeric fields are required. The units on strain values # are absolute (no percentages)
11、, and the stress units may be defined # as below. Tags should begin in the first column. # # Use one or more “SPACE“ characters to separate tags, values, and data items. # # * MANDATORY TAGS * * TAG Explanation * # # #FileType= strain_life # Define this file type # # #DataType= raw,fitted # Experime
12、ntal data are indicated with a “raw“, # interpolated data with “fitted“ # # #NAME= # Unique material identifier. Several of these tags may # be used in a single file. # # #UNITS= ksi,mpa # Stress units used in the file. Not case sensitive. # # #E= # Average First Loading Elastic Modulus as measured
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