ASTM_D_695M_-_91_scan.pdf

IND-STD ASTM Db95M-93 NOTICE 3 93 9999998 0036247 644 NOTICE OF ADOPTION ASTI DbL5k-S)l NOTICE 1 U October 1992 S WHISEDING 28 November 1990 ASM D695H-90 ADOPTION EOTICE COMPRESSIVE PROPERTIES OP RIGID PLASTICS METRIC The above non-Government document was adopted on 21 October 1992 and is approved for use by the DoD.Standardisation Documents Order Desk,Bldg 4D,700 Robbins Avenue,Philadelphia PA 19111-5094 for issue to DoD activitiee only.desiring copies must obtain them from ASTM,1916 Race Street,Biladelphici,PA 19103-1187,or from some other authorieed distributor.Copies of this document ehould be ordered from A l l others RELEASING NON-GOVERNMENT STANDARDS BODY:ASTM,ASTM APPROVAL DATE:15 lovember 1991 NOTE:SUPERSEDES METHOD 1021 OF FTMS 4 0 6.1 Custodians:Army-HR A i r Force-1 1 Review activities:Army-AT,AV,ME,MI Navy-AS DLA-cs Military Coordinating Activity:Army-m h o ject 9330-1284 User activities:Army-AR,GL Navy-YD,OS,SH PSC 9330 DISTRIBUTION STATEMENT A Approved for public release;distribution unlimited.NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.ASTM Db95M 91 W O759510 050LYOO 1i=Designation:D 695M-91 METRIC AMERICAN SOCIEN FOR TESTING AND MATERIALS 191 6 Race St.Philadelphia,Pa 191 03 Reprinted frornthe Annual Book of ASTM Standards.Copyright ASTM If not listed In the current comblned index,will appear in the ne#edition.Standard Test Method for Compressive Properties of Rigid Plastics Metric This standard is issued under the fixed designation D 695M,the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(6)indicates an editorial change since the last revision or reapproval.This standard has been approvedjr icse by agencies of the Department of Defense.Consiilt the DoD Index of Specijications and Standards for the specific year of issue which has been adopted by the Department of Defense.1.Scope 1.1 This test method covers the determination of the mechanical properties of unreinforced and reinforced rigid plastics,including high-modulus composites,when loaded in compression at relatively low uniform rates of straining or loading.Test specimens of standard shape are employed.NOTE 1-For compressive properties of resin-matrix composites reinforced with oriented continuous,discontinuous,or cross-ply rein-forcements,tests may be made in accordance with Test Method D 3410.NOTE 2-This test method is the metric counterpart of Test Method D 695.1.2 This standard does not purport to address all o f the safety problems,if any,associated with its use.It is the responsibility o f the user o f this standard to establish appro-priate safety and health practices and determine the applica-bility o f regulatory limitations prior to use.A specific precautionary statement is given in Note 11.2.Referenced Documents 2.1 ASTM Standards:D 6 18 Practice for Conditioning Plastics and Electrical D 638 Test Method for Tensile Properties of Plastics2 D695 Test Method for Compressive Properties of Rigid D 34 10 Test Method for Compressive Properties of Unidi-D 4000 Classification System for Specifying Plastic D 4066 Specification for Nylon Injection and Extrusion E 4 Practices for Load Verification of Testing Machines5 E 83 Practice for Verification and Classification of Exten-E 69 1 Practice for Conducting an Interlaboratory Study to Insulating Materials for Testing2 Plastics2 rectional or Crossply Fiber-Resin Composites3 Materials4 Materials4 someter Determine the Precision of a Test Method6 3.Terminology 3.1 Definitions:*This test method is under the jurisdiction of ASTM Committee D-20 on Plastics and is the direct responsibility of Subcommittee D20.10 on Mechanical Properties.Current edition approved Nov.15,1991.Published January 1992.Onginally published as D 695M-85.Last previous edition D 695M-90.2 Annual Book of ASTM Standards,Vol 08.0 1.3 Annital Book of ASTM Standards,Vol 15.03.4 Annual Book of ASTM Standards,Vol 08.03.5 Annual Book ofASTMStandards,Vol 03.01.6 Annual Book of ASTM Standards,Vol 14.02.3.1.1 compressive deformation-the decrease in length produced in the gage length of the test specimen by a compressive load.It is expressed in units of length.3.1.2 compressive strain-the ratio of compressive defor-mation to the gage length of the test specimen,that is,the change in length per unit of original length along the longitudinal axis.It is expressed as a dimensionless ratio.3.1.3 compressive strength-the maximirm compressive stress(nominal)carried by a test specimen during a compres-sion test.It may or may not be the compressive stress(nominal)carried by the specimen at the moment of rupture.3.1.4 compressive strength at failure(nominal)-the com-pressive stress(nominal)sustained at the moment of failure of the test specimen if shatter