1、Designation:E225413Standard Test Method forStorage Modulus Calibration of Dynamic MechanicalAnalyzers1This standard is issued under the fixed designation E2254;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision
2、.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method describes the calibration or perfor-mance confirmation for the storage modulus scale of a com-mercial or custom built d
3、ynamic mechanical analyzer(DMA)over the temperature range of 100 to 300C using referencematerials in the range of 1 to 200 GPa.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all
4、of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E473 Terminology Relating
5、to Thermal Analysis and Rhe-ologyE698 Test Method for Arrhenius Kinetic Constants forThermally Unstable Materials Using Differential Scan-ning Calorimetry and the Flynn/Wall/Ozawa MethodE1142 Terminology Relating to Thermophysical PropertiesE2425 Test Method for Loss Modulus Conformance ofDynamic Me
6、chanical AnalyzersD638 Test Method for Tensile Properties of Plastics3.Terminology3.1 DefinitionsSpecific technical terms used in this testmethod are defined in Terminologies E473 and E1142 includ-ing Celsius,dynamic mechanical analysis,and storage modu-lus.4.Summary of Test Method4.1 The storage mo
7、dulus signal determined by a dynamicmechanical analyzer for an elastic reference material is com-pared to the reported storage modulus for that referencematerial.A linear relationship is used to correlate the experi-mental storage modulus signal with the reported value of thereference material.4.2 T
8、he mode of deformation(for example,tensile,flexure,compression,etc.)shall be reported.5.Significance and Use5.1 This test method calibrates or demonstrates conformityof a dynamic mechanical analyzer at an isothermal temperaturewithin the range of 100 to 300C.5.2 Dynamic mechanical analysis experimen
9、ts often usetemperature ramps.This method does not address the effect ofthat change in temperature on the storage modulus.5.3 A calibration factor may be required to obtain correctedstorage modulus values.5.4 This method may be used in research and development,specification acceptance,and quality co
10、ntrol or assurance.6.Apparatus6.1 The essential instrumentation required to provide theminimum dynamic mechanical capability for this test methodincludes:6.1.1 Drive Motor,to apply force(or displacement)to thespecimen in a periodic manner.This motor may also be capableof providing static force or di
11、splacement on the specimen.6.1.2 Coupling Shaft,or other means to transmit the forcefrom the motor to the specimen.6.1.3 Clamping System(s),to fix the specimen between thedrive shaft and the stationary clamp(s).6.1.4 Position Sensor,to measure the change in position ofthe specimen during dynamic mot
12、ion,or,6.1.5 Force Sensor,to measure the force applied to thespecimen.6.1.6 Temperature Sensor,to provide an indication of thespecimen temperature to 61C.1This test method is under the jurisdiction ofASTM Committee E37 on ThermalMeasurements and is the direct responsibility of Subcommittee E37.10 on
13、Fundamental,Statistical and Mechanical Properties.Current edition approved Aug.1,2013.Published August 2013.Originallyapproved in 2003.Last previous edition approved in 2011 as E2254 11.DOI:10.1520/E2254-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Se
14、rvice at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.1.7 Furnace,to provide controlled heating or co
15、oling of aspecimen at a constant temperature or at a constant rate withinthe applicable temperature range of 100 to+300C.6.1.8 Temperature Controller,capable of executing a spe-cific temperature program by operating the furnace between100 and+300 C.6.1.9 A Data Collection Device,to provide a means o
16、facquiring,storing and displaying measured or calculatedsignals,or both.The minimum output signals required arestorage modulus,loss modulus,tangent delta,temperature andtime.6.2 Auxiliary instrumentation considered necessary in con-ducting this method near or below ambient room temperature.6.2.1 Cooling capability to sustain a constant temperature ator below ambient room temperature or to provide controlledcooling.6.3 Micrometer,calipers or other length measuring devicecapable of measuring lengt
