ASTM E2206-2011(2015) Standard Test Method for Force Calibration of Thermomechanical Analyzers《热机械分析仪力校准的标准试验方法》.pdf
《ASTM E2206-2011(2015) Standard Test Method for Force Calibration of Thermomechanical Analyzers《热机械分析仪力校准的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM E2206-2011(2015) Standard Test Method for Force Calibration of Thermomechanical Analyzers《热机械分析仪力校准的标准试验方法》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: E2206 11 (Reapproved 2015)Standard Test Method forForce Calibration of Thermomechanical Analyzers1This standard is issued under the fixed designation E2206; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l
2、ast revision. 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 of the electronically applied force signalfor t
3、hermomechanical analyzers over the range of 0 to 1 N.1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.3 There is no ISO method equivalent to this standard.1.4 This standard does not purport to address all of thesafety conce
4、rns, 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:2E4 Practices for Force Verification of T
5、esting MachinesE473 Terminology Relating to Thermal Analysis and Rhe-ologyE617 Specification for Laboratory Weights and PrecisionMass StandardsE831 Test Method for Linear Thermal Expansion of SolidMaterials by Thermomechanical AnalysisE1142 Terminology Relating to Thermophysical PropertiesE1363 Test
6、 Method for Temperature Calibration of Thermo-mechanical AnalyzersE2113 Test Method for Length Change Calibration of Ther-momechanical AnalyzersE2161 Terminology Relating to Performance Validation inThermal Analysis and Rheology3. Terminology3.1 The technical terms used in this standard are defined
7、inTerminologies E473, E1142, and E2161 including calibration,conformance, precision, relative standard deviation,repeatability, reproducibility, and thermomechanical analyzer.4. Summary of Test Method4.1 The electronic force signal generated by a thermome-chanical analyzer is compared to that exerte
8、d by gravity on aknown mass. The thermomechanical analyzer may be said tobe in conformance if the performance is within establishedlimits, typically 1 %. Alternatively, the force signal may becalibrated using a two-point calibration method.5. Significance and Use5.1 Most thermomechanical analysis ex
9、periments are car-ried out with some force applied to the test specimen. Thisforce is often created electronically. It may be constant orchanged during the experiment.5.2 This method demonstrates conformance or calibrates theelectronically applied force signal.5.3 This method may be used for researc
10、h and development,quality control, manufacturing or regulatory applications.5.4 Other thermomechanical analyzer calibration functionsinclude temperature by Test Method E1363 and length changeby Test Method E2113.6. Apparatus6.1 Thermomechanical AnalyzerThe essential instrumen-tation required to prov
11、ide a minimum thermomechanical analy-sis or thermodilatometric capability for this method includes:6.1.1 Rigid Specimen Holder, inert, low expansivity mate-rial typically 0.6 m(m K) to center the specimen in thefurnace and to fix the specimen to mechanical ground.NOTE 1Materials of construction with
12、 greater expansivity may beused but shall be reported.6.1.2 Rigid (Expansion or Compression) Probe, inert, lowexpansivity material typically 0.6 m(m K) which con-tacts the specimen with an applied compressive force (see Note1).6.1.3 Sensing Element, linear over a minimum range of2 mm to measure the
13、displacement of the rigid probe to 61mresulting from changes in length of the specimen.6.1.4 Programmable Force Transducer, to generate a con-stant force (61.0 %) of up to 1.0 N that is applied through therigid probe to the specimen.1This test method is under the jurisdiction ofASTM Committee E37 on
14、 ThermalMeasurements and is the direct responsibility of Subcommittee E37.10 onFundamental, Statistical and Mechanical Properties.Current edition approved Oct. 1, 2015. Published October 2015. Originallyapproved in 2002. Last previous edition approved in 2011 as E2206 11. DOI:10.1520/E2206-11R15.2Fo
15、r referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service 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
16、, West Conshohocken, PA 19428-2959. United States1NOTE 2Other force ranges may be used but shall be reported.6.1.5 Furnace, capable of providing uniform controlledheating (cooling) of the specimen to a constant temperature orat a constant rate within the temperature range of 100 to600C.NOTE 3Other t
17、emperature ranges may be used but shall be reported.6.1.6 Temperature Controller, capable of executing a spe-cific temperature program by operating the furnace betweenselected temperature limits at a rate of change of up to10C/min constant to 0.1C/min or at an isothermal tempera-ture constant to 60.
18、5C.NOTE 4Other heating rates may be used but shall be reported.6.1.7 Temperature Sensor, that can be attached to, in contactwith, or reproducibly positioned in close proximity to thespecimen to provide an indication of the specimen temperatureto 60.1C.6.1.8 A means of sustaining an environment aroun
19、d thespecimen of inert purge gas with a purge gas rate of 10 to100 6 5 mLmin.NOTE 5Typically, 99.9+ % pure nitrogen, argon, or helium is em-ployed when oxidation in air is a concern. Unless effects of moisture areto be studied, use of dry purge gas is recommended and is essential foroperation at sub
20、ambient temperatures.6.1.9 Data Collection Device, to provide a means ofacquiring, storing, and displaying measured or calculatedsignals, or both. The minimum output signals required forthermomechanical analysis are a change in linear dimension,temperature, and time.6.2 50 to 100 g 6 0.002 % Class 4
21、 or better mass (traceableto a national reference laboratory) in compliance with Speci-fication E617.7. Calibration7.1 Prepare the thermomechanical analyzer for operationaccording to procedures recommended by the manufacturer ofthe thermomechanical analyzer as described in the OperationsManual.7.2 O
22、ther calibration procedures which may be used, butwhich are not required in this standard include Test MethodsE1363, E831, and E2113.8. Procedure8.1 With no specimen present, lower the probe so that itcontacts the specimen holder. Zero the device so that no force(load) is applied by the probe to the
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
5000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTME220620112015STANDARDTESTMETHODFORFORCECALIBRATIONOFTHERMOMECHANICALANALYZERS 机械 分析 校准 标准 试验 方法 PDF

链接地址:http://www.mydoc123.com/p-530556.html