ASTM C1361-2010 Standard Practice for Constant-Amplitude Axial Tension-Tension Cyclic Fatigue of Advanced Ceramics at Ambient Temperatures《高级陶瓷在环境温度下的恒幅轴向张力循环疲劳性能测定的标准实施规程》.pdf
《ASTM C1361-2010 Standard Practice for Constant-Amplitude Axial Tension-Tension Cyclic Fatigue of Advanced Ceramics at Ambient Temperatures《高级陶瓷在环境温度下的恒幅轴向张力循环疲劳性能测定的标准实施规程》.pdf》由会员分享,可在线阅读,更多相关《ASTM C1361-2010 Standard Practice for Constant-Amplitude Axial Tension-Tension Cyclic Fatigue of Advanced Ceramics at Ambient Temperatures《高级陶瓷在环境温度下的恒幅轴向张力循环疲劳性能测定的标准实施规程》.pdf(9页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: C1361 10Standard Practice forConstant-Amplitude, Axial, Tension-Tension Cyclic Fatigueof Advanced Ceramics at Ambient Temperatures1This standard is issued under the fixed designation C1361; the number immediately following the designation indicates the year oforiginal adoption or, in th
2、e case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This practice covers the determination of constant-amplitude, axial tension-tension c
3、yclic fatigue behavior andperformance of advanced ceramics at ambient temperatures toestablish “baseline” cyclic fatigue performance. This practicebuilds on experience and existing standards in tensile testingadvanced ceramics at ambient temperatures and addressesvarious suggested test specimen geom
4、etries, test specimenfabrication methods, testing modes (force, displacement, orstrain control), testing rates and frequencies, allowable bend-ing, and procedures for data collection and reporting. Thispractice does not apply to axial cyclic fatigue tests of compo-nents or parts (that is, machine el
5、ements with non uniform ormultiaxial stress states).1.2 This practice applies primarily to advanced ceramicsthat macroscopically exhibit isotropic, homogeneous, continu-ous behaviour. While this practice applies primarily to mono-lithic advanced ceramics, certain whisker- or particle-reinforced comp
6、osite ceramics as well as certain discontinuousfibre-reinforced composite ceramics may also meet thesemacroscopic behaviour assumptions. Generally, continuousfibre-reinforced ceramic composites (CFCCs) do not macro-scopically exhibit isotropic, homogeneous, continuous behav-iour and application of t
7、his practice to these materials is notrecommended.1.3 The values stated in SI units are to be regarded as thestandard and are in accordance with IEEE/ASTM SI 10.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the us
8、er of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use. Refer to Section 7for specific precautions.2. Referenced Documents2.1 ASTM Standards:2C1145 Terminology of Advanced CeramicsC1273 Test Method for Tensile
9、 Strength of MonolithicAdvanced Ceramics at Ambient TemperaturesC1322 Practice for Fractography and Characterization ofFracture Origins in Advanced CeramicsE4 Practices for Force Verification of Testing MachinesE6 Terminology Relating to Methods of Mechanical TestingE83 Practice for Verification and
10、 Classification of Exten-someter SystemsE337 Test Method for Measuring Humidity with a Psy-chrometer (the Measurement of Wet- and Dry-Bulb Tem-peratures)E467 Practice for Verification of Constant Amplitude Dy-namic Forces in an Axial Fatigue Testing SystemE468 Practice for Presentation of Constant A
11、mplitude Fa-tigue Test Results for Metallic MaterialsE739 Practice for Statistical Analysis of Linear or Linear-ized Stress-Life ( S-N) and Strain-Life (e-N) Fatigue DataE1012 Practice for Verification of Test Frame and SpecimenAlignment Under Tensile and Compressive Axial ForceApplicationE1823 Term
12、inology Relating to Fatigue and Fracture Test-ingIEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units (SI) (The Modern Metric System)2.2 Military Handbook:1This practice is under the jurisdiction of ASTM Committee C28 on AdvancedCeramics and is the direct responsibility of Subcommitt
13、ee C28.01 on MechanicalProperties and Performance.Current edition approved July 15, 2010. Published August 2010. Originallyapproved in 1996. Last previous edition approved in 2007 as C1361 01 (2007).DOI: 10.1520/C1361-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact
14、 ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Co
15、nshohocken, PA 19428-2959, United States.MIL-HDBK-790 Fractography and Characterization ofFracture Origins in Advanced Structural Ceramics33. Terminology3.1 DefinitionsDefinitions of terms relating to advancedceramics, cyclic fatigue, and tensile testing as they appear inTerminology C1145, Terminolo
16、gy E1823, and TerminologyE6, respectively, apply to the terms used in this practice.Selected terms with definitions non-specific to this practicefollow in 3.2 with the appropriate source given in parenthesis.Terms specific to this practice are defined in 3.3.3.2 Definitions of Terms Non Specific to
17、This Standard:3.2.1 advanced ceramic, na highly engineered, high per-formance predominately non-metallic, inorganic, ceramic ma-terial having specific functional attributes. (See TerminologyC1145.)3.2.2 axial strain LL1, nthe average longitudinalstrains measured at the surface on opposite sides of t
18、helongitudinal axis of symmetry of the test specimen by twostrain-sensing devices located at the mid length of the reducedsection. (See Practice E1012.)3.2.3 bending strain LL1, nthe difference between thestrain at the surface and the axial strain. In general, the bendingstrain varies from point to
19、point around and along the reducedsection of the test specimen. (See Practice E1012.)3.2.4 constant amplitude loading, nin cyclic fatigue load-ing, a loading in which all peak loads are equal and all of thevalley forces are equal. (See Terminology E1823.)3.2.5 cyclic fatigue, nthe process of progres
20、sive localizedpermanent structural change occurring in a material subjectedto conditions that produce fluctuating stresses and strains atsome point or points and that may culminate in cracks orcomplete fracture after a sufficient number of fluctuations. (SeeTerminology E1823.) See Fig. 1 for nomencl
21、ature relevant tocyclic fatigue testing.3.2.5.1 DiscussionIn glass technology static tests of con-siderable duration are called static fatigue tests, a type of testgenerally designated as stress-rupture.3.2.5.2 DiscussionFluctuations may occur both in loadand with time (frequency) as in the case of
22、random vibration.3.2.6 cyclic fatigue life, Nfthe number of loading cycles ofa specified character that a given test specimen sustains beforefailure of a specified nature occurs. (See Terminology E1823.)3.2.7 cyclic fatigue limit, Sf, FL2, nthe limiting value ofthe median cyclic fatigue strength as
23、the cyclic fatigue life, Nf,becomes very large. (for example, N106-107). (See Terminol-ogy E1823)3.2.7.1 DiscussionCertain materials and environmentspreclude the attainment of a cyclic fatigue limit. Valuestabulated as cyclic fatigue limits in the literature are frequently(but not always) values of
24、Sfat 50 % survival at Nfcycles ofstress in which the mean stress, Sm, equals zero.3.2.8 cyclic fatigue strength SN, FL2, nthe limitingvalue of the median cyclic fatigue strength at a particular cyclicfatigue life, Nf. (See Terminology E1823.)3.2.9 gage length, L, nthe original length of that portion
- 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
10000 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:
- ASTMC13612010STANDARDPRACTICEFORCONSTANTAMPLITUDEAXIALTENSIONTENSIONCYCLICFATIGUEOFADVANCEDCERAMICSATAMBIENTTEMPERATURES

链接地址:http://www.mydoc123.com/p-464356.html