HB/Z 141-1989 模锻件结构要素
时间:2024-05-20 06:21:05 来源: 标准资料网 作者：标准资料网 阅读：8422
基本信息
| 标准名称： | 模锻件结构要素 |
| 中标分类： |
|
| ICS分类： |
航空器和航天器工程 >>
航空航天制造用材料
|
| 发布日期： | 1989-05-13 |
| 实施日期： | 1989-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 30页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 航空器和航天器工程 航空航天制造用材料
【英文标准名称】:StandardTestMethodforCreep-FatigueTesting
【原文标准名称】:蠕变疲劳试验的标准试验方法
【标准号】:ASTME2714-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E08.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:龟裂形成
【英文主题词】:crackformation;creep;creep-fatiguedamage;cyclicdeformation;earlycrackgrowth;fatigue;metallicmaterials
【摘要】:Creep-fatiguetestingistypicallyperformedatelevatedtemperaturesandinvolvesthesequentialorsimultaneousapplicationoftheloadingconditionsnecessarytogeneratecyclicdeformation/damageenhancedbycreepdeformation/damageorviceversa.Unlesssuchtestsareperformedinvacuumoraninertenvironment,oxidationcanalsoberesponsibleforimportantinteractioneffectsrelatingtodamageaccumulation.Thepurposeofcreep-fatiguetestscanbetodeterminematerialpropertydatafor(a)assessmentinputdataforthedeformationanddamageconditionanalysisofengineeringstructuresoperatingatelevatedtemperatures(b)theverificationofconstitutivedeformationanddamagemodeleffectiveness(c)materialcharacterization,or(d)developmentandverificationofrulesfornewconstructionandlifeassessmentofhigh-temperaturecomponentssubjecttocyclicservicewithlowfrequenciesorwithperiodsofsteadyoperation,orboth.Ineverycase,itisadvisabletohavecomplementarycontinuouscyclingfatiguedata(gatheredatthesamestrain/loadingrate)andcreepdatadeterminedfromtestconductedasperPracticeE139forthesamematerialandtesttemperature(s).Theprocedureisprimarilyconcernedwiththetestingofroundbartestspecimenssubjected(atleastremotely)touniaxialloadingineitherforceorstraincontrol.Thefocusoftheprocedureisontestsinwhichcreepandfatiguedeformationanddamageisgeneratedsimultaneouslywithinagivencycle.Datawhichmaybedeterminedfromcreep-fatiguetestsperformedundersuchconditionsmaycharacterize(a)cyclicstress-straindeformationresponse(b)cycliccreep(orrelaxation)deformationresponse(c)cyclichardening,cyclicsofteningresponseor(d)cyclestocrackformation,orboth.4.3WhilethereareanumberoftestingStandardsandCodesofPracticethatcoverthedeterminationoflowcyclefatiguedeformationandcyclestocrackinitiationproperties(SeePracticeE606,BS7270:2000,JISZ2279x2013;1992,PrEN3874,1998,PrEN3988x2013;1998,ISO12106x2013;2003,ISO12111x2013;2005,andPracticeE2368-04and(1,2,3),someofwhichprovideguidancefortestingathightemperature(forexample,PracticeE606,ISO12106x2013;2003,andPracticeE2368-04,thereisnosinglestandardwhichspecificallyprescribesaprocedureforcreep-fatiguetesting.1.1Thistestmethodcoversthedeterminationofmechanicalpropertiespertainingtocreep-fatiguedeformationorcrackformationinnominallyhomogeneousmaterials,orbothbytheuseoftestspecimenssubjectedtouniaxialforcesunderisothermalconditions.Itconcernsfatiguetestingatstrainratesorwithcyclesinvolvingsufficientlylongholdtimestoberesponsibleforthecyclicdeformationresponseandcyclestocrackformationtobeaffectedbycreep(andoxidation).Itisintendedasatestmethodforfatiguetestingperformedinsupportofsuchactivitiesasmaterialsresearchanddevelopment,mechanicaldesign,processandqualitycontrol,productperformance,andfailureanalysis.Thecycliccondi......
【中国标准分类号】:H22
【国际标准分类号】:19_060
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries;testmethodsfortransparentmaterialsforaircraftglazing;part2:determinationofwaterabsorption;germanversionEN2155-2:1993
【原文标准名称】:航空航天系列.飞行器窗玻璃用透明材料的试验方法.第2部分:吸水率测定
【标准号】:DINEN2155-2-1993
【标准状态】:现行
【国别】:德国
【发布日期】:1993-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:吸水试验;透明软片;材料;透明度;吸水率;航空运输;门窗玻璃;丙烯酸玻璃;塑料;航天运输;玻璃;飞行器;测定;航空航天运输;飞行器部件;试验
【英文主题词】:Acrylicglasses;Aerospacetransport;Airtransport;Aircraft;Aircraftcomponents;Determination;Glass;Glazing;Materials;Plastics;Spacetransport;Testing;Transparencies;Transparency;Waterabsorption;Water-absorptiontests
【摘要】:ThisdokumentdescribesthemethodusedforthedeterminationofthewaterabsorptionbymeansofimmersioninconformancewithISO62,method1,applicablefortransparentmaterials.Inaddition,itspecifiestheparticularconditionsforaircraftglazing.#,,#
【中国标准分类号】:V13
【国际标准分类号】:49_025_99
【页数】:6P.;A4
【正文语种】:德语