【英文标准名称】:StandardPracticeforFabricatingNon-OxideCeramicReferenceSpecimensContainingSeededInclusions
【原文标准名称】:夹杂渗渣的纤维非氧化陶瓷增强样品的标准实施规程
【标准号】:ASTMC1336-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:C28.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancedceramics;non-oxideceramics;Advancedceramics;Ceramicreferencespecimens;Fabricatedmaterials;Greensiliconcarbide/nitridesamples;Inclusions;Nonoxideceramicreferencespecimens;Seededinclusions;Sinteredsiliconcarbide/nitridesamp
【摘要】:Thispracticedescribesamethodoffabricationofknowndiscontinuitiesinaceramicspecimen.Suchspecimensareneededandusedinnondestructiveexaminationtodemonstratesensitivityandresolutionandtoassistinestablishingproperexaminationparameters.1.1Thispracticecoversaprocedureforfabricatingbothgreenandsinteredtestsamplesofsiliconcarbideandsiliconnitridecontaininginclusions.Thesesamplescanbeusedtodeterminethesensitivityanddetectioncapabilityofanondestructiveexamination(NDE)method.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_01
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Mechanicalvibration-Evaluationofmachinevibrationbymeasurementsonnon-rotatingparts-Part2:Land-basedsteamturbinesandgeneratorsinexcessof50MWwithnormaloperatingspeedsof1500r/min,1800r/min,3000r/minand3600r/min
【原文标准名称】:机械振动.通过在非旋转部件上的测量评价机械振动.第2部分:功率超过50MW,额定转速为1500r/min、1800r/min、3000r/min和3600r/min的地面安装的蒸汽轮机和发电机组
【标准号】:ISO10816-2-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;验收试验;轴承;组件;交货条件;评估;发电机组;发电机;极限(数学);机械振动;机器;测量;测量技术;机械工程;机械试验;性能;旋转速度;静止的;蒸汽发动机;蒸汽轮机;汽轮(发电)机组;振动;振动工程;振动测量;振动强度;振动试验
【英文主题词】:Acceptancespecification;Acceptancetests;Bearings;Components;Deliveryconditions;Evaluations;Generatingsets;Generators;Limits(mathematics);Machinevibration;Machines;Measurement;Measuringtechniques;Mechanicalengineering;Mechanicaltesting;Performance;Rotationalspeeds;Stationary;Steamengines;Steamturbines;Steamturbosets;Vibration;Vibrationengineering;Vibrationmeasurement;Vibrationseverity;Vibrationtests
【摘要】:ThispartofISO10816establishesprovisionsforevaluatingtheseverityofin-situ,broad-bandvibrationmeasuredradial(i.e.transverse)totheshaftaxisonallmainbearinghousingsorpedestalsandintheaxialdirectiononthrustbearings.Theseareintermsof:?vibrationundernormalsteady-stateoperatingconditions;?vibrationduringother(non-steady-state)conditionswhentransientchangesaretakingplace,includingrunuporrundown,initialloadingandloadchanges;?changesinvibrationwhichcanoccurduringnormalsteady-stateoperation.ThispartofISO10816isapplicabletoland-basedsteamturbinesandgeneratorswithpoweroutputsgreaterthan50MWandanormaloperatingspeedof1500r/min,1800r/min,3000r/minor3600r/min.Itisalsoapplicabletosteamturbinesand/orgeneratorswhicharedirectlycoupledtoagasturbine(suchasforcombined-cycleapplications).Insuchcases,thecriteriaofthispartofISO10816applyonlytothesteamturbineandthegenerator(includingsynchronizingclutches).ISO7919-4andISO10816-4areapplicabletotheevaluationofthegasturbinevibration.TheevaluationcriteriainthispartofISO10816arenotapplicabletotheelectromagneticexcitedvibrationwithtwicelinefrequencyatthegeneratorstatorcoreandhousing.Thenumericalvaluesspecifiedarenotintendedtoserveastheonlybasisforjudgingtheseverityofvibration.Forlargesteamturbinesandgenerators,itisalsocommontojudgethevibrationbasedonmeasurementstakenontherotatingshafts.Forsuchvibrationmeasurementrequirements,seeISO7919-1andISO7919-2.
【中国标准分类号】:J04;Z32
【国际标准分类号】:17_160;27_040
【页数】:20P.;A4
【正文语种】:英语