ASTM G32-2006 使用振动装置对气泡浸蚀的标准试验方法
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【英文标准名称】:StandardTestMethodforCavitationErosionUsingVibratoryApparatus
【原文标准名称】:使用振动装置对气泡浸蚀的标准试验方法
【标准号】:ASTMG32-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:G02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:腐蚀;侵蚀腐蚀;金属;试验;磨损
【英文主题词】:cavitation;cavitationerosion;erosionbyliquids;erosion-corrosion;erosionofsolids;erosionresistance;erosiontest;vibratorycavitation
【摘要】:1.1Thistestmethodproducescavitationdamageonthefaceofaspecimenvibratedathighfrequencywhileimmersedinaliquid.Thevibrationinducestheformationandcollapseofcavitiesintheliquid,andthecollapsingcavitiesproducethedamagetoanderosion(materialloss)ofthespecimen.1.2Althoughthemechanismforgeneratingfluidcavitationinthismethoddiffersfromthatoccurringinflowingsystemsandhydraulicmachines(see),thenatureofthematerialdamagemechanismisbelievedtobebasicallysimilar.Themethodthereforeoffersasmall-scale,relativelysimpleandcontrollabletestthatcanbeusedtocomparethecavitationerosionresistanceofdifferentmaterials,tostudyindetailthenatureandprogressofdamageinagivenmaterial,or-byvaryingsomeofthetestconditions-tostudytheeffectoftestvariablesonthedamageproduced.1.3Thistestmethodspecifiesstandardtestconditionscoveringthediameter,vibratoryamplitudeandfrequencyofthespecimen,aswellasthetestliquidanditscontainer.Itpermitsdeviationsfromsomeoftheseconditionsifproperlydocumented,thatmaybeappropriateforsomepurposes.Itgivesguidanceonsettingupasuitableapparatusandcoverstestandreportingproceduresandprecautionstobetaken.Italsospecifiesstandardreferencematerialsthatmustbeusedtoverifytheoperationofthefacilityandtodefinethenormalizederosionresistanceofothertestmaterials.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyprecautionaryinformation,see6.1,10.3,and10.6.1.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:15P.;A4
【正文语种】:
【原文标准名称】:使用振动装置对气泡浸蚀的标准试验方法
【标准号】:ASTMG32-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:G02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:腐蚀;侵蚀腐蚀;金属;试验;磨损
【英文主题词】:cavitation;cavitationerosion;erosionbyliquids;erosion-corrosion;erosionofsolids;erosionresistance;erosiontest;vibratorycavitation
【摘要】:1.1Thistestmethodproducescavitationdamageonthefaceofaspecimenvibratedathighfrequencywhileimmersedinaliquid.Thevibrationinducestheformationandcollapseofcavitiesintheliquid,andthecollapsingcavitiesproducethedamagetoanderosion(materialloss)ofthespecimen.1.2Althoughthemechanismforgeneratingfluidcavitationinthismethoddiffersfromthatoccurringinflowingsystemsandhydraulicmachines(see),thenatureofthematerialdamagemechanismisbelievedtobebasicallysimilar.Themethodthereforeoffersasmall-scale,relativelysimpleandcontrollabletestthatcanbeusedtocomparethecavitationerosionresistanceofdifferentmaterials,tostudyindetailthenatureandprogressofdamageinagivenmaterial,or-byvaryingsomeofthetestconditions-tostudytheeffectoftestvariablesonthedamageproduced.1.3Thistestmethodspecifiesstandardtestconditionscoveringthediameter,vibratoryamplitudeandfrequencyofthespecimen,aswellasthetestliquidanditscontainer.Itpermitsdeviationsfromsomeoftheseconditionsifproperlydocumented,thatmaybeappropriateforsomepurposes.Itgivesguidanceonsettingupasuitableapparatusandcoverstestandreportingproceduresandprecautionstobetaken.Italsospecifiesstandardreferencematerialsthatmustbeusedtoverifytheoperationofthefacilityandtodefinethenormalizederosionresistanceofothertestmaterials.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyprecautionaryinformation,see6.1,10.3,and10.6.1.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:15P.;A4
【正文语种】:
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