HB 7099-1994 民用航空器燃油流量表最低性能要求

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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】:


【英文标准名称】:Implantsforsurgery-Ultra-high-molecular-weightpolyethylene-Powderform
【原文标准名称】:外科植入物.超高分子量聚乙烯.粉剂型
【标准号】:BSISO5834-1-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-11-10
【实施或试行日期】:2005-11-10
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:含量;交货条件;密度;含量测定;植入物(外科);加标签;作标记;材料;医疗设备;医学科学;模制材料;粒状材料;PE;超高分子量聚乙烯;塑料;聚乙烯;聚乙烯模塑材料;粉状的;特性;规范(验收);规范;外科学;外科植入物;试验设备;试验;UHMWPE;UHMWPE模制件;超高分子
【英文主题词】:Content;Deliveryconditions;Density;Determinationofcontent;Implants(surgical);Labelling(process);Marking;Materials;Medicalequipment;Medicalsciences;Mouldings(shapedsection);Particulatematerials;PE;PE-UHMW;Plastics;Polyethylene;Polyethylenemouldingmaterials;Powdery;Properties;Specification(approval);Specifications;Surgery;Surgicalimplants;Testequipment;Tests;UHMWPE;UHMWPE-Mouldings;Ultrahighmolecular
【摘要】:ThispartofISO5834specifiestherequirementsandcorrespondingtestmethodsformouldingmaterialsinpowderformmadefromultra-high-molecular-weightpolyethylene(UHMWPE)foruseinthemanufactureofsurgicalimplants.Itisnotapplicabletofinishedproducts.
【中国标准分类号】:C35
【国际标准分类号】:11_040_40;83_080_20
【页数】:12P;A4
【正文语种】:英语