SAE ARP601 Hose Assemblies, Flexible, Metal, Aeronautical, Low Pressure (Cancelled Dec 2002, Superseded by AS1424)
时间:2024-05-14 10:07:14 来源: 标准资料网 作者：标准资料网 阅读：9266
Product Code:SAE ARP601
Title:Hose Assemblies, Flexible, Metal, Aeronautical, Low Pressure (Cancelled Dec 2002, Superseded by AS1424)
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:
【英文标准名称】:Plastics-Polyamides-Determinationofviscositynumber(ISO307:2007);EnglishversionofDINENISO307:2007-08
【原文标准名称】:塑料.聚酰胺.粘度值的测定(ISO307-2007)
【标准号】:DINENISO307-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;定义;测定;仪器;数学计算;模制材料(成型部件);塑料;聚酰胺;溶液;溶剂;试样制备;测试;热塑性聚合物;粘度;粘度测量;粘度值
【英文主题词】:Chemicalanalysisandtesting;Definition;Definitions;Determination;Instruments;Mathematicalcalculations;Mouldings(shapedsection);Plastics;Polyamides;Solutions;Solvents;Specimenpreparation;Testing;Thermoplasticpolymers;Viscosity;Viscositymeasurement;Viscositynumbers
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationoftheviscositynumberofdilutesolutionsofpolyamidesincertainspecifiedsolvents.Polyamidesamplesmustbecompletelysolubleinthesolventsmentioned.Additivessuchasfiame-retardantsandmodifiersofteninterferewiththeviscositymeasurement,havinganincreasingeffectontheviscositynumberinformicacidandadecreasingeffectontheviscositynumberinsulfuricacid.Theextentoftheeffectforpolyamidecompoundsdependsontheadditive,thequantityoftheadditive,thepresenceofotheradditivesandthecompoundingconditions.Forpurepolyamidesorpolyamidescontainingadditivesthatdonotinterferewiththeviscositymeasurement,thedeterminationoftheviscositynumberofapolyamideprovidesameasureofthemolecularmassofthepolymer.Theviscositynumberofpurepolyamidesorpolyamideswhichcontainadditivesthatdonotinterferewiththeviscositymeasurementcanbeconvertedfromonesolventtoanother.Theviscositynumberofpolyamidescontainingadditivesthatdointerferewiththeviscositymeasurementisspecifictothesolventusedandthematerialcomposition.Inthiscase,themeasuredviscositynumbercannotbeconvertedfromonesolventtoanother.ThemethodisapplicabletothepolyamidesdesignatedPA46,PA6,PA66,PA69,PA610,PA612,PA11,PA12,PA6T/66,PA61/6T,PA6T/61/66,PA6T/61,PA61/6T/66andPAMXD6asdefinedinISO1874-1,aswellastocopolyamides,compoundsofpolyamidesandotherpolyamidesthataresolubleinoneofthespecifiedsolventsunderthespecifiedconditions.Themethodisnotapplicabletopolyamidesproducedbyanionicpolymerizationoflactamsorproducedwithcross-linkingagents;suchpolyamidesarenormallyinsolubleinthespecifiedsolvents.TheviscositynumberisdeterminedbythegeneralprocedurespecifiedinISO1628-1,observingtheparticularconditionsspecifiedinthisInternationalStandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:40P.;A4
【正文语种】:德语
Product Code:SAE AMSH6088
Title:Heat Treatment of Aluminum Alloys
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope: This specification covers the requirements and recommendations for the heat treatment of aluminum alloy rolled, extruded, forged, drawn, and cast product. It does not cover the requirements for the heat treatment of aluminum alloy parts. Subjects covered are: process establishment and re-establishment: periodic process surveys: periodic product monitoring: furmaces and operation controls: pyrometirc equipment; quenching equipment, media, and operation controls; parameters and procedures for solution heat treatment, quenching, age hardening, and annealing; requirements for inspections and record keeping; test methods; and limits of product acceptability.