SAE AMS5342 Steel, Corrosion Resistant, Investment Castings 16cr 4.1ni O.28cb 3.2cu, Homogenization, Solution, and Prec
时间:2024-05-21 18:58:28 来源: 标准资料网 作者：标准资料网 阅读：8236
Product Code:SAE AMS5342
Title:Steel, Corrosion Resistant, Investment Castings 16cr 4.1ni O.28cb 3.2cu, Homogenization, Solution, and Precipitation Heat Treated 130 Ksi (896 Mpa) Tensile Strength
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion-resistant steel in the form of investment castings.
【英文标准名称】:Plastics-Polyamides-Determinationofviscositynumber
【原文标准名称】:塑料.聚酰胺.粘度值的测定
【标准号】:BSENISO307-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【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】: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;Definitions;Determination;Instruments;Mathematicalcalculations;Mouldings(shapedsection);Plastics;Polyamides;Solutions;Solvents;Specimenpreparation;Testing;Thermoplasticpolymers;Viscosity;Viscositymeasurement;Viscositynumbers
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationoftheviscositynumberofdilutesolutionsofpolyamidesincertainspecifiedsolvents.Polyamidesamplesmustbecompletelysolubleinthesolventsmentioned.Additivessuchasflame-retardantsandmodifiersofteninterferewiththeviscositymeasurement,havinganincreasingeffectontheviscositynumberinformicacidandadecreasingeffectontheviscositynumberinsulfuricacid.Theextentoftheeffectforpolyamidecompoundsdependsontheadditive,thequantityoftheadditive,thepresenceofotheradditivesandthecompoundingconditions.Forpurepolyamidesorpolyamidescontainingadditivesthatdonotinterferewiththeviscositymeasurement,thedeterminationoftheviscositynumberofapolyamideprovidesameasureofthemolecularmassofthepolymer.Theviscositynumberofpurepolyamidesorpolyamideswhichcontainadditivesthatdonotinterferewiththeviscositymeasurementcanbeconvertedfromonesolventtoanother.Theviscositynumberofpolyamidescontainingadditivesthatdointerferewiththeviscositymeasurementisspecifictothesolventusedandthematerialcomposition.Inthiscase,themeasuredviscositynumbercannotbeconvertedfromonesolventtoanother.ThemethodisapplicabletothepolyamidesdesignatedPA46,PA6,PA66,PA69,PA610,PA612,PA11,PA12,PA6T/66,PA6I/6T,PA6T/6I/66,PA6T/6I,PA6I/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】:44P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforInSituCompressiveStressWithinSolidUnitMasonryEstimatedUsingFlatjackMeasurements
【原文标准名称】:用液压千斤顶现场测量实心砌块抗压应力的标准试验方法
【标准号】:ASTMC1196-2009
【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】:C15.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressivestress;flatjack;insitu;masonry;nondestructiveevaluation;Compressiontesting--masonry/mortar;Flatjackmethod;Masonryunits;Multi-whythemasonry;Nondestructiveevaluation(NDE)--nonmetallicmaterials
【摘要】:Stressisappliedaspressureovertheareaoftheflatjack.Inthecaseofmulti-wythemasonry,stressisestimatedonlyinthewytheinwhichtheflatjackisinserted.Stressinotherwythesmaybedifferent.1.1Thistestmethodcoversthedeterminationoftheaveragecompressivestressinexistingunreinforcedsolid-unitmasonry(seeNote1).Thistestmethodconcernsthemeasurementofin-situcompressivestressinexistingmasonrybyuseofthin,bladder-likeflatjackdevicesthatareinstalledinsawcutmortarjointsinthemasonrywall.Thistestmethodprovidesarelativelynon-destructivemeansofdeterminingmasonrypropertiesinplace.Note18212;Solid-unitmasonryisthatbuiltwithstone,concrete,orclayunitswhosenetareaisequaltoorgreaterthan75%ofthegrossarea.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q15
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:英语