【英文标准名称】:Plastics-Polyamide(PA)mouldingandextrusionmaterials-Part2:Preparationoftestspecimensanddeterminationofproperties(ISO1874-2:2006);EnglishversionofDINENISO1874-2:2007-04
【原文标准名称】:塑料.聚酰胺(PA)注塑和压塑材料.第2部分:试样制备和性能测定
【标准号】:ENISO1874-2-2006
【标准状态】:现行
【国别】:
【发布日期】:2007-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:状态调节;条件;名称与符号;测定;电性能;压塑;喷射铸造法;机械性能;模制材料;塑料;聚酰胺;生产;特性;流变性能;试样制备;试样;试验;试验条件;热性能;热塑性聚合物
【英文主题词】:Conditioning;Conditions;Designations;Determination;Electricalproperties;Extrusion;Injectionmoulding;Mechanicalproperties;Mouldings(shapedsection);Plastics;Polyamides;Production;Properties;Rheologicalproperties;Specimenpreparation;Testspecimens;Testing;Testingconditions;Thermalproperties;Thermoplasticpolymers
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:14P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 液体火箭质量、质心和转动惯量计算方法 |
| 中标分类： |
航空、航天 >>
航天器及其附件 >>
航天器综合 |
| ICS分类： |
航空器和航天器工程 >>
航空器与航天器综合
|
| 替代情况： | QJ 1080-86 |
| 发布日期： | |
| 实施日期： | |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 航空 航天 航天器及其附件 航天器综合 航空器和航天器工程 航空器与航天器综合
【英文标准名称】:StandardGuideforCorrosionTestsinHighTemperatureorHighPressureEnvironment,orBoth
【原文标准名称】:高温或高压环境中或高温高压环境中的腐蚀试验
【标准号】:ASTMG111-1997(2006)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:G01.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:腐蚀;金属;材料试验
【英文主题词】:corrosiontests;highpressure;hightemperature
【摘要】:HPandHTHPcorrosiontestsarecommonlyusedtoevaluatethecorrosionperformanceofmetallicmaterialsunderconditionsthatattempttosimulateserviceconditionsthatinvolveHPorHTHPincombinationwithserviceenvironments.ExamplesofserviceenvironmentswhereHPandHTHPcorrosiontestshavebeenutilizedincludechemicalprocessing,petroleumproductionandrefining,foodprocessing,pressurizedcoolingwater,electricpowersystemsandaerospacepropulsion.Fortheapplicationsofcorrosiontestinglistedin5.1,theserviceinvolveshandlingcorrosiveandpotentiallyhazardousmediaunderconditionsofhighpressureorhightemperature,orboth.Thetemperatureandpressureusuallyenterdirectlyintotheseverityofthecorrosionprocess.Consequently,thelaboratoryevaluationofcorrosionseveritycannotbeperformedinconventionallowpressureglasswarewithoutmakingpotentiallyinvalidassumptionsastothepotentialeffectsofhightemperatureandpressureoncorrosionseverity.Therefore,thereisasubstantialneedtoprovidestandardizedmethodsbywhichcorrosiontestingcanbeperformedunderHPandHTHP.Inmanycases,however,thestandardsusedforexposureofspecimensinconventionallowpressureglasswareexperimentscannotbefollowedduetothelimitationsofaccess,volumeandvisibilityarisingfromtheconstructionofhighpressuretestcells.ThisguidereferstoexistingcorrosionstandardsandpracticesasapplicableandthengoesfurtherinareaswherespecificguidelinesforperformingHPandHTHPcorrosiontestingareneeded.1.1Thisguidecoversprocedures,specimens,andequipmentforconductinglaboratorycorrosiontestsonmetallicmaterialsunderconditionsofhighpressure(HP)orthecombinationofhightemperatureandhighpressure(HTHP).Seefordefinitionsofhighpressureandtemperature.1.2TestsconductedunderHPorHTHPbytheirnaturehavespecialrequirements.Thisguideestablishesthebasicconsiderationsthatarenecessarywhentheseconditionsmustbeincorporatedintolaboratorycorrosiontests.1.3Theproceduresandmethodsinthisguideareapplicableforconductingmasslosscorrosion,localizedcorrosion,andelectrochemicaltestsaswellasforuseinenvironmentallyinducedcrackingteststhatneedtobeconductedunderHPorHTHPconditions.1.4Theprimarypurposeforthisguideistopromoteconsistencyofcorrosiontestresults.Furthermore,thisguidewillaidinthecomparisonofcorrosiondatabetweenlaboratoriesortestingorganizationsthatutilizedifferentequipment.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformaitononly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:5P.;A4
【正文语种】: