JC 148-1967 磷酸锌胶凝材料化学分析方法
作者:标准资料网 时间:2024-05-19 10:41:38 浏览:9768
来源:标准资料网
基本信息
标准名称: | 磷酸锌胶凝材料化学分析方法 |
中标分类: |
建材 >>
建材产品 >>
建材产品综合 |
发布日期: | |
实施日期: | 2003-09-13 |
首发日期: | |
作废日期: | |
出版日期: | |
适用范围
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前言
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目录
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引用标准
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所属分类: 建材 建材产品 建材产品综合
Product Code:SAE AIR4495
Title:Helicopter Powerplant Corrosion Protection
Issuing Committee:S-12 Helicopter Powerplant Committee
Scope: This SAE Aerospace Information Report (AIR) describes the different aspects of corrosion on helicopter powerplants, on the components that are affected, and the subsequent consequences on the helicopter, engine durability, performance and dependability. Guidelines that minimize corrosion during the design stage and during service operation are also discussed.【英文标准名称】:StandardTestMethodforVicatSofteningTemperatureofPlastics
【原文标准名称】:塑料维卡(Vicat)软化温度的标准试验方法
【标准号】:ASTMD1525-2009
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:plastics;thermoplastics;Vicatsofteningtemperature;Softeningtemperature;Temperaturetests--plastics;Thermoplastics;Vicatsofteningtemperature(VST)
【摘要】:Dataobtainedbythistestmethodisusedtocomparetheheat-softeningqualitiesofthermoplasticmaterials.Thistestmethodisusefulintheareasofqualitycontrol,development,andcharacterizationofplasticmaterials.1.1Thistestmethodcoversdeterminationofthetemperatureatwhichaspecifiedneedlepenetrationoccurswhenspecimensaresubjectedtospecifiedcontrolledtestconditions.1.2Thistestmethodisnotrecommendedforethylcellulose,nonrigidpoly(vinylchloride),poly(vinylidenechloride),orothermaterialshavingawideVicatsofteningrange.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.1.4Duetothepotentialsafetyandenvironmentalhazardsassociatedwithmercury-filledthermometers,theuseofalternativetemperaturemeasuringdevices(suchasthermocouplesandRTDs)isencouraged.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodisequivalenttoISO306inallsectionswiththeexceptionsoftheallowanceforcreep,priortothebeginningofthetestandtheallowanceofthefluidizedpowderasaheattransfermedium.
【中国标准分类号】:G33
【国际标准分类号】:83_080_01
【页数】:10P.;A4
【正文语种】:英语