HG/T 3332-1980 耐电弧漆耐电弧性测定法
时间:2024-05-14 22:05:18 来源: 标准资料网 作者：标准资料网 阅读：8601
基本信息
| 标准名称： | 耐电弧漆耐电弧性测定法 |
| 中标分类： |
电工 >>
电工材料和通用零件 >>
电工绝缘材料及其制品 |
| ICS分类： |
电气工程 >>
绝缘材料 >>
其他绝缘材料
|
| 替代情况： | 由HG 2-60-1980改号 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1992-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
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： 电工 电工材料和通用零件 电工绝缘材料及其制品 电气工程 绝缘材料 其他绝缘材料
【英文标准名称】:
【原文标准名称】:虫胶
【标准号】:JISK5909-1962
【标准状态】:作废
【国别】:日本
【发布日期】:1962-05-01
【实施或试行日期】:1962-05-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:树脂(天然);虫胶
【英文主题词】:
【摘要】:
【中国标准分类号】:G39
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforCompressivePropertiesofPlasticLumberandShapes
【原文标准名称】:塑料条材和形材压缩特性的标准试验方法
【标准号】:ASTMD6108-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D20.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;抗压强度;塑料;塑料件;弹性模量
【英文主题词】:compressiveproperties;compressivestrength;modulusofelasticity;plasticlumber;plasticshapes;recycledplastic;secantmodulus;stressatagivenstrain
【摘要】:Compressiontestsprovideinformationaboutthecompressivepropertiesofplasticlumberandshapeswhentheseproductsareusedunderconditionsapproximatingthoseunderwhichthetestsaremade.Formanymaterials,theremaybeaspecificationthatrequirestheuseofthistestmethod,butwithsomeproceduralmodificationsthattakeprecedencewhenadheringtothespecification.Therefore,itisadvisabletorefertothatmaterialspecificationbeforeusingthistestmethod.Table1inClassificationD4000liststheASTMmaterialsstandardsthatcurrentlyexist.Compressivepropertiesincludemodulusofelasticity,secantmodulus,compressivestrength,andstressatagivenstrain.Inthecaseofamaterialthatfailsincompressionbyashatteringfracture,thecompressivestrengthhasaverydefinitevalue.Inthecaseofamaterialthatdoesnotfailincompressionbyashatteringfracturenorexhibitsacompressiveyieldpoint,thecompressivestrengthisanarbitraryonedependinguponthedegreeofdistortionthatisregardedasindicatingcompletefailure.Manyplasticlumbermaterialswillnotexhibitatrueyieldpoint.Compressivestrengthcanhavenorealmeaninginsuchcases.Forplasticlumber,thestressatagivenstrainof3%(0.03in./in.[mm/mm])istypicallyused.Compressiontestsprovideastandardmethodofobtainingdataforresearchanddevelopment,qualitycontrol,acceptanceorrejectionunderspecifications,andspecialpurposes.Thetestscannotbeconsideredsignificantforengineeringdesigninapplicationsdifferingwidelyfromtheload-timescaleofthestandardtest.Suchapplicationsrequireadditionaltestssuchasimpact,creep,andfatigue.1.1Thistestmethodcoversthedeterminationofthemechanicalpropertiesofplasticlumberandshapes,whentheentirecross-sectionisloadedincompressionatrelativelylowuniformratesofstrainingorloading.Testspecimensinthe"as-manufactured"formareemployed.Assuch,thisisatestmethodforevaluatingthepropertiesofplasticlumberorshapesasaproductandnotamaterialpropertytestmethod.1.2Plasticlumberandplasticshapesarecurrentlymadepredominantlywithrecycledplastics.However,thistestmethodwouldalsobeapplicabletosimilarmanufacturedplasticproductsmadefromvirginresins,orwheretheproductisnon-homogenousinthecross-section.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_140_01
【页数】:5P.;A4
【正文语种】: