DIN 1152-1959 圆形钉.冷墩头
时间:2024-05-09 06:42:33 来源: 标准资料网 作者：标准资料网 阅读：9649
【英文标准名称】:Roundnailswithcoldheadedhead
【原文标准名称】:圆形钉.冷墩头
【标准号】:DIN1152-1959
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforRelativeHidingPowerofPaintsbytheVisualEvaluationofBrushouts
【原文标准名称】:用擦试外规评定法对涂料相对遮盖力的标准试验方法
【标准号】:ASTMD344-1997(2004)
【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】:D01.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:外观检查(试验);验收检验;覆盖力;涂料;涂漆;试验
【英文主题词】:hidingpower;relativehiding;opacity
【摘要】:Thistestmethodevaluatesthehidingpowerofatestpaintrelativetoacomparisonpaint.Theresultshavesignificanceonlywithinthatrelationship.Itmaybeusedforproductioncontrolorqualitycomparisons.Whenapaintisappliedbybrushoranyotherpracticalmethod,theopacityofthefilmisaffectedbyvariationsinfilmthicknessrelatedtotheapplicationprocedureandtotheapplicationcharacteristicsofthepaint.Twopaintsthathideequallywellbythismethodmightthereforedifferconsiderablywhenappliedwithadoctorblade,sincethelattermethodgivesessentiallyperfectleveling.Differentbrushesorsurfaceapplicationconditionscanlikewisegivedifferentresults.Note18212;TestMethodD2805describesaninstrumentalmethodforquantitativelydetermininghidingpowerwithoutreferencetoamaterialpaintstandard.Thepaintfilmisappliedatauniformthickness(forexample,withadoctorblade),thefilmthicknessismeasuredrigorously,andtheopacityisevaluatedphotometrically.Hidingpoweristherebydeterminedwithahighdegreeofprecision.TestMethodD344islessprecisethanTestMethodD2805,butismorepracticalbecauseitisresponsivetotheapplicationcharacteristicsofpaints,andissimplerinconceptandexecution.1.1Thistestmethodprovidesforthequalitativeandquantitativevisualdeterminationofthehidingpowerofatestpaintrelativetothatofacomparisonpaint.1.2Thistestmethoddescribesonlyabrushoutapplicationprocedureinspecificdetail,butitsconceptsarevalidforothermethodsofapplicationaswell.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Plastics;Determinationofmodulusofelasticitybyalternatingflexure
【原文标准名称】:塑料交替弯曲的弹性模量的测定
【标准号】:ISO/TR4137-1978
【标准状态】:现行
【国别】:国际
【发布日期】:1978-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:规范;试验;扭转试验;弹性模量;塑料
【英文主题词】:Modulusofelasticity;Plastics;Specifications;Testing;Tests
【摘要】:ThisreportdescribesamethodforthedeterminationofthelongitudinalmodulsofelasticityofplasticsbymeansofSavartspendulum.Themethodisapplicabletoproductsforwhichthecharacteristicdeterminedisgreaterthan1500MPaandwhichitispossibletopreparespecimensfrom1to5mminthicknessbycutting.Theelasticityofthetestpieceisemployedforthetransmissionofenergyfromonependulumtoanother,thetestpiecebeingusedasasupportforbothpendulums.Theamplitudeoftheoscillationsofthedrivingpendulumgraduallydecreasesuntilitstops.Thetimebetweenstartingupandthefirststoppingofthedrivingpendulumisthehalf-oscillationperiod,whichisafunctionofthelongitudinal(Young's)modulsofelasticityofthespecimeninalternatingflexure.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:7P;A4
【正文语种】:英语