ASTM D6644-2001(2007) 有眼镶边纽扣抗拉强度的标准试验方法

作者:标准资料网 时间:2024-05-15 01:24:17  浏览:8690   来源:标准资料网

【英文标准名称】:StandardTestMethodforTensionStrengthofSew-ThroughFlangeButtons
【原文标准名称】:有眼镶边纽扣抗拉强度的标准试验方法
【标准号】:ASTMD6644-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bridgeofbutton;buttonfailure
【摘要】:Thistestmeasuresanimportantpropertytousersofsewthroughflangebuttons.Thisisameansofdeterminingtheresistanceofthebridgeofthebuttontoastrainwhichcancauseittofalloffagarmenttowhichitisattached.Iftherearedifferencesofpracticalsignificancebetweenthereportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesshouldbeusedthatareashomogeneousaspossible,thataredrawnfromthematerialfromwhichthedisparatetestresultswereobtained,andthatarerandomlyassignedinequalnumberstoeachlaboratoryfortesting,Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsforthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.1.1Thistestmethodmeasurestheresistanceofthebridgeofasew-throughbuttontoasteadilyincreasingstrain.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasthestandard.Withinthetext,theinch-poundunitsareshowninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththepractice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y76
【国际标准分类号】:19_060;59_020
【页数】:2P.;A4
【正文语种】: