基本信息
标准名称: | 煤钻杆 |
中标分类: |
矿业 >>
矿山机械设备 >>
煤矿专用设备器材 |
发布部门: | 中华人民共和国煤炭工业部 |
发布日期: | 1996-04-18 |
实施日期: | 1996-10-01 |
首发日期: | |
作废日期: | |
提出单位: | 煤炭工业部煤矿专用设备标准化技术委员会 |
归口单位: | 煤炭工业部煤矿专用设备标准化技术委员会井巷设备分会 |
起草单位: | 煤炭科学研究总院上海分院和邵武煤矿机具厂 |
起草人: | 胡振年、王广钊、宋龙兴、许卫 |
出版社: | 中国煤炭工业出版社 |
出版日期: | 1996-10-01 |
页数: | 5页 |
适用范围
本标准规定了煤钻杆(以下简称“钻杆”)的产品分类、技术要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于在单轴抗压强度不大于50MPa的煤或半煤岩层中旋转钻孔用的干式和湿式钻杆。
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引用标准
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所属分类: 矿业 矿山机械设备 煤矿专用设备器材
【英文标准名称】:StandardTestMethodsforConstituentContentofCompositeMaterials
【原文标准名称】:用基质溶解法测定树脂基质混合物中纤维含量的标准试验方法
【标准号】:ASTMD3171-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;复合材料;含量测定;纤维;叠层板材;材料;模型;树脂;航天技术;试验
【英文主题词】:compositematerials;fibercontent;matrixcontent;reinforcementcontent;resincontent;voidvolume
【摘要】:Aconstituentcontentofacompositematerialmustbeknowninordertoanalyticallymodelthematerialproperties(mechanical,physical,thermal,orelectrical)ofthecompositewhichareaffectedbythereinforcementormatrix.Also,knowledgeoftheconstituentcontentisrequiredforevaluationofthequalityofafabricatedmaterialandtheprocessesusedduringfabrication.Thevoidvolumeofacompositematerialmaysignificantlyaffectsomeofitsmechanicalproperties.Highervoidvolumesusuallymeanlowerfatigueresistance,greatersusceptibilitytomoisturepenetrationandweathering,andincreasedvariationorscatterinstrengthproperties.Knowledgeofthevoidvolumeofacompositematerialisdesirableasanindicationofthequalityofacomposite.Reinforcementcontentmaybeusedtonormalizemechanicalpropertiesaffectedbyamountofreinforcementinthecoupon.DESIG:D317106^TITLE:StandardTestMethodsforConstituentContentofCompositeMaterials^SCOPE:1.Scope1.1Thesetestmethodsdeterminetheconstituentcontentofcompositematerialsbyoneoftwoapproaches.MethodIphysicallyremovesthematrixbydigestionorignitionbyoneofsevenprocedures,leavingthereinforcementessentiallyunaffectedandthusallowingcalculationofreinforcementormatrixcontent(byweightorvolume)aswellaspercentvoidvolume.MethodII,applicableonlytolaminatematerialsofknownfiberarealweight,calculatesreinforcementormatrixcontent(byweightorvolume),andthecuredplythickness,basedonthemeasuredthicknessofthelaminate.MethodIIisnotapplicabletothemeasurementofvoidvolume.1.1.1Thesetestmethodsareprimarilyintendedfortwo-partcompositematerialsystems.However,specialprovisionscanbemadetoextendthesetestmethodstofilledmaterialsystemswithmorethantwoconstituents,thoughnotalltestresultscanbedeterminedineverycase.1.1.2Theprocedurescontainedwithinhavebeendesignedtobeparticularlyeffectiveforcertainclassesofpolymerormetalmatrices.ThesuggestedapplicationsarediscussedinSection,aswellasatthestartofeachprocedure.1.1.3MethodIassumesthatthereinforcementisessentiallyunaffectedbythedigestionorignitionmedium.Aprocedureforcorrectionoftheresultsforminorchangesinthereinforcementisincluded.ProceduresAthroughFarebasedonchemicalremovalofthematrixwhileProcedureGremovesthematrixbyignitingthematrixinafurnace.1.1.4MethodIIassumesthatthefiberarealweightofthereinforcementmaterialformisknownorcontrolledtoanacceptabletolerance.Thepresenceofvoidsisnotmeasured.Eqn.1assumezerovoidcontenttoperformthecalculation.1.2TheSIunitsshownareconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSectionforadditionalinformation.
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:10P.;A4
【正文语种】: