【英文标准名称】:StandardPracticeforIndentationHardnessofMetallicMaterialsbyComparisonHardnessTesters
【原文标准名称】:用比较硬度测试仪测量金属材料的压痕硬性的标准实施规程
【标准号】:ASTMA833-2008a
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:A01.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Brinellhardness;comparativehardness;comparativehardnesstesters;metallic;Brinellhardness;Comparisontechniques;Hardness(indentation)--metallicmaterials;Metallichardness
【摘要】:Thecomparativehardnesstestisanempiricaldynamicindentationhardnesstest.Comparativehardnesstestsprovideusefulinformationaboutmetallicmaterials.Thisinformationmaycorrelatetotensilestrength,wearresistance,ductility,heattreatmentcondition,orotherphysicalcharacteristicsofmetallicmaterials,andmaybeusefulinqualitycontrolandselectionofmaterials.Comparativehardnesstestingataspecificlocationonapartmaynotrepresentthephysicalcharacteristicsofthewholepartorendproduct.1.1Thispracticecoversthedeterminationofindentationhardnessofmetallicmaterialsusingcomparisonhardnesstesters.1.2Thispracticeappliesonlytothosecomparisonhardnesstesters,normallyportable,thatusecomparativetestbarsthathavebeenstandardizedaccordingtoTestMethodE10asabasisforcomparison.1.3Calibrationofcomparativetestbars(rods),usedforcomparisontodeterminehardnessnumbers,isalsocoveredbythispractice.1.4Theimpressionforceusedduringcomparisonhardnesstestingisnormallyanimpactloadappliedbystrikingahammerontheappropriateareasasoutlinedinthemanufacturer''sinstructions.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:3P.;A4
【正文语种】:英语