作者:标准资料网 时间:2024-05-15 16:30:51   浏览:9270   来源:标准资料网

【英文标准名称】:Copperandcopperalloys-Estimationofaveragegrainsize
【原文标准名称】:铜及铜合金.平均粒度估计
【标准号】:BSENISO2624-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-09-15
【实施或试行日期】:1995-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:粒度测量;估计;晶体微观结构;图表;报告;铜;粒度;铜合金
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesthreeproceduresforestimating,andrulesforexpressing,theaveragegrainsizeofcopperandcopperalloysconsistingprincipallyofasinglephase.Therespectiveproceduresaretermedthecomparisonprocedure,theinterceptprocedureandtheplanimetricpro-cedure.Thecomparisonprocedure(comparingthespecimenwithastandardchart)ismostconvenientandissufficientlyaccurateformostcommercialpurposes.Higherdegreeesofaccuracyinestimatinggrainsizeareob-tainablebyusingtheintercept(Heyn)orplanimetric(Jeffries)procedures.Incasesofdispute,itisrecommendedthattheuseofoneoftheseproceduresbeagreedbetweentheparties.Formaterialwithnon-equiaxialstructuresitisrecommendedthattheinterceptprocedurebeused.
【中国标准分类号】:H62
【国际标准分类号】:77_120_30
【页数】:16P;A4
【正文语种】:英语