SAE J461 Wrought and Cast Copper Alloys

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Product Code:SAE J461
Title:Wrought and Cast Copper Alloys
Issuing Committee:Metals Technical Executive Steering Committee
Scope:Factors influencing the uses of wrought copper and copper alloys concern electrical conductivity, thermal conductivity, machinability, formability, fatigue characteristics, strength, corrosion resistance, the ease with which alloys can be joined, and the fact that these materials are nonmagnetic. Copper and its alloy also have a wide range of rich, pleasing colors. The only other metal with such distinctive coloring is gold. These materials are all easily finished by buffing, scratch brushing, plating or chemically coloring, or clear protective coating systems. When it is desired to improve one or more of the important properties of copper, alloying often solves the problem. A wide range of alloys, therefore, has been developed and commercially employed, such as the high copper alloys, brasses, leaded brasses, tin bronzes, heat treatable alloys, copper-nickel alloys, nickel silvers, and special bronzes. nickel silvers, and special bronzes.
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【英文标准名称】:InformationSystems-356-mmOpticalDiskCartridge(Write-Once)-TestMethodsforMediaCharacteristics
【原文标准名称】:信息系统.356mm盒式光盘(只写一次的).媒体特性的测试方法
【标准号】:ANSIX3.199-1991
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:磁盘盒;情报系统;光盘
【英文主题词】:opticaldisks;informationsystems;diskcartridges
【摘要】:Specifiestestmethodsformediacharacteristicsof356-mmnominaldiameteropticaldiskcartridgesusedforinformationprocessingsystemsandforinformationstorage.
【中国标准分类号】:L64
【国际标准分类号】:35_220_30
【页数】:27P.;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Datainterchangeon12,7mmwide18-trackmagnetictapecartridges-Extendedformat
【原文标准名称】:信息技术.12.7mm18磁道宽磁带盒上的数据交换.扩展格式
【标准号】:BSISO/IEC11559-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-11-15
【实施或试行日期】:1993-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:盒式磁带(磁带);数据布置;数据介质;数据处理;数据记录;数据存储;尺寸规格;电子数据处理(EDP);信息交流;信息交换;信息技术;互换性;磁记录;磁带;规格
【英文主题词】:Cassettes(magnetictapes);Datalayout;Datamedia;Dataprocessing;Datarecording;Datastorage;Dimensions;EDP;Informationexchange;Informationinterchange;Informationtechnology;Interchangeability;Magneticrecording;Magnetictapes;Specifications
【摘要】:ThisInternationalStandardspecifiesthephysicalandmagneticcharacteristicsofa12,7mmwide,18-trackmagnetictapecartridge,toenableinterchangeabilityofsuchcartridges.Italsospecifiesthequalityoftherecordedsignals,theformatandtherecordingmethod,thusallowing,togetherwithISO1001,fulldatainterchangebymeansofsuchmagnetictapecartridges.ThecartridgeandrecordingmethodareidenticalwiththosedescribedinISO9661.ThisInternationalStandardspecifiesextensionstothetransformationofdatabeforeitisformattedasinISO9661.Theseextensions-specifyamethodforincreasingtheutilizationofthetapebycombiningsmallerblocksofdataintoextendedblocks;-specifyamethodforidentifyingwhethertherecordeddatahasbeenprocessedand,ifithasbeenprocessed,thealgorithmusedforprocessing;-specifyamethodforincludingrecordeddatablocksconformingtothisInternationalStandardandrecordeddatablocksconformingtoISO9661onthesametape.ThepemissibleroutesfortheflowofdataareshowninannexH.
【中国标准分类号】:L70
【国际标准分类号】:35_220_23
【页数】:76P;A4
【正文语种】:英语