【英文标准名称】:StandardSpecificationforAutomatedControlledShotPeeningofMetallicArticlesPriortoNickel,AutocatalyticNickel,orChromiumPlating,orasFinalFinish
【原文标准名称】:在镍,自动催化镍或铬镀覆或者最后镀层之前金属制品自动控制喷丸硬化的标准规范
【标准号】:ASTMB851-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:B08.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:peening;shot;shotpeening;Autocatalyticcoatings--specifications;Automatedcontrolledshotpeening;Caststeelshot;Chromiumelectroplating;ElectroplatedNicoatings--specifications;Metalliccoatings--specifications;Paintballsports;Peening;Sh
【摘要】:Shotpeeningisaprocessforcoldworkingsurfacesbybombardingtheproductwithshotofasolidandsphericalnaturepropelledatarelativelyhighvelocity.Ingeneral,shotpeeningwillincreasethefatiguelifeofaproductthatissubjecttobendingortorsionalstress.Itwillimproveresistancetostresscorrosioncracking.Itcanbeusedtoformpartsorcorrecttheirshapes.SeeAppendixX1foradditionalinformation.Itisessentialthattheshotpeeningprocessparametersbecontrolledrigidlytoensurerepeatabilityfromparttopartandlottolot.Thisspecificationcoverstechniquesandmethodsnecessaryforpropercontroloftheshotpeeningprocess.1.1Thisspecificationcoverstherequirementsforautomated,controlledshotpeeningofmetallicarticlespriortoelectrolyticorautocatalyticdepositionofnickelorchromium,orasafinalfinish,usingshotmadeofcaststeel,conditionedcutwire,orceramicmedia.Theprocessisapplicabletothosematerialsonwhichtestworkhasshownittobebeneficialwithingivenintensityranges.Itisnotsuitableforbrittlematerials.Handpeeningandrotaryflappeeningareexcludedspecifically.1.2Shotpeeninginducesresidualcompressivestressesinthesurfaceandnear-surfacelayersofmetallicarticles,controllingorlimitingthereductioninfatiguepropertiesthatoccursfromnickelorchromiumplatingofthearticle,orthefatiguepropertiesofunplatedarticles.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:8P.;A4
【正文语种】:英语
基本信息
标准名称: | N沟道结型场效应半导体管 CS14型低频低噪声场效应半导体管 |
英文名称: | Detail specification for low frequency low noise field-effect transistors,Type CS14 |
中标分类: |
能源、核技术 >>
能源、核技术综合 >>
技术管理 |
发布日期: | 1982-01-03 |
实施日期: | 1982-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-01-20 |
出版日期: | 1900-01-01 |
页数: | 2页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 能源 核技术 能源 核技术综合 技术管理