【英文标准名称】:StandardGuideforPost-CoatingTreatmentsofSteelforReducingtheRiskofHydrogenEmbrittlement
【原文标准名称】:对钢镀层后处理以减小氢脆变危险的标准指南
【标准号】:ASTMB850-1998(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:delayedbrittlefailure;heattreatment;hydrogenembrittlement;hydrogenembrittlementrelief;hydrogeninducedcracking;hydrogenstresscracking;post-treatmentsofsteel;Autocatalyticplating;Chemicalconversioncoatings;Conversioncoatings;
【摘要】:1.1Thisguidecoversproceduresforreducingthesusceptibilityinsomesteelstohydrogenembrittlementordegradationthatmayariseinthefinishingprocesses.1.2Theheattreatmentproceduresestablishedhereinmaybeeffectiveforreducingsusceptibilitytohydrogenembrittlement.Thisheat-treatmentprocedureshallbeusedafterplatingoperationsbutpriortoanysecondaryconversioncoatingoperation.1.3ThisguidehasbeencoordinatedwithISO/DIS9588andistechnicallyequivalent.Note18212;Theheattreatmentdoesnotguaranteecompletefreedomfromtheadverseeffectsofhydrogendegradation.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:A29
【国际标准分类号】:77_080_01
【页数】:3P.;A4
【正文语种】:英语


MIL-A-8806B, MILITARY SPECIFICATION: SOUND PRESSURE LEVELS IN AIRCRAFT, GENERAL SPECIFICATION FOR (21 SEP 1970) [MIL-S-008806B USED IN LIEU OF MIL-A-8806A] [S/S BY MIL-STD-1789]., This specification covers the general requirements for maximum allowable sound pressure levels in aircraft crew and passenger compartments and the testing requirements for determining conformance to these levels.