MIL-R-5757G, MILITARY SPECIFICATION: RELAYS, ELECTROMAGNETIC, GENERAL SPECIFICATION FOR (22 MAR 1982)., This specification covers the general performance requirements for electrical relays withcontact ratings up to and including 10 amperes for use in electronic, communications, and otherapplications (see 6.1).【英文标准名称】:Fineceramics(advancedceramics,advancedtechnicalceramics)-Testmethodsforfracturetoughnessofmonolithicceramics-Single-edgeV-notchbeam(SEVNB)method
【原文标准名称】:精细陶瓷(高级陶瓷、高级工业陶瓷).单片陶瓷断裂韧度的试验方法.单边V形切口束(SEVNB)法
【标准号】:ISO23146-2008
【标准状态】:作废
【国别】:国际
【发布日期】:2008-06-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC206
【标准类型】:()
【标准水平】:()
【中文主题词】:高级工业陶瓷;断裂试验;陶瓷;断裂韧性;机械试验;方法;单片材料;切口强度;试验方法;韧性
【英文主题词】:Advancedtechnicalceramics;Breakingtests;Ceramics;Fracturetoughness;Mechanicaltesting;Methods;Monolithicmaterials;Notchstrength;Testmethod;Toughness
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthefracturetoughnessofadvancedtechnicalceramics.Theproceduremakesuseofsingle-edgeV-notchedbars,whichareloadedin4-pointbendinguntilfailure.Itisapplicabletomonolithicceramicswithagrainsizeormajormicrostructuralfeaturesizelargerthanabout1lJ.m.TheuseofthisInternationalStandardforyttriatetragonalzirconiapolycrystalmaterial(Y-TZP)isnotrecommended.ThemethodmightalsobeunsuitableforsomeotherverytoughorsoftceramicsinwhichasharpcrackdoesnotformattherootoftheV-notch.
【中国标准分类号】:Q30
【国际标准分类号】:81_060_30
【页数】:21P.;A4
【正文语种】:英语