ASTM C703-1972(2006) 铝制搪瓷涂层的抗脱落试验方法

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【英文标准名称】:StandardTestMethodsforSpallingResistanceofPorcelainEnameledAluminum
【原文标准名称】:铝制搪瓷涂层的抗脱落试验方法
【标准号】:ASTMC703-1972(2006)
【标准状态】:现行
【国别】:
【发布日期】:1972
【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】:B08.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:瓷漆的;剥离;耐力;金属;瓷器制品;覆层;试验;铝
【英文主题词】:
【摘要】:Itisdifficulttooveremphasizetheimportanceofthespalltest.Porcelainenameledaluminumthatfailsthistestwillprobablyspallinserviceifsubjectedtomoistureorweathering.1.1Thesetestmethodscoveraccelerateddeterminationoftheresistanceofporcelainenamelcoatingsonaluminumalloystospallingfromexposuretomoistureorweathering.TestMethodA,usinga5%solutionofammoniumchloride,requires96-himmersionwhileTestMethodB,usinga1%solutionofantimonytrichloride,iscompletedafter20hofimmersion.Thespallingtendencyisevaluatedbythesamecriteriainbothmethods.Whileeithermethodissuitableformagnesiumsiliconalloys,suchas6061,TestMethodBispreferredforsimplealloysorcommerciallypurealuminum,suchas1100.1.2Thetestmethodsappearinthefollowingorder:SectionsTestMethodA-AmmoniumChlorideTestMethodB-AntimonyTrichloride