渗透检测规程-ptinstruction

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1、专业技术资料分享渗透检测工艺规程PenetrationTestInstructionWORD文档下载可编辑专业技术资料分享目录Contents1范围scope2引用标准、法规normativereferences3检测人员personnel4基本程序basicprocedures5渗透检测剂reagentforpenetrationtest6对比试块referenceblocks7表面准备surfacepreparation8渗透检测方法penetrationtestingmethods9渗透检测操作penetration

2、testingoperationWORD文档下载可编辑专业技术资料分享1范围scope本规程适用于金属材料制成的成品及其零部件表面开口缺陷的检测方法，主要包括着色渗透检测。Thedocumentisapplicabletosurfaceimperfectioninspectionformetallicfinishedproductsandcomponents,mainlyhingingupondyingandpenetrationtests.2.引用标准、法规NormativeReferencesISO3452-5《焊缝无

3、损检测-熔化焊接头渗透检测》ISO3452-5Non-DestructiveTestsForWelds-PenetrantTestForFusionWeldedJoints3检测人员Personnel检测人员按“根据ISO9712:2005无损检测人员资格鉴定和认证考核规则”或国家相应检测机构颁发的有效证件持证上岗，并严格执行审核制度。Personnelinvolvedintopenetrationtestshouldbethosewhoareinpossessionofcertificatesissuedbyreleva

4、ntexaminationbodyinaccordancewithISO9712:2005Non-DestructiveTest-Qualification&CertificationofPersonnel.4基本程序BasicProcedures渗透检测操作的基本步骤：basicstepsincludefollowinga预清洗pre-cleaning；b施加渗透液applyingpenetrationsolution；WORD文档下载可编辑专业技术资料分享c清洗多余的渗透液cleaningsuperabundantpe

5、netrationsolution；d施加显像剂applyingdeveloper；e观察及评定显示迹痕observingandinterpretingphotograph。5渗透检测剂ReagentForPenetrationTest渗透检测剂一般包括渗透剂、乳化剂、清洗剂和显像剂。渗透剂贮存温度为15～50℃，避免阳光直照，并放在低温暗处保存。如发现有明显的混浊或沉淀物，变色或难以清洗，予以报废。湿式显像剂应保持在适当的浓度范围内。检测剂对工件无腐蚀，对人体无毒害作用。对奥氏体钢材料，一定量检测剂蒸发后残渣中的氯、氟元

6、素含量的重量比不得超过1%。Generally,reagentsforpenetrationtestincludepenetrants,emulsifiers,detergentsanddevelopers.Penetrantsshouldbestoredindarkplacewithtemperaturerangingfrom15to50℃andnotdirectlyexposedtosunshines.Theyshallbediscardedincaseofanyobviousturbidityorprecipitat

7、e,colorchangesordifficultiesincleaning.Wetdevelopershouldbemaintainedwithinsuitableconcentrationrange.Inspectionreagentshallneithercausecorrosiontoworkpiecesnorcreatedangertopersonnel.Foraustenicsteel,percentageofchlorineandfluorine inresiduewhentestingreagentevap

8、oratesshouldnotexceed1%。6对比试块ReferenceBlocks对比试块主要用于检验检测剂性能及操作工艺。所用对比试块有：referenceblocksaremainlyusedforinspectingreagentpropertiesandWORD文档下载可编辑专业技术资料分