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ID:47620650
大小:49.50 KB
页数:9页
时间:2020-01-15
《渗透检测规程_PTinstruction》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、......渗透检测工艺规程PenetrationTestInstruction学习参考......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penetrationtestingoperation学习参考......1范围scope本规程适用于金属材料制成
2、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《焊缝无损检测-熔化焊接头渗透检测》ISO3452-5Non-DestructiveTestsForWelds-PenetrantTestForFusionWeldedJoints3检测人
3、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。PersonnelinvolvedintopenetrationtestshouldbethosewhoareinpossessionofcertificatesissuedbyrelevantexaminationbodyinaccordancewithISO9712:2005Non-DestructiveTest-Qualification&CertificationofPersonnel.4基本程序BasicProcedures渗
4、透检测操作的基本步骤:basicstepsincludefollowinga预清洗pre-cleaning;学习参考......b施加渗透液applyingpenetrationsolution;c清洗多余的渗透液cleaningsuperabundantpenetrationsolution;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
5、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、氟元素含量的重量比不得超过1%。Generally,reagentsforpenetrationtestincludepenetrants,emulsifiers,detergentsanddevelopers.Penetrantsshouldbestoredindarkplacewithtemperaturerangingfrom15to50℃andnotdirectlyexposedtosunshines
6、.Theyshallbediscardedincaseofanyobviousturbidityorprecipitate,colorchangesordifficultiesincleaning.Wetdevelopershouldbemaintainedwithinsuitableconcentrationrange.Inspectionreagentshallneithercausecorrosiontoworkpiecesnorcreatedangertopersonnel.Foraustenicsteel,percentageofchlorineandfluorine inresi
7、duewhentestingreagentevaporates学习参考......shouldnotexceed1%。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:referenceblocksaremainlyusedforinspectingreagentpropertiesandtestingprocedureseffectiveness.Allref
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