06283nam 2200697 a 450 991096172130332120251116222227.01-04-027944-91-04-028389-61-003-58032-71-61583-908-91-907975-11-X(CKB)2560000000052754(SSID)ssj0000471313(PQKBManifestationID)12185007(PQKBTitleCode)TC0000471313(PQKBWorkID)10428016(PQKB)10225488(Au-PeEL)EBL3016979(CaPaEBR)ebr10426633(OCoLC)923650749(MiAaPQ)EBC3016979(BIP)116526438(BIP)29471868(EXLCZ)99256000000005275420101203d2010 uy 0engurcn|||||||||txtccrMethodology of crevice corrosion testing for stainless steels in natural and treated seawaters /edited by U. Kivisäkk, B. Espelid & D. Féron1st ed.Leeds Maney Pub.2010xviii, 134 p. illEuropean Federation of Corrosion publications,1354-5116 ;no. 60"Published for the European Federation of Corrosion by Maney Publishing on behalf of The Institute of Materials, Minerals & Mining."1-906540-99-3 Includes bibliographical references.Title page -- Half title -- Contents -- European Federation of Corrosion (EFC) publications: Series introduction -- Volumes in the EFC series -- Preface -- 1 Crevice corrosion from a historical perspective -- 1.1 Introduction -- 1.2 The mechanism -- 1.3 The ferric chloride test -- 1.4 Field tests -- 1.5 Electrochemical tests -- 1.6 Conclusions -- 2 Objectives and background -- 2.1 Introduction -- 2.2 Establishment of the state-of-the-art -- 2.3 Formulation of a new synthetic seawater -- 2.4 Electrochemically controlled crevice corrosion test -- 2.5 Inter-comparison testing -- 3 Laboratory calibration -- 3.1 'Calibration' of participating laboratories in the project -- 3.2 Experimental procedure -- 3.3 Test results -- 3.3.1 Weight loss -- 3.3.2 Number of etchings/attacks -- 3.3.3 Maximum depth of attack -- 3.4 Conclusions from the 'calibration' test -- 4 Crevice formers for specimens of plate material -- 4.1 Optimisation of test parameters of importance for crevice corrosion testing -- 5 Crevice corrosion testing of tubes -- 5.1 Introduction -- 5.2 Experimental -- 5.2.1 Materials -- 5.2.2 Design of crevice former -- 5.2.3 Finite Element Method Modelling -- 5.2.4 Crevice corrosion testing -- 5.3 Results -- 5.3.1 Finite Element Method modelling -- 5.3.2 Crevice corrosion testing -- 5.4 Discussion -- 5.4.1 Specimen area -- 5.4.2 Crevice former -- 5.4.3 Clamping force -- 5.4.4 Proposed crevice former procedure for tube specimens -- 5.5 Crevice corrosion testing of stainless steel tubes applied as umbilicals -- 5.6 Conclusions from crevice corrosion testing of tubes -- 6 Formulation of new synthetic seawater for aerobic environment -- 6.1 Introduction -- 6.2 Experimental -- 6.3 Electrochemical tests -- 6.4 Crevice corrosion experiments -- 6.4.1 After test examination -- 6.4.2 Chemical method versus the biochemical method.6.4.3 Influence of the tank material -- 6.4.4 Influence of the cathodic area -- 6.4.5 Influence of stainless steel grades -- 6.4.6 Influence of chemicals and biochemicals -- 6.4.7 Influence of temperature -- 6.4.8 Influence of the crevice holder system -- 6.5 Conclusions -- 7 Simulation of anaerobic environments -- 7.1 Introduction -- 7.2 Experimental -- 7.3 Results and discussion -- 7.3.1 Influence of the polarisation scanning rate -- 7.3.2 Breakdown potentials in sterile aerated seawater -- 7.3.3 Breakdown potentials in anaerobic seawater with SRB -- 7.3.4 Breakdown potentials Na2S solution -- 7.4 Conclusion -- 8 Synergy of aerobic and anaerobic conditions -- 8.1 Introduction -- 8.2 Synergy of aerobic and anaerobic biofi lms on EN 1.4404 -- 8.3 Synergy of aerobic and anaerobic biofi lms on EN 1.4462 and EN 1.4547 -- 8.4 Laboratory simulation of the synergy -- 8.5 Conclusion -- 9 Electrochemical simulation of aerobic environments with or without chlorine -- 9.1 Electrochemical simulation of biofilm effects and treatment of seawaters -- 9.2 Conclusions from activities related to electrochemical simulation of natural and treated seawaters -- 10 Profi ciency of crevice corrosion methods: inter-comparison tests -- 10.1 Introduction -- 10.2 Experimental -- 10.2.1 Materials -- 10.2.2 Test procedure - general -- 10.2.3 Synthetic biochemical seawater tests -- 10.2.4 Natural seawater tests -- 10.3 Results -- 10.3.1 Natural seawater tests -- 10.3.2 Synthetic biochemical seawater tests -- 10.4 Discussion -- 10.4.1 Natural seawater -- 10.4.2 Spring loaded crevice formers -- 10.4.3 Corrosivity of the synthetic biochemical seawater versus natural seawater -- 10.4.4 Synthetic biochemical seawater and Critical Crevice Temperature -- 10.5 Conclusion -- Appendix A -- Appendix B -- Appendix C -- Appendix D -- Appendix E -- Appendix F -- Appendix G -- Appendix H.Appendix I.This book describes the work performed to develop a new test methodology to characterise the susceptibility of stainless steels to crevice corrosion in natural and treated seawaters. It also describes the experimental procedures to perform crevice corrosion testing.Publications (European Federation of Corrosion) ;no. 60.Stainless steelCorrosionCorrosion and anti-corrosivesStainless steelCorrosion.Corrosion and anti-corrosives.620.1/7Kivisäkk U1872242Espelid B1872243Féron D931118European Federation of Corrosion.Institute of Materials, Minerals, and Mining.MiAaPQMiAaPQMiAaPQBOOK9910961721303321Methodology of crevice corrosion testing for stainless steels in natural and treated seawaters4481338UNINA