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eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7134-3
.... Although prediction of localized penetration rate remains a goal of electrochemical testing, applications of statistics to the process appear promising. pitting electrochemical testing coupon testing repassivation potential 1 Chapter 1 | Pitting Robert G. Kelly,1 Ryan M. Katona,1,2 and Eric J...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7134-3
... of knowledge and standards that have been developed to combat the problem over every step of equipment and piping lifecycles, from design and specification of materials, to tests and methods of inspection. corrosion under insulation external chloride stress corrosion cracking pitting general corrosion...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7134-3
... how these factors may interact and affect experimental results can help the design of seawater corrosion testing to best simulate service conditions. corrosion testing electrochemical dissolved oxygen salinity pitting stress corrosion atmospheric crevice seawater marine corrosion 187...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2019
ISBN: 978-0-8031-7663-8
... Pitting of stainless steels and nickel-base alloys in solutions containing reduced sulfur species has features that are distinct from ordinary chloride-induced pitting. In particular, very severe pitting of molybdenum-free alloys occurs in neutral sodium sulfate solution containing thiosulfate...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2016
ISBN: 978-0-8031-7070-4
.... Inspections that meet IWE and maintenance rule requirements are possible. Following inspection, coating defects can be identified and repaired using a 100 % solids underwater cured epoxy. underwater coatings corrosion pitting inspection repair epoxy ...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2009
ISBN: 978-0-8031-5522-0
... development and provides ideas for improvements to existing standards. crevice corrosion electrochemical impedance EPR test galvanostaircase polarization intergranular corrosion pitting polarization resistance polarization solution resistance Tafel slope Sheldon W. Dean1 Reprinted from JAI...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2867-3
ISBN: 978-0-8031-2867-5
... Base oil type, viscosity, and additive packages of gear lubricants influence gear failures as wear, scuffing, micropitting and pitting as well as power loss and efficiency. Numerous test methods have been developed to quantify these influences. Different test equipment like a gear test rig...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2878-9
ISBN: 978-0-8031-2878-1
... of the irradiation or the cooling water chemistry. General corrosion was evident along the entire length of the aluminum piping and pitting corrosion was present along the aluminum piping and is attributed to the conductivity of and the copper deposits in the cooling water. The reduction or elimination of impurities...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2874-6
ISBN: 978-0-8031-2874-3
... in prediction are highlighted with recommendations for future development. Risk based inspection environment assisted cracking modelling pitting hydrogen embrittlement Alan Tumbull1 Issues in Modelling of Environment Assisted Cracking Reference: Tumbull, A., "Issues in Modelling of Environment...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2874-6
ISBN: 978-0-8031-2874-3
... The accumulation of damage due to localized corrosion [pitting, stress corrosion cracking (SCC), corrosion fatigue (CF), crevice corrosion (CC), and erosion-corrosion (EC)] in complex industrial systems, such as power plants, refineries, desalination systems, etc., poses a threat to continued...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2874-6
ISBN: 978-0-8031-2874-3
... commercial service. The need and directions for further research are discussed. material aging life prediction life-cycle management mechanisms probability modeling mechanistically based probability model corrosion pitting fracture mechanics fatigue crack growth Robert P. Wei ~ Material...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2610-7
ISBN: 978-0-8031-2610-7
... approaches to providing protection is discussed. engine coolant corrosion pitting galvanic corrosion-fatigue accelerated testing long-life coolant recycled coolant Roy E. Beal I Corrosion and Testing of Engine Coolants REFERENCE: Beal, R. E., "Corrosion and Testing of Engine Coolants," Engine...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1997
ISBN-10: 0-8031-2408-2
ISBN: 978-0-8031-2408-0
... and environment this lifetime is impaired and reductions in fatigue strength are often observed resulting from a reduction in defect development time, often termed ‘initiation’, and enhancement in defect growth rate. A number of factors exist which influence the rate at which defects, such as pits/cracks...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1997
ISBN-10: 0-8031-2408-2
ISBN: 978-0-8031-2408-0
.... The crack initiation and growth data are correlated with the water chemistry of the test. Low Alloy Steel fatigue high temperature water pitting crack initiation crack growth stress intensity ASME section III code ASME section XI code Harvey D. Solomont, gon E. DeLairt and Andy D. Unruh2...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2032-X
ISBN: 978-0-8031-2032-7
... observed in redox systems. EN associated with corrosion is the result of stochastic pulses of current generated by, for example, sudden film rupture, crack propagation, discrete events involving metal dissolution at etch pits, grain boundaries and kink sites, and hydrogen discharge with gas bubble...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2032-X
ISBN: 978-0-8031-2032-7
.... In solutions in which pitting occurred, the open circuit potential of the electrode versus a true reference electrode was more sensitive to the transition to stable pitting than was the pitting index. stainless steel pitting uniform corrosion polarization resistance electrochemical noise Robert G...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2032-X
ISBN: 978-0-8031-2032-7
... of the waste was the nitrate anion, which induces pitting. The simulated waste was initially inhibited with sodium nitrite and sodium hydroxide. The nitrate concentration was increased over the test period to increase the corrosivity of the solution. The temperature was held constant at 40°C. The current...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2032-X
ISBN: 978-0-8031-2032-7
... the pitting potential. We focus on the evolution of the shape of the current transients, going from a titanium (Ti) free and 41-ppm sulfur-containing alloy to different Ti-bearing alloys with comparable amount of sulfur (∼40 ppm). The results are compared to the case of a Ti-free and low sulfur (8-ppm...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1853-8
ISBN: 978-0-8031-1853-9
... repassivation potential as a bounding parameter for performance prediction is also examined. The limitations of the current models and future directions are identified. Crevice pitting corrosion model repassivation depassivation pH chloride stainless steel alloy 825 Narasi Sridhar,' Gustavo...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1861-9
ISBN: 978-0-8031-1861-4
... pitting anodized aluminum software simulation analysis Florian Mansfeld, 1Hong Shih, l Harold Greene, l and C. H. (Raymond) Tsai t Analysis of EIS Data for Common Corrosion Processes REFERENCE: Mansfeld, F., Shih, H., Greene, H., and Tsai, C. H., "Analysis of EIS Data for Common Corrosion Processes...