1-20 of 25 Search Results for

potentiostatic deaeration

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005683
EISBN: 978-1-62708-198-6
... current density determination by Tafel extrapolation, potentiodynamic measurement of the polarization resistance, electrochemical impedance measurement, and potentiostatic deaeration. Tests combining corrosion and mechanical forces, such as fretting corrosion tests, environment-assisted cracking tests...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003644
EISBN: 978-1-62708-182-5
.... Deaeration of the test solution is carried out by bubbling nitrogen gas or argon through the test cell for a sufficient time. Fig. 3 Test cell for flat sheet electrodes. CE, counter electrode; RE, reference electrode; WE, working electrode Potentiostat A number of different potentiostats...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003677
EISBN: 978-1-62708-182-5
... field-assisted movement through this barrier ( Ref 15 , 16 , 17 , 18 ). Coherent titanium oxide films resist uniform corrosion in many environments, such as all natural waters, including distilled, fresh, and seawater (aerated and deaerated), as well as brine solutions, to temperatures in excess...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003749
EISBN: 978-1-62708-177-1
... and describes several methods for film formation, namely, heat tinting, color etching, anodizing, potentiostatic etching, vapor deposition, and film deposition by sputtering. It provides information on the general procedures and precautions for etchants and reagents used in metallographic microetching...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002362
EISBN: 978-1-62708-193-1
.... (a) Fatigue crack growth of A533B and A508 low-alloy steels with 0.01–0.25% S tested in deaerated high-temperature water at 0.0167 Hz and R = 0.7. The nominal Δ K 4 dependency of crack growth rate in inert environments can vary substantially in the environment. Source: Ref 8 , 9 . (b) Effect of stress...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003612
EISBN: 978-1-62708-182-5
... is reversible potential, and SHE is standard hydrogen electrode. Removal of oxidizing agents, such as removal of dissolved oxygen by deaeration, is one powerful approach for reducing susceptibility to localized corrosion. The influence of potential on pitting corrosion is described subsequently. Pitting...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... Modification of the materials-handling environment can be effective in controlling the corrosive wear of component parts. Solution conditioning, such as adjusting the pH and deaeration, can reduce the amount of material losses in a corrosive-wear environment. Slurry conditioning is not economical for the short...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004149
EISBN: 978-1-62708-184-9
... alloys were also investigated for their resistance to EAC. One way by which titanium alloys may suffer EAC under reducing conditions is by the formation of hydrides ( Ref 41 ). Slow strain rate testing was conducted using Ti Gr 1 in deaerated 20% sodium chloride (NaCl) at 90 °C (195 °F) at an applied...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002471
EISBN: 978-1-62708-194-8
..., the corrosion of, say, zinc in a deaerated acid solution would be described by Eq 1 and 3 to give: (Eq 8) Zn + 2 H + → Zn 2 + + H 2 that is, zinc dissolution with hydrogen evolution. Because these oxidation and reduction reactions involve a transfer of charged species...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003662
EISBN: 978-1-62708-182-5
... in the domain associated with Fe 3+ reduction at ambient temperature. In some cases, the Fe 3+ serves as a chemical potentiostat and holds the corrosion potential well within the passive region in the absence of oxygen. Increasing the FeCl 3 solution temperature to 50 °C (120 °F), for example, promotes...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004206
EISBN: 978-1-62708-184-9
... buffered saline (PBS), Ringer's solution, Hanks' balanced salt solution, and a variety of other solutions that vary in complexity (e.g., protein additions, aerated/deaerated, etc., as discussed in the aforementioned companion article in this Volume). All of these alloys show fairly high corrosion...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005653
EISBN: 978-1-62708-198-6
... in physiologically representative solutions. Corrosion testing has been performed in 0.9% sodium chloride (NaCl), phosphate buffered saline (PBS), Ringer's solution, Hanks' balanced salt solution, and a variety of other solutions that vary in complexity (e.g., protein additions, aerated/deaerated, etc.,). All...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004207
EISBN: 978-1-62708-184-9
... is used in electrochemical corrosion testing, that is, working electrode (biomaterial specimen), counterelectrode (inert electrode, usually platinum or carbon), and reference electrode (SCE and Ag/AgCl are the typically used reference electrodes). A potentiostat or galvanostat is used to control voltage...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... can be made by generating stepped potential or potentiodynamic polarization curves or by obtaining potentiostatic information on polarization behavior. The objective is to obtain a good indication of the amount of current required to hold each material at a given potential. Because all materials...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005668
EISBN: 978-1-62708-198-6
..., for exmple, corrosion/passivation of a metal or deterioration of a surface coating characterized by a decrease in the measured OCP. Fixed potential: Also known as potentiostatic wear mode, this involves monitoring the evolution of the corrosion current at different phases in the test, while maintaining...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003309
EISBN: 978-1-62708-176-4
... and stress intensity to produce crack growth. The specimen is enclosed in an environmental chamber with a potentiostat to produce hydrogen while under stress. Fig. 12 Loading frame used for rising step-load test The rising step-load test was used to evaluate high-strength HY ship steels...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... or by obtaining potentiostatic information on polarization behavior. The objective is to obtain a good indication of the amount of current required to hold each material at a given potential. Because all materials in the galvanic system must be at the same potential in systems with low solution resistivity...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003822
EISBN: 978-1-62708-183-2
... the anodic breakdown potential. The repassivation potentials of titanium alloys are also very high relative to the alloy corrosion potentials, and this explains why titanium alloys are generally resistant to pitting attack. Pitting Potential Testing The potentiostatic (constant potential...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004210
EISBN: 978-1-62708-184-9
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006415
EISBN: 978-1-62708-192-4