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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.a0003600
EISBN: 978-1-62708-182-5
... current potentiodynamic polarization and alternating current impedance measurements. It concludes with information on chemically induced defects such as pitting corrosion, galvanic corrosion, and chemical etching. chemical-mechanical planarization mechanically accelerated corrosion erosion...
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
... commercial software programs contain a number of typical electrochemical tests, such as potentiostatic, potentiodynamic, galvanostatic polarization, and other tests, such as the measurement of the galvanic current, the electrochemical impedance, or ECN. The user can input the particular parameters...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003586
EISBN: 978-1-62708-182-5
... rate (potentiodynamic), instantaneously increased a fixed amount, or stepped at various times (potentiostaircase) ( Ref 18 ). The applied current, I app , is measured and normalized with respect to the surface area (i.e., i app = I app / A ). Conversely, i app can be supplied between...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003663
EISBN: 978-1-62708-182-5
... of the anodic materials is well away from their corrosion potential, or the corrosion rate can be found as a function of potential by independent measurement. Potentiodynamic polarization curves are generated by connecting the specimen of interest to a scanning potentiostat. This device applies whatever...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003661
EISBN: 978-1-62708-182-5
... Book of ASTM Standards , American Society for Testing and Materials , 2002 3. “Standard Practice for Conducting Cyclic Potentiodynamic Polarization Measurements for Localized Corrosion,” G 61, Wear and Erosion; Metal Corrosion , Vol 03.02 , Annual Book of ASTM Standards , American Society...
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
...), and a potentiostat is used, along with an auxiliary or counter electrode, to make such measurements. As mentioned previously, current density is a measure of the rate of reaction. Common practice for measuring such curves involves potentiodynamic polarization or automatic scanning of the potential from a low value...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001296
EISBN: 978-1-62708-170-2
... Kinetik , Springer Verlag , 1961 10.1007/978-3-642-86547-3 10. Standard Reference Test Method for Making Potentiostatic and Potentiodynamic Anodic Polarisation Measurements , ASTM G 59–91, Annual Book of ASTM Standards , Vol 03.02 , ASTM , 1993 11. Stern M. and Geary A.L...
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
... XPS results (see subsequent information), it has been shown that the surface chemistry of oxides on Co-Cr and stainless steel alloys is chromium rich, while the titanium and NiTi alloys are predominantly titanium oxide surfaces. Another aspect of these oxide films is that the measured height of oxide...
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
... formations supports the need for careful site characterization studies ( Ref 15 ). Carbon Steel and Low-Alloy Steel Carbon and low-alloy steel have been extensively been tested in groundwater environments for the last 30 years. Corrosion rates measured for carbon steels in granite waters ranged from 3...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003700
EISBN: 978-1-62708-182-5
... the following: Nondestructive inspection Use of coupons Cyclic potentiodynamic polarization Use of electrical resistance probes Use of linear polarization resistance Use of galvanic currents Electrochemical impedance spectroscopy Use of electrochemical noise measurement Indirect...
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
... is found after the initial tests, the temperature is raised by 10 °C (18 °F) and a new specimen exposed. The process is repeated, as needed, until the CCT is identified. The criterion for crevice corrosion in these methods is a measured attack depth of ≥0.025 mm (0.001 in.). Precision and bias...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006889
EISBN: 978-1-62708-392-8
... to analyze corrosion resistance of a material in the form of a potentiodynamic polarization and electrochemical impedance spectroscopy. Least-squares means with standard errors for electrochemical measurements Table 4 Least-squares means with standard errors for electrochemical measurements Group...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003660
EISBN: 978-1-62708-182-5
... R.L. and French E.C. , Corrosion Monitoring in Sour Systems Using Electrochemical Hydrogen Patch Probes , J. Pet. Technol. , Nov 1978 , p 1566 – 1570 10.2118/6657-PA 11. “Standard Test Method for Conducting Potentiodynamic Polarization Resistance Measurements,” G 59, Wear...
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
... Abstract This article provides an overview of the fundamentals of tribology. It describes the advantages, disadvantages, and applications of the pin-on-disk method, which is the most commonly used configuration for testing biomaterials and for the reproducible measurement of friction and wear...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003835
EISBN: 978-1-62708-183-2
... density—the potential where this increase occurs is called the pitting potential, E pit , or the breakdown potential, E bd . The higher the pitting potential, the less susceptible the material is to pitting. It should be noted that the pitting potential as measured in a potentiodynamic polarization...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003698
EISBN: 978-1-62708-182-5
... electrolyte and the kinetics of VCI adsorption and desorption has been determined by electrochemical and ellipsometric measurements. Subramanian et al. ( Ref 22 ) synthesized morpholine and its derivatives, such as carbonate, borate, and phosphate, and evaluated their performance on protecting mild steel...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003606
EISBN: 978-1-62708-182-5
... Measurements” ASTM G 100 “Standard Test for Conducting Cyclic Galvanostaircase Polarization” ASTM G 59 “Standard Test Method for Conducting Potentiodynamic Polarization Resistance Measurements” ASTM G 5 “Standard Reference Test Method for Making Potentiostatic and Potentiodynamic Anodic...
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
... to generalized uniform chemical attack—described in the section “Uniform Corrosion” —in which the anodes and cathodes of the cells are numerous, small, and close together. The analysis of corrosion failures and the development of suitable corrective measures require not only a basic understanding...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005730
EISBN: 978-1-62708-171-9
... Abstract This article describes the two commonly used standardized tests for determining the mechanical properties of thermal spray coatings: hardness testing and tensile adhesion testing. It discusses the destructive and non-destructive methods of residual-stress measurement. Electrochemical...