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electrochemical parameters

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Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004209
EISBN: 978-1-62708-184-9
... and evaluation of dental materials are summarized. The article examines the effects of restoration contact on electrochemical parameters and reviews the concentration cells developed by dental alloy-environment electrochemical reactions. The composition and characterization of biofilms, corrosion products...
Book Chapter

By Jude Mary Runge
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006523
EISBN: 978-1-62708-207-5
... Abstract Anodizing produces a uniform, continuous, highly ordered network of individual cells comprising a layer whose thickness and cell dimensions, and ultimately engineering properties, depend on the electrochemical parameters of the anodizing process. This article discusses the nucleation...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004214
EISBN: 978-1-62708-184-9
... , 15 ) have evaluated the effects of critical parameters such as pH and velocity on CO 2 corrosion. Predictive models, including a combination of the parameters discussed in this article along with electrochemical considerations, have also been used to arrive at the corrosion rate ( Ref 16 , 17...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003633
EISBN: 978-1-62708-182-5
... Abstract Stress-corrosion cracking (SCC) is a phenomenon in which time-dependent crack growth occurs when the necessary electrochemical, mechanical, and metallurgical conditions exist. This article provides an overview of the environmental phenomenon, mechanisms, and controlling parameters...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003696
EISBN: 978-1-62708-182-5
... of the electrochemical parameters of the metal-solution system, the geometry of the equipment, any special operational conditions, and the special requirements of the environment around the system. The electrochemical parameters of concern are the potential at which the vessel must be maintained for corrosion protection...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003598
EISBN: 978-1-62708-182-5
... Abstract This article provides a discussion on a working principle, the operations, characteristics, capabilities, and applications of electrochemical grinding (ECG). The basic elements of the ECG machine tool are also presented. electrochemical grinding machine tools HYBRID...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002153
EISBN: 978-1-62708-188-7
..., electrochemical honing, and hone forming. It also examines various process parameters in microhoning and concludes with information on the applications of microhoning. electrochemical honing external honing flat honing gear tooth honing hone forming honing microhoning plateau honing HONING...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002164
EISBN: 978-1-62708-188-7
... for cathodes, cathodes, and cathode holder/manifold. The article concludes with information on the process parameters of the STEM system. electrochemical machining fuel nozzles oil passages shaped tube electrolytic machining turbine blades turbine disk cooling passages SHAPED TUBE ELECTROLYTIC...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003579
EISBN: 978-1-62708-182-5
... Abstract The electrode potential is one of the most important parameters in the thermodynamics and kinetics of corrosion. This article discusses the fundamentals of electrode potentials and illustrates the thermodynamics of chemical equilibria by using the hydrogen potential scale...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006494
EISBN: 978-1-62708-207-5
.... This article reviews these general machining factors as well as specific cutting tool and cutting parameters for the six basic chip-forming processes of turning, shaping, milling, drilling, sawing, and broaching. Best practices for each of the six chip-forming processes are suggested for optimized machining...
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
... can be used to extract information on the corrosion rate of the electrochemical interface or conversely the reduction-oxidation rate of an interface dominated by redox reactions as well as the Tafel parameters. This is an advantage over linear polarization resistance and EIS methods, which can provide...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003599
EISBN: 978-1-62708-182-5
... the electrolyte resistance. Raising the temperature and increasing the concentration of dissolved metal salt can decrease the absolute values of the overpotentials. Typical refining conditions are summarized in Table 3 . Operating parameters in metal electrochemical refining Table 3 Operating parameters...
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
... Polarization resistance measurements Impedance measurements In the first type, different electrical parameters can be present. In the latter type, only system-adjusted values are measured ( Ref 1 , 2 , 7 , 8 , 9 ). All measurements are performed in different electrochemical cells ( Fig. 3...
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
... reactions. For every electrochemical reaction, an equilibrium potential, E o (also called the single electrode potential, half-cell potential, reduction potential, or redox potential), can be defined on the basis of the thermodynamic parameters. At this potential, the electrical current densities...
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: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001233
EISBN: 978-1-62708-170-2
.... Machining parameters: U (in Fig. 2 ) = 17 V; electrolyte pressure, 0.3 MPa; electrolyte, 15% NaCl; time of machining, 75 s; maximum current per piece, 180 A Fig. 7 Tooling for electrochemical machining deburring. (a) Valve casing. (b) A fragmentary schematic of the production jig. Machining...
Image
Published: 01 January 1994
Fig. 6 Schematic of electrochemical machining: smoothing, deburring, and radiusing of piston pin. Machining parameters: U (in Fig. 2 ) = 17 V; electrolyte pressure, 0.3 MPa; electrolyte, 15% NaCl; time of machining, 75 s; maximum current per piece, 180 A More
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002160
EISBN: 978-1-62708-188-7
... be tolerated in parts subjected to alternating high stress. Intergranular attack can usually be avoided with proper selection of electrolyte and ECM parameters. Surfaces that have been electrochemically machined have little or no residual stress. When electrochemical machining replaces mechanical machining...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003656
EISBN: 978-1-62708-182-5
... of the current signals measured from the different electrodes is an indication of the degree of variations in the electrochemical properties among the electrodes, it may be used as an effective single-parameter indicator for localized corrosion. Figure 6 shows typical responses of the dispersion of the current...
Image
Published: 01 January 1994
Fig. 7 Tooling for electrochemical machining deburring. (a) Valve casing. (b) A fragmentary schematic of the production jig. Machining parameters: 15% water solution of NaNO 3 ; U (in Fig. 2 ) = 15 V; machining time, 8 s; electrolyte pressure, 1 MPa; maximum current per piece, 20 A More