Electrochemical Machining (ECM)
Fe → Fe2+ + 2e−
Visão geral
Electrochemical machining dissolves metal from a workpiece (anode) in a controlled pattern using a shaped cathode tool and flowing electrolyte (typically NaCl or NaNO₃ solution). Material removal rates of 0.5–15 mm³/s are achieved without tool wear, heat-affected zones, or mechanical stress. The process mirrors the shape of the tool electrode.
Participantes
| Papel | Substância | Coeficiente | Estado |
|---|---|---|---|
| Reagente | Iron Fe | 1 | (s) |
Exemplo do cotidiano
Turbine blades for jet engines are precision-shaped by ECM to achieve complex airfoil profiles impossible to machine conventionally.
Importância industrial
A maquinagem eletroquímica é utilizada na aeroespacial, implantes médicos e fabrico de matrizes e moldes para maquinar materiais de alta dureza sem desgaste das ferramentas. Permite geometrias complexas impossíveis com maquinagem convencional.
Propriedades
- Tipo
- Electrochemical
- Reversível
- Não
- Energia
- Endotérmico
- ΔH
- 89,0 kJ/mol
Reações relacionadas
Electrorefining of Copper
Alkaline Battery Discharge
Anodizing of Aluminum
Chlor-Alkali Electrolysis
Nickel-Metal Hydride Battery
Daniell Cell (Zinc-Copper Galvanic Cell)
Electrolysis of Molten NaCl (Downs Process)
Lead-Acid Battery Discharge
Hall-Héroult Process (Aluminum Smelting)
Electrolysis of Water
Frequently Asked Questions
What is the equation for Electrochemical Machining (ECM)?
The balanced equation is: Fe → Fe²⁺ + 2e⁻.
What type of reaction is Electrochemical Machining (ECM)?
Electrochemical Machining (ECM) is a electrochemical reaction.
Is Electrochemical Machining (ECM) exothermic or endothermic?
Electrochemical Machining (ECM) is endothermic (absorbs energy). The enthalpy change (ΔH) is 89.0 kJ/mol.