Question
Download Solution PDFTechnically the thickness of stable metal coating on another metal should be of the order of
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:-
When applying a stable metal coating on another metal, the thickness is typically measured in micrometers. This is because:
- Micrometer Scale: A micrometer (µm) is 1 millionth of a meter, or 1 thousandth of a millimeter, providing a practical and economical thickness for protection and functionality.
- Nanometer Scale: While nanometer coatings are used in specialized applications, they might be too thin for general use.
- Millimeter/Centimeter Scales: These scales are too thick for coatings and would typically be considered layers or claddings.
Typical Thickness Ranges:
- Electroplating: 1-30 micrometers
- Galvanization: 5-25 micrometers
- Anodizing: 5-25 micrometers
- PVD and CVD Coatings: several nanometers to several micrometers, with typical industrial coatings in the micrometer range
Given these factors, the optimal thickness for a stable metal coating on another metal is micrometer
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