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In: Mechanical Engineering

UNIT EIGHT       Coating and Deposition Processes                              &

UNIT EIGHT

      Coating and Deposition Processes                                                              

  • Explain the difference between coating and cladding
  • Describe the two main methods of painting: dipping and spraying (manual, automatic or electrostatic).
  • State the characteristic of each method.
  • Identify materials suitable for each method.
  • Describe the electroplating process.
  • List typical plating materials and give reasons for their use.
  • Explain the process of anodizing and state typical applications.
  • Classify vapour deposition processes into physical vapour deposition (PVD) and chemical vapour deposition (CVD).
  • Describe the principle of each process.
  • Identify applications of each process.
  • Recognize the importance of thermal spraying.
  • Explain the principle of thermal spraying.
  • Identify typical thermal spraying processes according to the technology used to melt the coating material.:- oxyfuel flame, electric arc and plasma arc.

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