Thermal spray and weld overlay processesLaajuus (3 ECTS)

Objective

After completing the course students will comprehend the principles of thermal spray and weld hardfacing and they will know the main features of common thermal spray and weld overlay processes. They will recognize the application potentiality and restrictions of these coatings.
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Students will be able to evaluate the potentiality of thermal spray and weld hardfacing processes for different coating needs and to select a coating process that meets the requirements of substrate, coating material, coating properties and productivity.

Content

Principles and applications of thermal spraying. The common properties of thermal spray coatings and factors affecting them. The main properties, advantages and restrictions of thermal spray processes. Coating types. The operations in thermal spray process and safety at thermal spraying.

The principles of weld hardfacing processes and their advantages and restrictions.
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History of thermal spraying, spray welding.

Qualifications

Introduction to Surface Treatment
Materials