Opinto-opas

Objective

The student can define the microstructures of metals and describe how they affect the mechanical properties of metal alloys.
The student can customize the properties of metal alloys by various treatments and can choose a proper alloy for each treatment.
The student can define the bases for material selection. He or she can name the significant material properties for various requirements.
The student can describe the methods of product painting. He or she knows the quality requirements and quality control of product painting. The student can also describe the principles of thermal spray coating and weld overlay processes and outline common thermal spray and weld overlay methods. He or she can define the applications and limitations of these methods.
The student can describe the most common material failure mechanisms, recognize the characteristics of common failure modes and can present how the failures can be avoided.

Content

1. Microstructure of metals
2. Thermal treatments of metal alloys
3. Basics of materials selection
4. Product painting
5. Thermal spraying and weld overlaying
6. Failure mechanisms of materials

Evaluation scale

0-5

Assessment criteria, satisfactory (1)

1. The student can describe the properties of phases in ferroalloys.
2. The student can customize steel properties by the most common heat treatments.
3. The student can define the factors affecting materials selection.
4. The student can define the origin and mechanism of mechanical failures of metal alloys.
5. The student can define proper painting methods for different materials.
6. The student can describe the principles of thermal spray coating and weld overlaying.

Assessment criteria, good (3)

1. The student can describe the hardening mechanisms of metals.
2. The student can eliminate the cold worked structure of metals and strengthen iron-based alloys by heat treatments
3. The student can name the properties corresponding certain requirements.
4. The student can describe the basis of cost accounting and quality control of product painting.
5. The student can describe the applicability of thermal spray and weld overlay processes to different coating requirements.
6. The student can define the occupational safety hazards of the selected coating.
7. The student can define the origin and mechanism of failures of polymers and ceramics.
8. The student can describe the wear mechanisms.
9. The student recognizes the essential characteristics of failure types.

Assessment criteria, excellent (5)

1. The student recognizes the purpose of the essential alloying elements in steels.
2. The student can utilize phase diagrams and CCT-diagrams in heat treatments.
3. The student can judge the cause of a material failure according to its appearance and the exposure conditions.
4. The student can define how a certain type of failure can be avoided.
5. The student can define the relevance of welding energy and heat input in overlaying. The student can take into account the metallurgical factors in weld overlaying.
6. The student can calculate coating costs.

Assessment criteria, approved/failed

1. The student can describe the properties of phases in ferroalloys.
2. The student can customize steel properties by the most common heat treatments.
3. The student can define the factors affecting materials selection.
4. The student can define the origin and mechanism of mechanical failures of metal alloys.
5. The student can define proper painting methods for different materials.
6. The student can describe the principles of thermal spray coating and weld overlaying.

Further information

The course includes physics (statics).