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Technology of Materials I

Course developer

Course abstract

The aim of the study course is to obtain knowledge about classification of constructional materials, physical - mechanical properties, structure and application. Obtain alloy and non-ferrous metals properties and application as well as production of casting and metal pressing modification and technology. Learn theoretical processes, equipment and types of welding. Theoretically learn metal cutting machines, equipment, tools and technology.

Learning outcomes and their assessment

Knowledge - of theoretical and empirical studies in material and metalworking – Tests; Knows the advantages and disadvantages of metal construction or type of processing – Test; Familiar with construction materials physically - mechanical properties and structures. Test and laboratory works; Knows welding processes, equipment, tools and selection of technical parameters. Test and laboratory works; Knowledge in metal cutting machines and abrasive materials and their applications – Test.
Skills - abilities to make practical calculations for metal constructions and their costs, as well as knowing material grades to evaluate their mechanical properties and applications - laboratory works; abilities to decipher the marks of alloy steels and non-ferrous metals and their alloys - Test and laboratory work;

Competences - in the calculations of technological processes of metal processing, using various calculation methods. Tests, laboratory works, final test.

Course Content(Calendar)

Full time intramural studies:
LECTURES:
1. Classification of materials. Structural materials physically - mechanical properties and structure. Alloy theory – 1 hour;
2. Metal classification and properties. Test – 1hour;
3. Iron and its alloys. Heat-treatment theory – 1 hour;
4. Theory of alloy. Test – 1hour;
5. Basics of heat treatment technology – 1 hour;
6. Metal heat-treatment. Test – 1hour;
7. Strengthening the surface of steel parts – 1 hour;
8. Metal mechanical properties. Test – 1 hour;
9. Alloy steel. Non-ferrous metals and their alloys – 1 hour;
10. Ferrous and nonferrous metals. Test – 1 hour;
11. Technological process for the processing of structural materials. Production of castings. General information about casting production. Importance of castings in the engineering industry. Type of metal forging. – 1 hour;
12. Metal casting. Test – 1hour;
13. Types and applications of metal welding. – 1 hour;
14. Metal welding. Test – 1 hour;
15. Principles and techniques in riveting. Basic concepts for metals cutting. Metal cutting machines. Abrasive treatment, equipment, instruments, abrasive materials and their application. – 1hour;
16. Metal cutting machines und abrasive materials. Test – 1 hour.

LABORATORY WORKS:
1. Brinell hardness test – 1 hour;
2. Rockwell hardness test – 1 hour;
3. Vickers hardness test – 1 hour;
4. Mechanical properties of metals – 2 hours;
5. Iron carbon phase diagram – 1 hour;
6. Microscope MIM-7 – 1 hour;
7. Heat treatment - 1hour;
8. Marking of alloy steels – 1 hour;
9. Marking of non-ferrous metals – 1 hour;
10. Design and formation of castings. – 2 hours;
11. Metal forging – 1 hour;
12. Manual metal arc welding – 1 hour;
13. Gas metal arc welding – 1 hour;
14. Gas welding – 1 hour.
Part time extramural studies:

All topics specified for full time studies are accomplished, but the number of contact hours is one half of the number specified in the calendar

Requirements for awarding credit points

Test type - test with mark. The final test task consists of a test on the theoretical subjects acquired during the study course. All tests, homework must be carried out.

Description of the organization and tasks of students’ independent work

Preparation for 8 tests and 14 laboratory works. – 20 hours.
Home work No 1. Describe the types of metal casting (submit an electronic or written version) – 14 hours;
Home work No 2. Describe the types of metal welding (submit an electronic or written version) – 14 hours.

Criteria for Evaluating Learning Outcomes

Students, who have at least assessment 6 in this course of study, the final test may not write, and the test rating is compared with the test assessment.

Compulsory reading

1. Vērdiņš G., Dukulis I. Materiālu mācība. Jelgava: LLU, 2008. 240 lpp.
2. Avotiņš J. Metālapstrāde. Jelgava: LLU, 2009. 400 lpp.

3. Pētersons O. Priednieks J. MIG/MAG metināšana. Rīga: AGA SIA, 2005. 107 lpp.

Further reading

1. Shackelford J.F., Alexander V. Material Science and Engineering Handbook. 3th Edition. CRC Press, 2000. 1949 p.
2. Steel: Handbook for Materials Research and Engineering. Vol. 1: Fundamentals. Berlin etc.: Springer; Dusseldorf: Verlag Stahleisen. 1992. 737 p.

3. Modern automotive technology. Fundamentals, service, diagnostics: head of working group and editorial office: Rolf Gescheidle. Stuttgart, 2006. 688 p.

Notes

Compulsory course in full-time and part-time studies of professional higher education bachelor study program Applied Energy Engineering.