laboratory workshop manual

laboratory workshop No 3

experamental part presentation

Report must be composed according to the report requirements (page 38)

Additional demands for laboratory workshop report:

To draw scheme of steel 20 structure after cementation and slow cooling in furnace and to describe structures that we have in this case (slide No 10);

To draw scheme of steel 20 structure after cementation and high frequency currents quenching and to describe structures that we have in this case (slide No 12);

To draw scheme of steel 45 structure after HFC quenching and to describe structures that we have in this case (slide No 13);

Summary:

1 - according to the purpose of laboratory workshop;

2 - according to results: to describe the difference between three investigated steel structures; to explain why we need to provide cementation or high frequency currents quenching;