Materials science

REPUBLIC OF UZBEKISTAN HIGHER AND
MINISTRY OF SECONDARY SPECIAL EDUCATION


FAR G'ONA POLYTECHNIC INSTITUTE


Department of
"Land transport systems and their maintenance"


from "MATERIALS SCIENCE ".

To perform laboratory work

METHODOLOGICAL INSTRUCTIONS
5320200-"Mechanical engineering technology, equipment and automation of machine-building production" and 5320300-"Technological machines and equipment"

FERGANA -2022

These methodological instructions are intended for students studying in the direction of 5320200 "Mechanical engineering technology, equipment and automation of mechanical engineering production" and 5320300 "Technological machines and equipment " "Construction materials technology" serve as methodological guidelines for conducting laboratory work.

Determination of the hardness of various metals and alloys in this instruction manual. Issues related to casting and pressure treatment of metals are covered.

Methodical instruction " Land transport systems and their maintenance " department meeting

discussion posted and approved .
Statement No. __ "__" _________2022y.

Methodical instruction of the Faculty of Mechanical Engineering

by the methodological commission
reviewed and printed
recommended for
Statement No. __ "__" _________2022y.

Developer : Senior Instructor : Assis : D. Tursunov

Assis : M. Ergashev
TABLE OF CONTENTS
Studying the crystallization process……………………………………………….
Study of the iron-carbon (cementite) state diagram………………..
Studying the technology of preparing macro- and micro-samples……………….
Study of microanalysis of heat-treated carbon steels...
Hardening of steel samples by tores depth determination …………………….
microanalysis of structural steels ………………………………………….
Microanalysis of tool steels……………………………………………….
Study of microstructures of non-ferrous metals and alloys.