Appendix 4 microphotographs of fractures

Steel 80С, hot-rolled

t=+20C, х240 t=+20C, х240

t=+20C, х1000 t=+20C, х1000

Steel 20ХГ2Т, hot-rolled

t=+20C, х240 t=+20C, х240

t=+20C, х1200 t=+20C, х1000

Steel 20ХГ2Т, hot-rolled

t=+20C, х1000 t=-20C, х240

t=-20C, х1000 t=-60C, х240

Steel 20ХГ2Т, hot-rolled

t=-60C, х240 t=-60C, х1000

t=-60C, х1000 t=-60C, х1000

Steel 25Г2C, hot-rolled

t=+20C, х240 t=+20C, х240

t=+20C, х1000 t=+20C, х1000

Steel 25Г2C, hot-rolled

t=-20C, х240 t=-20C, х240

t=-20C, х1000 t=-20C, х1000

Steel 25Г2C, hot-rolled

t=-60C, х240 t=-60C, х1000

t=-60C, х1000 t=-60C, х1000

Steel of 25Г2C, TS furnace

t=  +20C, х240 t=  +20C, х240

t=  +20C, х1000 t=  +20C, х1000

Steel 25Г2C, TS mill

t= +20C, х240 t= +20C, х240

t= +20C, х1000 t= +20C, х1000

Steel 25Г2C, TS mill

t= -20C, х240 t= -20C, х240

t= -20C, х1000 t= -20C, х1000

Steel 25Г2C, TS mill

t= -60C, х240 t= -60C, х240

t= -60C, х1000 t= -60C, х1000

Appendix 5 design regulations of the course paper

The explanatory note to the course paper is conventionally subdivided into:

- introduction;

- main part;

- appendix.

Introduction

Introduction contains the following structural elements:

- title page;

- task for the course paper;

- abstract;

- contents;

- list of conventional signs, symbols, contractions, terms.

Title page

A title page contains information that should be represented in the following sequence:

a) information about the ministry, higher educational establishment, department;

b) complete name of document. The division of words in the heading of title page is forbidden;

c) signatures of supervisors, tutors and the student who executed this the course paper. The signatures of responsible persons are placed in the following order: to the left there should be the white space for the personal signatures. To the right of this white space the posts, surnames, names and patronymics should be pointed in appropriate lines. Below the personal signatures, there should be pointed the dates of signing in Arabic numerals in the following sequence: year, month, date. For example, December, 26, 2002 should be designed as: 2002.12.26. or 02.12.26., verbally-digital dates design is also possible: December, 26, 2002.

d) year of explanatory note drawing up.

Task of the course paper

The supervisor formulates and gives the task.

There should be the topic of the course paper, data values, list of questions that should be studied in the task. The timetable of work stages preparation can also be shown in the task.

Abstract

An abstract is intended for getting acquainted with a work. It is prepared in the official (Ukrainian) language.

The abstract should be brief, informative and it should contain all necessary information that allows making the decision about the expedience of all explanatory note or report reading.

The abstract is placed directly after a title page. It begins from a new page.

The abstract should contain:

- information about the note volume, quantity of illustrations, tables, appendixes, resources quantity in accordance with the list of references;

- text of the abstract;

- list of keywords.

The text of the abstract of the course paper should reflect the information given in the explanatory note in the following sequence:

- object or research of the development;

- purpose of the work;

- research methods and equipment;

- results and their novelty;

- the main structural, technological and operational data and indices;

- recommendations of the work data use;

- economic efficiency;

-summary.

The abstract should contain one A4 page. The keywords are placed after the abstract text. The quantity of keywords should be from 5 to 15 words (word-combinations). The keywords should be written in capital letters in a line with commas.

Contents

The contents are placed right after the abstract. It begins from a new page. The contents include: introduction; all sections titles consequently listed, subsections titles; conclusions; list of references; appendixes titles and number of pages which the next material begins from.

List of conventional signs, symbols, contractions, terms

All accepted in the paper, but rare conventional signs, symbols, contractions, terms should be explained in a list placed right after the contents. It also begins from a new page. Irrespective of this with the first appearance of these elements in the text, their decoding should be written. The list should be written in a column. To the left reference designations, symbols, abbreviation units, terms should be written in the alphabetical order. To the right their detailed decoding should be written.

Main part

The main part contains the following structural elements:

- Introduction;

- Essence of explanatory note;

- Conclusions;

- Recommendations;

- List of references.