title: Ð¤Ð¸Ð·Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¼ÐµÑÐ¾Ð´Ñ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð³ÑÐ°Ð½Ð¸Ñ Ð·ÐµÑÐµÐ½ Ð² ÑÑÐ°Ð»Ð¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Physical Techniques for Studying of Grain Boundaries in Steel
Creators: name: ÐÐµÑÑÐµÑÐ¾Ð²Ð°, Ð®Ð»Ð¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Ð²ÑÑÐ¾ÐºÐ¾Ð¿ÑÐ¾ÑÐ½ÑÐµ ÑÑÐ°Ð»Ð¸
ÑÑÑÑÐºÑÑÑÐ° Ð²ÑÑÐ¾ÐºÐ¾Ð¿ÑÐ¾ÑÐ½ÑÑ ÑÑÐ°Ð»ÐµÐ¹
Ð³ÑÐ°Ð½Ð¸ÑÑ Ð·ÑÑÐµÐ½
ÑÐ½ÐµÑÐ³Ð¸Ñ Ð³ÑÐ°Ð½Ð¸Ñ
Ð¸Ð¾Ð½Ð½Ð¾Ðµ ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ
high-strength steel
structure of high-strength steel
grain boundaries
boundary energy
ion etching

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description: This work is devoted to the development and training of a new technique for studying grain boundaries in high-strength steels. In the theoretical part of the work, the structure and thermodynamics of grain boundaries are described, existing methods of investigation and identification of boundaries are analyzed. The analysis of each of the methods is carried out in the context of physical and chemical bases, the information received, advantages and disadvantages. The possibility of their use to achieve the goal set in the work is analyzed. In the research part of the work, the methodology of the structures research is defined, described and justified, the description of the materials and equipment is given, parameters for obtaining the necessary structure are determined. As a result of the structure research, data on the grain size and bainite anisotropy were obtained and processed. A comparison between detected structures showed that ion etching can be used successfully for structure analysis.It is established that the ion etching system used in the work does not provide ion beam monochromacy, as a result of which defects with different energies are detected simultaneously. The solution to this problem is possible by using an ion microscope.