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Исследование и компьютерное проектирование процесса улучшающей термоциклической обработки стали У8

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Автор
Дата издания
2009
Издательство
БрГТУ
УДК
621.762.001
 
621.793.18
Библиографическое описание
Исследование и компьютерное проектирование процесса улучшающей термоциклической обработки стали У8 / А. А. Шматов [и др.] // Вестник Брестского государственного технического университета. Серия: Машиностроение. – 2009. – № 4. – С. 53–58 : ил. – Библиогр.: с. 58 (12 назв.).
Аннотация
В работе проведена апробация процесса, улучшающая термоциклическую обработку УТЦО. Отмечено, что этот процесс термообработки технологически прост, экономически малозатратен и может заменить существующие технологии термообработки.
Аннотация на другом языке
In practice sharply there is a question of increase of firmness steel smallsize, lengthy and thin with great dispatch-shtampovogo the tool as traditional heat treatment cannot provide to the tool an optimum combination and high indicators of mutually opposite properties: viscosity, on the one hand and durability and hardness, on the other hand. Such traditionally tempered tool usually has a small resource of work, namely, raising hardness and durability of a steel, its viscosity decreases so that with great dispatch-shtampovyj the tool quickly breaks; and at impact strength substantial increase, hardness and durability decreases became that the tool edge conducts to contortion cutting. To solve the specified problem it is possible only having applied improving thermocyclic processing (AITP). The present article is devoted studying and computer designing of such process AITP for steel U8. As a result of researches it is established that the technology of improving thermocyclic processing of tool steel U8 really simultaneously raises mutually opposite mechanical properties: durability and viscosity that allows in comparison with traditional heat treatment to increase wear resistance with great dispatch-shtampovogo the tool more than 2 since. By means of a method of multidimensional design synthesis of technological system mathematical modelling and computer designing of process AITP of steel U8 is spent, are As a result calculated nonlinear numerouscriterion the models describing influence of parametres of process AITP on properties of a tool steel. Discrete portraits of virtual space of technological system are constructed. Optimum technological modes for process realisation in manufacture with the guaranteed achievement of high properties of the steel products subjected to method AITP are defined. In work approbation of process AITP is spent. It is noticed that this process of heat treatment is technologically simple, economically smallbill and can replace existing technologies of heat treatment.
URI документа
https://rep.bstu.by/handle/data/7417
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