Metal powder sintering additive technologies for aviation and engineering industries

Panchenko, V. Ya.; Vasiltsov, V.V.; Egorov, E.N.; Il'ichev, I N; Соловьев, А.В.; Богданов, Александр; Misyurov, A.I.; Smirnova, N.A.

doi:10.22184/1993-7296.2016.60.6.36.47

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…Технология лазерного аддитивного выращивания стала одним из наиболее актуальных направлений современной промышленности благодаря существенному сокращению сроков изготовления и снижению себестоимости при единичном и мелкосерийном производстве. Применение этой технологии позволяет изготовлять изделия высокой сложности и геометрии [1][2][3]. Процесс КЛП отличается высокой производительностью, а также возможностью выращивания деталей из разных, в том числе градиентных, композитных материалов.…”

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“…В качестве материалов для лазерного коаксиального выращивания в настоящее время применяются порошки любых видовот стальных до композиционных [2]. Одними из наиболее многообещающих материалов являются меди и медные сплавы, область применения которых разнообразна, что обусловлено их высокими электропроводностью и теплопроводностью, способностью подвергаться пластическому деформированию, хорошей сопротивляемостью коррозии.…”

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“…В качестве источника излучения для коаксиального лазерного плавления применяют газовые лазеры, лазеры видимого диапазона, твердотельные или волоконные лазеры [7]. Проанализировав параметры, которые используются для выращивания [8], можно оценить диапазон плотности мощности для обработки методом КЛП: для 1,064 мкм -8 2 10  Вт/см 2 , для 515 мкм - 4 10 и 5 10 Вт/см 2 в зависимости от диаметра пятна.…”

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Special aspects of the use of laser coaxial melting of powder materials for creating objects from copper-base alloys

Shishov

Melnikova

Holopov

et al. 2020

EJSI

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Among the methods of additive technologies, coaxial laser melting, i.e. direct metal deposition (DMD), is quite widespread. Essentially, this process is about creating objects by sequentially deposing layers of powder and melting them due to their simultaneous supply through a nozzle with focusing of laser radiation into the processing zone. Various powders are used as materials for this technology, the powders being selected depending on the tasks and final characteristics. One of the promising directions for implementation is the creation of complex structures from copper alloys for aircraft construction. Despite the fairly widespread use of this technology in relation to copper alloys, in particular bronzes, there is a small amount of data and research for this technology. The purpose of this study was to understand the process of forming the materials when grown by the DMD method. For this purpose, the fusion of bronzes with a steel substrate was investigated; special aspects were revealed, which made it possible to pose the second task - the study of fusion of bronzes with a copper substrate. As a result, the microstructure of the samples was considered and their micro-hardness was measured.

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Special aspects of the use of laser coaxial melting of powder materials for creating objects from copper-base alloys

Shishov

Melnikova

Holopov

et al. 2020

EJSI

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Research of features of creation one-dimensional objects with pulse selective laser melting using the mathematical regression model

Melnikova

Taksants

Kholopov

et al. 2021

XLIV ACADEMIC SPACE CONFERENCE: Dedicated to the Memory of Academician S.P. Korolev and Other Outstanding Russian Scientists –

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A Study of Creating One-Dimensional Objects with Pulse Selective Laser Melting

et al. 2020

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The widespread use and implementation of selective laser melting (SLM) technology entails active development in this area, especially for parts with complex internal circuits used in aircraft manufacturing. In this technology, a continuous laser source is usually used as a radiation source. Along with all the advantages, this technology has a number of detrimental features and disadvantages that can be avoided by using a pulsed laser. In this study, the AISI 316L steel was selected as the powder. The possibility of creating tracks by pulsed selective laser melting was examined with a focus on determining the parameters that had the highest impact on the process of object formation. The analysis of the experimental studies carried out by this method showed that the main parameters affecting the track size were the pulse duration and instantaneous radiation energy. The calculated mathematical model made it possible to establish the basic dependences and present the optimal range of parameters to achieve the predicted processing result.

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Metal powder sintering additive technologies for aviation and engineering industries

Cited by 4 publications

References 2 publications

Special aspects of the use of laser coaxial melting of powder materials for creating objects from copper-base alloys

Special aspects of the use of laser coaxial melting of powder materials for creating objects from copper-base alloys

Research of features of creation one-dimensional objects with pulse selective laser melting using the mathematical regression model

A Study of Creating One-Dimensional Objects with Pulse Selective Laser Melting

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