Influence of modification by superdispersed powder of aluminum oxide on lead-tin bronze structure

N. V. Martyushev, R. A. Mamadaliev, V. Yu Skeeba

Результат исследований: Материалы для журнала

Выдержка

Lead-containing tin bronzes are a good antifriction material. The area of their application is limited because of low strength properties. It is possible to enhance the strength properties by changing their structure using modification by nanopowders. This article presents data on the influence of admixtures of the aluminum oxide nanopowder on the structure of the cast bronze (with lead and tin). For the castings, containing different amounts of the prepared modifier based on aluminum oxide, metallographic studies and structural studies were undertaken. Based on the results of the work, the concentrations of the aluminum oxide nanopowder in the modifier, strongly influencing the structure of the castings, have been chosen. It has been shown that even small admixtures of the modifier (0.07-0.25%) based on aluminum oxide allow refining the casting grain, reducing the average size of lead inclusions and forming a dispersed network of eutectoid inclusions.

Язык оригиналаАнглийский
Номер статьи012062
ЖурналJournal of Physics: Conference Series
Том1118
Номер выпуска1
DOI
СостояниеОпубликовано - 10 дек 2018
СобытиеInternational Conference Complex Equipment of Quality Control Laboratories 2018 - Saint-Petersburg, Российская Федерация
Продолжительность: 17 июл 201819 июл 2018

Отпечаток

bronzes
tin
aluminum oxides
admixtures
inclusions
refining
casts

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Цитировать

Influence of modification by superdispersed powder of aluminum oxide on lead-tin bronze structure. / Martyushev, N. V.; Mamadaliev, R. A.; Skeeba, V. Yu.

В: Journal of Physics: Conference Series, Том 1118, № 1, 012062, 10.12.2018.

Результат исследований: Материалы для журнала

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