Лазерное оплавление покрытия на основе стали 10Р6М5 и его влияние на процесс износа в паре трения; Инновационные технологии в машиностроении
| Parent link: | Инновационные технологии в машиностроении.— 2021.— [С. 38-41] |
|---|---|
| Main Author: | Гнюсов С. Ф. Сергей Фёдорович |
| Corporate Author: | Национальный исследовательский Томский политехнический университет Инженерная школа неразрушающего контроля и безопасности Отделение электронной инженерии |
| Other Authors: | Федин Е. А. |
| Summary: | Заглавие с экрана В работе исследуется интенсивность изнашивания покрытий на основе стали 10Р6М5 в триботехническом контакте «колесо - две колодки» после дискретного поверхностного лазерного оплавления в паре трения с термообработанной шарикоподшипниковой сталью. Установлено, что исходное покрытие, имеющее в своем составе большую объемную долю хрупкой составляющей не способно эффективно сопротивляться износу и приводят к преждевременному выкрашиванию больших конгломератов композиционного покрытия. Покрытия после лазерного оплавления в оплавленных участках имеют только 47% мартенсита от общего объема матрицы, что позволяет эффективно релаксировать возникающие напряжения. The paper investigates the wear rate of coatings based on 10R6M5 steel in the tribotechnical contact "wheel - two pads" after discrete surface laser melting in a pair of friction with heat-treated ball bearing steel. It was found that the initial coating, which has a large volume fraction of the brittle component, is not able to effectively resist wear and lead to premature spalling of large conglomerates of the composite coating. The coatings after laser melting in the melted areas have only 47% martensite of the total matrix volume, which makes it possible to effectively relax the arising stresses. |
| Language: | Russian |
| Published: |
2021
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| Series: | Технологии получения и обработки материалов в машиностроении |
| Subjects: | |
| Online Access: | http://earchive.tpu.ru/handle/11683/67852 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=633111 |
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