The Influence of Vibro-Assisted Abrasive Processing on the Surface Roughness and Sub-Surface Microstructure of Inconel 939 Specimen Made by LPBF-Reference-Cited by-同舟云学术

The Influence of Vibro-Assisted Abrasive Processing on the Surface Roughness and Sub-Surface Microstructure of Inconel 939 Specimen Made by LPBF

Published:2023-11-29 Issue:23 Volume:16 Page:7429
ISSN:1996-1944
Container-title:Materials
language:en
Short-container-title:Materials

Author:

Radziejewska Joanna¹,Marczak Michał¹,Maj Piotr²^ORCID,Głowacki Dominik³

Affiliation:

1. Institute of Manufacturing Technology, Warsaw University of Technology, 85 Narbutta Street, 02-524 Warsaw, Poland

2. Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141 Street, 02-507 Warsaw, Poland

3. Faculty of Power and Aeronautical Engineering, Warsaw University of Technology, 00-665 Warsaw, Poland

Abstract

This paper presents the research results on the influence of vibration abrasive machining parameters on the surface layer integrity of elements made by LPBF technology from Inconel 939. The research was carried out on samples of various sizes on vibrating smoothing machines. The influence of the size of the processed elements, the type of abrasive shapes, the processing time, and the supporting fluid on the surface roughness and microstructure of the processed elements was analyzed. Tests have shown that as a result of using vibration processing, it is possible to reduce the surface roughness five times to the value of Ra = 1.1 µm. A significant influence of the type of abrasive shapes was found. There was no significant effect of the machining fluid on the process.

Funder

Warsaw University of Technology

Publisher

MDPI AG

Subject

General Materials Science

Link

https://www.mdpi.com/1996-1944/16/23/7429/pdf

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