Influence of Milling on Surface Integrity of Ti-6Al-4V-Reference-Cited by-同舟云学术

Influence of Milling on Surface Integrity of Ti-6Al-4V

Published:2013-05 Issue: Volume:698 Page:127-136
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Moussaoui Kamel¹,Mousseigne Michel¹,Senatore Johanna¹,Lagarrigue Pierre²,Caumel Yves³

Affiliation:

1. Université Paul Sabatier

2. Centre Universitaire de Formation et de Recherche Jean François Champollion

3. Institut Supérieur de l’Aéronautique et de l’Espace

Abstract

The present article addresses the influence of milling on the surface integrity of Ti-6Al-4V. Observation of the machined surface from a macroscopic perspective (naked eye) has highlighted anorange peelphenomenon. Under the machined surface no plastically deformed layer or lengthening of the grains were observed. As far as microhardness is concerned, a slightly softened zone was noted under the machined surface. Diffusion of vanadium from phase β to phase α also occurred but without resulting change to the microstructure. Measurement of microhardness and residual stresses showed that the finishing pass predominated over the roughing pass in terms of its influence on surface integrity. The response surface methodology was used in order to highlight those parameters influencing surface integrity. Its application and processing showed that the most influential factor is the nose radius for roughness and the cutting speed for residual stresses.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.698.127.pdf

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