BROWSE

Related Researcher

Author's Photo

Park, Hyung Wook
Multiscale Hybrid Manufacturing Lab
Research Interests
  • Advanced manufacturing process and system
  • Flexible manufacturing
  • Multiscale materials

ITEM VIEW & DOWNLOAD

Tool life improvement in cryogenic cooled milling of the preheated Ti-6Al-4V

Cited 0 times inthomson ciCited 0 times inthomson ci
Title
Tool life improvement in cryogenic cooled milling of the preheated Ti-6Al-4V
Author
Lee, IneonBajpai, VivekMoon, SudongByun, JungwonLee, YoungsooPark, Hyung Wook
Issue Date
2015-07
Publisher
SPRINGER LONDON LTD
Citation
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v.79, no.1-4, pp.665 - 673
Abstract
Cryogenic-based machining has been drawing attention for machining hard metals and super alloys such as the titanium alloys due to environmental concerns and growing regulations over pollution. In this study, cryogenic-assisted milling of Ti-6Al-4V has been performed with the preheated workpiece methods to avoid the cryogenic hardening by liquid nitrogen (LN2). Preliminary experiments show an increase in the cutting force due to cooling of the workpiece; therefore, workpiece preheating was adopted to increase the workpiece temperature. Three cutting speeds and three machining environments (dry, cryogenic, and cryogenic plus preheated) were considered in the analysis of tool wear, cutting forces, tool wear morphology, and chip morphology. Soft (Si coating) and hard (CrTiAlN)-coated tools were used in this study. It was observed that the tool life was increased by 50 to 90 % for Si-coated tools and 50 to 55 % for CrTiAlN-coated tools. The tool wear morphology showed that rubbing and chipping were the primary tool wear mechanisms. It is expected that the present work will be useful for improving tool life and reducing the cost of hard metal products. It may also be useful for reducing the ecological problems by conventional cutting fluids.
URI
https://scholarworks.unist.ac.kr/handle/201301/10751
URL
http://link.springer.com/article/10.1007%2Fs00170-015-6849-0
DOI
10.1007/s00170-015-6849-0
ISSN
0268-3768
Appears in Collections:
MEN_Journal Papers
Files in This Item:
There are no files associated with this item.

find_unist can give you direct access to the published full text of this article. (UNISTARs only)

Show full item record

qrcode

  • mendeley

    citeulike

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

MENU