Effective cooling methods for Ti6Al4V CNC milling: a review

The Ti6Al4V is an eminent material by its high strength, dimensional stability, lower weight and corrosion resistance. Its lower thermal conductivity leads to poor machinability by exhibiting metallurgical alterations. This article discusses the details of dry, wet, cryogenic, minimum quantity lubri...

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Bibliographic Details
Published in:Advances in materials and processing technologies (Abingdon, England) England), 2023-04, Vol.9 (2), p.457-506
Main Authors: Patil, Amit S., Sunnapwar, V. K., S. Bhole, K., Ray, M. P., More, Y. S.
Format: Article
Language:English
Subjects:
cryogenic cooling
dry cooling
high-pressure cooling
hybrid nanofluids
indirect hybrid cooling
minimum quantity lubrication with nanoparticles
multi-wall carbon nanotubes
sustainability
Ti6Al4V
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Summary:The Ti6Al4V is an eminent material by its high strength, dimensional stability, lower weight and corrosion resistance. Its lower thermal conductivity leads to poor machinability by exhibiting metallurgical alterations. This article discusses the details of dry, wet, cryogenic, minimum quantity lubrication and hybrid cooling methods in the milling of Ti6Al4V. Dry cooling has a worse acute effect on tool life and surface quality by thermal degradation. The widespread high-pressure cooling controls heat dissipation, but cutting tools are affected by chipping and adhesion under long-run milling. In the first instance, cryogenic cooling like liquid nitrogen and liquid carbon dioxide assisted cooling shows excellent tool life and surface integrity; however, excessive uncontrolled chilling and abnormal lubrication affect milling performance. Minimum quantity lubrication with nanoparticles and their combination with multi-wall carbon nanotubes improves the machinability by balanced cooling and lubrication under the concept of green manufacturing engineering. Indirect hybrid cryogenic cooling is a new era in superalloy's cooling methods for long-run applications. The prime drive of this review is to formulate a bridge between cooling and performance under sustainability concerns and propounds the hybrid nanofluids and indirect hybrid cryogenic cooling being the future of Ti6Al4V milling under the mapping of sustainable scale.
ISSN:2374-068X
2374-0698
DOI:10.1080/2374068X.2022.2094073