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Machinability of Ti6Al4V using minimum quantity cooling lubrication under various oil supply rates
KTH, Skolan för industriell teknik och management (ITM), Industriell produktion, Maskin- och processteknologi.
KTH, Skolan för industriell teknik och management (ITM), Industriell produktion, Maskin- och processteknologi.ORCID-id: 0000-0002-5960-2159
KTH, Skolan för industriell teknik och management (ITM), Industriell produktion, Maskin- och processteknologi.
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Nationell ämneskategori
Maskinteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-173596OAI: oai:DiVA.org:kth-173596DiVA, id: diva2:853792
Anmärkning

QS 2015

Tillgänglig från: 2015-09-15 Skapad: 2015-09-15 Senast uppdaterad: 2015-09-15Bibliografiskt granskad
Ingår i avhandling
1. Numerical and Experimental Investigations of the Machinability of Ti6AI4V: Energy Efficiency and Sustainable Cooling/ Lubrication Strategies
Öppna denna publikation i ny flik eller fönster >>Numerical and Experimental Investigations of the Machinability of Ti6AI4V: Energy Efficiency and Sustainable Cooling/ Lubrication Strategies
2015 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

Titanium alloys are widely utilized in the aerospace, biomedical,marine, petro-chemical and other demanding industries due to theirdurability, high fatigue resistance and ability to sustain elevateoperating temperature. As titanium alloys are difficult to machine, dueto which machining of these alloys ends up with higher environmentalburden. The industry is now embracing the sustainable philosophy inorder to reduce their carbon footprint. This means that the bestsustainable practices have to be used in machining of titanium alloys aswell as in an effort to reduce the carbon footprint and greenhouse gas(GHG) emissions.In this thesis, a better understanding towards the feasibility of shiftingfrom conventional (dry and flood) cooling techniques to the vegetableoil based minimum quantity cooling lubrication (MQCL) wasestablished. Machining performance of MQCL cooling strategies wasencouraging as in most cases the tool life was found close to floodstrategy or sometimes even better. The study revealed that theinfluence of the MQCL (Internal) application method on overallmachining performance was more evident at higher cutting speeds. Inaddition to the experimental machinability investigations, FiniteElement Modeling (FEM) and Computational Fluid Dynamic (CFD)Modeling was also employed to prediction of energy consumed inmachining and cutting temperature distribution on the cutting tool. Allnumerical results were found in close agreement to the experimentaldata. The contribution of the thesis should be of interest to those whowork in the areas of sustainable machining.

Ort, förlag, år, upplaga, sidor
Stockholm: KTH Royal Institute of Technology, 2015. s. xx, 136
Serie
TRITA-IIP, ISSN 1650-1888 ; 15:07
Nyckelord
Titanium alloys, Energy consumption, Wear mechanisms, Finite element analysis, computational fluid dynamic analysis
Nationell ämneskategori
Produktionsteknik, arbetsvetenskap och ergonomi
Forskningsämne
Industriell produktion
Identifikatorer
urn:nbn:se:kth:diva-173594 (URN)978-91-7595-702-9 (ISBN)
Disputation
2015-10-01, Brinellsal M311, Brinellvägen 68, KTH, Stockholm, 10:00 (Engelska)
Opponent
Handledare
Anmärkning

QC 20150915

Tillgänglig från: 2015-09-15 Skapad: 2015-09-15 Senast uppdaterad: 2015-09-15Bibliografiskt granskad

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Rashid, Amir

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Pervaiz, SalmanRashid, AmirNicolescu, Mihai
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