Machining of β-titanium-alloy Ti–10V–2Fe–3Al under cryogenic conditions: Cooling with carbon dioxide snow

Machai, Christian; Biermann, Dirk

doi:10.1016/j.jmatprotec.2011.01.022

Cited by 144 publications

(71 citation statements)

References 22 publications

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“…Elimination of lubricants and coolants presents some additional challenges in machining of difficult-to-cut materials. Well-known negative effects, in addition to rapid tool wear, are generation of high cutting forces, poor surface finish and, ultimately, poor dimensional accuracy of a finished component [11]. As a result, several finishing steps need to be incorporated into a manufacturing process in order to obtain the desired component quality, increasing the overall machining cost.…”

Section: Introductionmentioning

confidence: 99%

Enhanced ultrasonically assisted turning of a β-titanium alloy

et al. 2013

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Section: Introductionmentioning

confidence: 99%

Enhanced ultrasonically assisted turning of a β-titanium alloy

et al. 2013

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“…Therefore, dry machining is of great interest due to the current demand for green manufacturing processes (Weinert et al, 2004). Dry machining based on conventional cutting processes poses new challenges as it produces high cutting forces, poor surface finish and poor dimensional accuracy (Machai and Biermann, 2011). As a result, several finishing steps need to be incorporated into a manufacturing process in order to obtain the desired quality of components, increasing the overall machining cost.…”

mentioning

confidence: 99%

Thermally enhanced ultrasonically assisted machining of Ti alloy

Muhammad

Maurotto

Demiral

et al. 2014

CIRP Journal of Manufacturing Science and Technology

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Recently, a non-conventional machining technique known as ultrasonically assisted turning (UAT) was introduced to machine modern alloys, in which low-energy, highfrequency vibration is superimposed on the movement of a cutting tool during a conventional cutting process. This novel machining technique, results in a multi-fold decrease in the level of cutting forces with a concomitant improvement in surface finish of machined modern alloys. Also, since the late 20 th century, machining of wear resistant materials that soften when heated have been carried out with hot machining techniques. In this paper, a new hybrid machining technique called Hot Ultrasonically AssistedTurning (HUAT) is introduced for the processing of a Ti-based alloy. In this technique,UAT is combined with a traditional hot machining technique to gain combined advantages of both schemes for machining of intractable alloys. HUAT of the Ti alloy was analysed experimentally and numerically to demonstrate the benefits in terms of reduction in the cutting forces and improvement in surface roughness over a wide range of industrially relevant speed-feed combinations for titanium alloys.

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“…It should be validated, if the carbon dioxide cooling strategy can achieve an increase in tool life of γ titanium aluminides, like it is when machining of titanium alloys [31].…”

Section: Fig 5 Cutting Volumes Resulted From Experimentsmentioning

confidence: 99%

Investigation of Coolants in Machining of Titanium Aluminides

Finkeldei¹,

Bleicher²

2016

DAAAM Proceedings

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Titanium and nickel based alloys are two types of industrially used materials. Especially in aerospace and automotive industry, the intermetallic titanium aluminides tend to replace these prevailing materials. Their density is only a half of nickel based alloys and a high strength at room temperature and hot condition is retained. But the high reaction affinity against tool materials, their low Youngs modulus and low heat conductivity cause difficulties in machining. During the machining process, low heat conductivity leads to high thermal loading of tools and therefore a well-directed cooling strategy is necessary. In this paper an overview about different cooling strategies, such as cryogenic carbon dioxide cooling and minimum quantity lubrication of the titanium aluminide Ti-48Al-2Cr-2Nb is shown. Based on a literature research and the experiments conducted in this investigation, cryogenic cooling is a reliable option for reducing toolwear.

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Machining of β-titanium-alloy Ti–10V–2Fe–3Al under cryogenic conditions: Cooling with carbon dioxide snow

Cited by 144 publications

References 22 publications

Enhanced ultrasonically assisted turning of a β-titanium alloy

Enhanced ultrasonically assisted turning of a β-titanium alloy

Thermally enhanced ultrasonically assisted machining of Ti alloy

Investigation of Coolants in Machining of Titanium Aluminides

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