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Ecological trends in machining as a key factor in sustainable production – A review

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TLDR
In this paper, a comprehensive analysis of literature pertaining to ecological trends in machining processes of difficult-to-cut materials (e.g. hard steels, Ti-based alloys, Ni based alloys) has been performed.
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Critical review on ecological, economical and technological aspects of minimum quantity lubrication towards sustainable machining

TL;DR: In this paper, the various cooling and lubrication techniques employed during machining operations were critically analyzed and their potential towards sustainable machining was examined, and the review results revealed that considerable advancements were reported in cooling and liquidation techniques and pointing towards economical, ecological and sustainable machine.
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Recent Advances in Turning Processes Using Coated Tools—A Comprehensive Review

TL;DR: In this paper, a presentation of various recently published papers on this subject is going to be made, mentioning the various types of coatings that have recently been used in the turning process, the turning of hard to machine materials, such as titanium alloys and Inconel, as well as the interaction of these coatings with the turned surfaces, the wear patterns that these coatingings suffer during the turning, and relating these wear mechanisms to the coated tool's life expectancy.
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Sustainable Lubrication Methods for the Machining of Titanium Alloys: An Overview

TL;DR: This study is intended to describe, analyse and review the non-traditional lubrication techniques developed in turning, drilling and milling processes since 2015, including minimum quantity of lubricant, cryogenic lubrication, Minimum quantity of cooling lubrication or high-pressure coolant.
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Synergistic effect of silica and pure palm oil on the machining performances of Inconel 690: A study for promoting minimum quantity nano doped-green lubricants

TL;DR: In this article, the performance of an indigenously developed minimum quantity nano-green lubricant is investigated in milling of Inconel 690 superalloys, where nano-silica was reinforced into palm oil and sprayed into the toolchip interface through minimum quantity lubrication set up.
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Vegetable oil-based lubricants—A review of oxidation

TL;DR: In this paper, the basic mechanism of vegetable oil autoxidation is presented, along with methods used to monitor and analyse the products of oxidation, and the potential impact of such oxidation products on lubrication performance is discussed.
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Environmental friendly cutting fluids and cooling techniques in machining: a review

TL;DR: In this article, a review of green machining including the cutting fluid type as well as the methods to apply the cutting fluids in machining process is made regarding an attempt was made regarding of green manufacturing including cutting fluid types and its machining conditions are critically important in order to maximize the efficiency of cutting fluids.
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Transitioning to sustainable production – Part I: application on machining technologies

TL;DR: In this article, the authors present general issues, methods and a case study for achieving production sustainability on a machining technology level, and conclude that the future of sustainable production is going to entail the use of alternative machining technologies to reduce consumption rates, environmental burdens, and health risks simultaneously, while increasing performances and profitability.
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Cooling techniques for improved productivity in turning

TL;DR: In this paper, the authors present an overview of major advances in techniques such as minimum quantity lubrication (MQL)/near dry machining (NDM), high pressure coolant (HPC), cryogenic cooling, compressed air cooling and use of solid lubricants/coolants.
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New cooling approach and tool life improvement in cryogenic machining of titanium alloy Ti-6Al-4V

TL;DR: In this paper, a micro-nozzle was proposed to inject focused liquid nitrogen into the chip-tool interface at the point of highest temperature to lower the coefficient of friction between the chip and the tool.
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