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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Imran, M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Synthesis and nano-engineering of MXenes for energy conversion and storage applications: Recent advances and perspectivescitations
- 2022Cesium Manganese Bromide Nanocrystal Sensitizers for Broadband Vis-to-NIR Downshiftingcitations
- 2017Tungsten-molybdenum oxide nanowires/reduced graphene oxide nanocomposite with enhanced and durable performance for electrocatalytic hydrogen evolution reaction.citations
- 2017Enhanced and durable electrocatalytic performance of thin layer PtRu bimetallic alloys on Pd-nanocubes for methanol oxidation reactions.citations
- 2016Influence of Process Parameters on the Quality of Aluminium Alloy EN AW 7075 Using Selective Laser Melting (SLM)citations
- 2016Fatigue Assessment of Laser Additive Manufactured AlSi12 Eutectic Alloy in the Very High Cycle Fatigue (VHCF) Range up to 1E9 cyclescitations
- 2015Computed tomography for characterization of fatigue performance of selective laser melted partscitations
- 2015Influence of process-induced microstructure and imperfections on mechanical properties of AlSi12 processed by selective laser meltingcitations
- 2011Evaluation of surface integrity in micro drilling process for nickel-based superalloycitations
- 2008An experimental investigation of deep-hole microdrilling capability for a nickel-based superalloycitations
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article
An experimental investigation of deep-hole microdrilling capability for a nickel-based superalloy
Abstract
This paper presents the results of an experimental investigation into the feasibility of deep-hole microdrilling a nickel-based superalloy. This material is very challenging to machine and current drilling methods are based on non-conventional machining technologies; the traditional view is that microdrills are too fragile to be used for drilling this high-strength aerospace alloy. The work investigated mechanical microdrilling under various cutting conditions. Mechanical microdrilling may offer the chance of improved hole quality and surface integrity. Initially a review of literature was undertaken with a view to identify the best drill geometry for the production of micro holes in nickel-based alloys. Based on this review the best available commercial micro drills were selected. A special strategy was introduced for selecting the pilot drill in order to ensure gradual loading of the twist drill and reduce the chance of drill breakage. For the cutting tests, 0.5 mm diameter twist drills were used in drilling tests to a depth of 5 mm. The effect of processing parameters such as drill feed rate, spindle speed, and peck depth were evaluated, and the tool wear mechanism was also investigated. The cutting performance was characterized by the number of holes produced before drill breakage. The results show that deep-hole mechanical microdrilling of nickel-based superalloys is technically feasible and offers good hole definition and potentially competitive lead times. © IMechE 2008.