Thermal-assisted machining of nickel-based alloy
Nickel-based alloy can be found in different industrial applications especially in aircraft engines and hot end components of various types of gas turbines with its high strength, strong corrosion resistance and excellent thermal fatigue properties and thermal stability compared to conventional mate...
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| Main Authors: | , , |
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| Format: | Book Section |
| Published: |
Intech Open Access Journal
2015
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| Subjects: | |
| Online Access: | http://eprints.uthm.edu.my/7392/ http://eprints.uthm.edu.my/7392/1/Thermal%2DAssisted_Machining_of_Nickel%2Dbased_Alloy%2Dbook_chapter.pdf |
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| Summary: | Nickel-based alloy can be found in different industrial applications especially in
aircraft engines and hot end components of various types of gas turbines with its high
strength, strong corrosion resistance and excellent thermal fatigue properties and
thermal stability compared to conventional materials. However, nickel-based alloy is
one of the extremely difficult-to-cut materials. During the machining process, the
interaction between the tool and the workpiece causes severe plastic deformation and
intense friction at the tool-workpiece interface. Because of the increasing demands in
industries, any improvement of conventional machining processes or any other
deployment of additional technique is directly related to higher productivity.
Thermal-assisted machining (TAM) has become an effective alternative to the
conventional machining of these difficult-to-cut materials. Various types of heating
methods and the beneficial effects on machining of nickel-based alloys are discussed
in this chapter. Finally, TAM was proven as an efficient technique to increase the
machinability of nickel-based alloys in terms of tool life, surface roughness and cutting
force. |
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