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Age Hardenable Nickel-Based Alloy Developments and Research for New High Temperature Power Cycles Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Development of New Alloy 718 with Super Machinability

Authors : Chihiro Furusho, Yuya Kousai, Mototsugu Osaki, Koichi Uno

Published in: Proceedings of the 9th International Symposium on Superalloy 718 & Derivatives: Energy, Aerospace, and Industrial Applications

Publisher: Springer International Publishing

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Abstract

Alloy 718 has been applied in a lot of applications such as aerospace, power generation plant, automobile and Oil & Gas. Most products of Alloy 718 are finally produced by machining process because there are a lot of complex product shapes. Therefore, improvement of the machinability can contribute to the manufacturability. One of the important factors for the machinability is large carbide because carbide has very high hardness. Distribution and size of carbides strongly influence on cutting tool life. New developed Alloy 718 has low carbon content to suppress the formation of NbC type carbides. Developed alloy extremely improves turning tool life in comparison with conventional Alloy 718. Moreover, developed alloy satisfies chemical compositions and mechanical properties of AMS 5663N and API 6ACRA.

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previous chapter Computed Tomography as an Alternative Method to Measure Crack Growth in Non-conventional Geometries
next chapter Development of Ni-Base Disk Alloy for Large-Size Gas Turbines by Improving Macrosegregation Property of Alloy 718
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Metadata
Title
Development of New Alloy 718 with Super Machinability
Authors
Chihiro Furusho
Yuya Kousai
Mototsugu Osaki
Koichi Uno
Copyright Year
2018
Book
Proceedings of the 9th International Symposium on Superalloy 718 & Derivatives: Energy, Aerospace, and Industrial Applications

Print ISBN: 978-3-319-89479-9

Electronic ISBN: 978-3-319-89480-5

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-89480-5_71

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