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2018 | OriginalPaper | Buchkapitel

Hot Deformation Behavior of NiCr19Co6W10Ti3AlB Superalloy

verfasst von : Min Yu, Kaihong Cai, Zhenrui Li, Donghui Xie

Erschienen in: High Performance Structural Materials

Verlag: Springer Singapore

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Abstract

NiCr19Co6W10Ti3AlB alloy is a kind of precipitation hardening nickel-base superalloy, also is a kind of high temperature and high elasticity alloy. The chemical elements of the alloy composition is very complex, it includes more than 4.5% aging strengthening elements of Al and Ti, and nearly 37% solid solution strengthening elements of Cr, W, Co etc. Because of composition segregation in the alloy ingot, the difficulty of hot working is faced. In this paper, the composition segregation and homogenization annealing process of cast NiCr19Co6W10Ti3AlB alloy were studied. The dendrite segregation and its elimination method were investigated by homogenization annealing experiment. High temperature plastic deformation behavior of NiCr19Co6W10Ti3AlB alloy was also studied in this paper. By thermal simulation compression test, the thermal deformation behavior and microstructure change under different deformation conditions were analyzed, which provides a good reference for practical production.

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Metadaten
Titel
Hot Deformation Behavior of NiCr19Co6W10Ti3AlB Superalloy
verfasst von
Min Yu
Kaihong Cai
Zhenrui Li
Donghui Xie
Copyright-Jahr
2018
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-13-0104-9_66

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