Journal article
(Original article)


On the Influence of Ta and Ti on Heat-Treatability and γ/γ'-Partitioning of High W Containing Re-Free Nickel-Based Superalloys


Publication Details
Author(s): Ritter N, Schesler E, Müller A, Rettig R, Körner C, Singer R
Publisher: Wiley-VCH Verlag
Publication year: 2017
ISSN: 1527-2648
Language: English

Abstract

Refractory elements like W are potent solid solution strengtheners, but they are also heavy and costly. They should be used as sparingly as possible. In the present paper, a series of single crystal alloys are prepared with varying amounts of Ta and Ti, but constant overall refractory concentration and γ'-volume fraction. Partitioning behavior of W and other elements after solutionizing and ageing treatment is investigated. Both, Ta and Ti are able to increase the W content in the γ-matrix. This provides an effective strategy to maximize solid solution strengthening potential for a given overall W content of the alloy. The experimentally determined phase characteristics and homogenization behavior are compared with numerical simulation. Good agreement is observed.



How to cite
APA: Ritter, N., Schesler, E., Müller, A., Rettig, R., Körner, C., & Singer, R. (2017). On the Influence of Ta and Ti on Heat-Treatability and γ/γ'-Partitioning of High W Containing Re-Free Nickel-Based Superalloys. Advanced Engineering Materials. https://dx.doi.org/10.1002/adem.201700150

MLA: Ritter, Nils, et al. "On the Influence of Ta and Ti on Heat-Treatability and γ/γ'-Partitioning of High W Containing Re-Free Nickel-Based Superalloys." Advanced Engineering Materials (2017).

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