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Journal of Materials Engineering and Performance

Erschienen in:

01.06.2015

Analysis of Phases and Their Role in Strengthening of Cu-Cr-Zr-Ti Alloy

verfasst von: S. Chenna Krishna, G. Sudarsana Rao, Abhay K. Jha, Bhanu Pant, Koshy M. George

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 6/2015

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Abstract

In the present investigation, mechanical properties and microstructure of the Cu-Cr-Zr-Ti alloy were characterized by tensile testing, hardness measurement, and transmission electron microscopy (TEM) in different heat treatment conditions. TEM studies confirmed the presence of four phases in the solution-treated condition namely: copper matrix, spherical chromium-rich, TiS₂, and ZrS₂ particles. Aging in the temperature range of 400-600 °C has led to significant change in strength. Samples aged at 500 °C for 2 h showed maximum ultimate tensile strength and yield strength of 330 and 212 MPa, respectively, with ductility of 23%. The phase responsible for high strength after aging at 500 °C was identified as fine bcc chromium precipitates with average size of 3.0 ± 1.0 nm.

Vorheriger Artikel On the Stacking Fault Energy Evaluation and Deformation Mechanism of Sanicro-28 Super-Austenitic Stainless Steel

Nächster Artikel Mechanical Property of Pure Magnesium: From Orientation Perspective Pertaining to Deviation from Basal Orientation

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Titel: Analysis of Phases and Their Role in Strengthening of Cu-Cr-Zr-Ti Alloy
verfasst von: S. Chenna Krishna
G. Sudarsana Rao
Abhay K. Jha
Bhanu Pant
Koshy M. George
Publikationsdatum: 01.06.2015
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 6/2015
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-015-1516-z

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