Austenite stability in cemented carbides with steel-based binder : The effect of binder fraction
(2026) In International Journal of Refractory Metals and Hard Materials 138.- Abstract
Enhancing the transformation-induced plasticity effect in steel-based binders through deformation-induced martensitic transformation requires careful control of the austenite stability. This study investigated the effect of binder fraction on the thermal stability of austenite in the WC-(Fe,Ni) system with different binder contents within the WC + binder + graphite equilibrium region. Binder martensite fractions and carbon content across different binder fractions were compared using electron microscopy. Thermodynamic-based calculations, accounting for variation in binder carbon content, provided a baseline for distinguishing the roles of the binder fraction and chemical composition on the thermal stability of the austenitic binder.... (More)
Enhancing the transformation-induced plasticity effect in steel-based binders through deformation-induced martensitic transformation requires careful control of the austenite stability. This study investigated the effect of binder fraction on the thermal stability of austenite in the WC-(Fe,Ni) system with different binder contents within the WC + binder + graphite equilibrium region. Binder martensite fractions and carbon content across different binder fractions were compared using electron microscopy. Thermodynamic-based calculations, accounting for variation in binder carbon content, provided a baseline for distinguishing the roles of the binder fraction and chemical composition on the thermal stability of the austenitic binder. Samples with lower binder fractions and comparable binder carbon content revealed relatively similar martensite fractions, whereas the one with the highest binder fraction and the lowest carbon content exhibited the highest value. The predicted martensite fractions were comparable and in good agreement with the measured values for lower binder fractions.
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- author
- Mohammadpour Kasehgari, Saba ; Toller-Nordström, Lisa ; Sten, Stella ; Borgh, Ida ; Norgren, Susanne LU and Borgenstam, Annika
- organization
- publishing date
- 2026-08
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Austenite stability, Carbon content, Cemented carbides, Martensitic transformation, Steel-based binders, TRIP effect
- in
- International Journal of Refractory Metals and Hard Materials
- volume
- 138
- article number
- 107768
- publisher
- Elsevier
- external identifiers
-
- scopus:105034270623
- ISSN
- 0263-4368
- DOI
- 10.1016/j.ijrmhm.2026.107768
- language
- English
- LU publication?
- yes
- id
- 5a231500-1c19-4e42-b5dc-81f13eac1805
- date added to LUP
- 2026-05-11 15:28:17
- date last changed
- 2026-05-11 15:29:33
@article{5a231500-1c19-4e42-b5dc-81f13eac1805,
abstract = {{<p>Enhancing the transformation-induced plasticity effect in steel-based binders through deformation-induced martensitic transformation requires careful control of the austenite stability. This study investigated the effect of binder fraction on the thermal stability of austenite in the WC-(Fe,Ni) system with different binder contents within the WC + binder + graphite equilibrium region. Binder martensite fractions and carbon content across different binder fractions were compared using electron microscopy. Thermodynamic-based calculations, accounting for variation in binder carbon content, provided a baseline for distinguishing the roles of the binder fraction and chemical composition on the thermal stability of the austenitic binder. Samples with lower binder fractions and comparable binder carbon content revealed relatively similar martensite fractions, whereas the one with the highest binder fraction and the lowest carbon content exhibited the highest value. The predicted martensite fractions were comparable and in good agreement with the measured values for lower binder fractions.</p>}},
author = {{Mohammadpour Kasehgari, Saba and Toller-Nordström, Lisa and Sten, Stella and Borgh, Ida and Norgren, Susanne and Borgenstam, Annika}},
issn = {{0263-4368}},
keywords = {{Austenite stability; Carbon content; Cemented carbides; Martensitic transformation; Steel-based binders; TRIP effect}},
language = {{eng}},
publisher = {{Elsevier}},
series = {{International Journal of Refractory Metals and Hard Materials}},
title = {{Austenite stability in cemented carbides with steel-based binder : The effect of binder fraction}},
url = {{http://dx.doi.org/10.1016/j.ijrmhm.2026.107768}},
doi = {{10.1016/j.ijrmhm.2026.107768}},
volume = {{138}},
year = {{2026}},
}