Ti(C,N)-Fe15Ni10Cr cermets as alternative hard materials: Influence of the processing route and composition on their microstructure and properties

Nicolás, M. de; Besharatloo, Hossein; Pereira, L.; Müller-Grunz, Andrea; Bertalan, Claudio; Useldinger, Ralph; Llanes, L.; Gordo, E.

doi:10.1016/j.ceramint.2021.05.045

Cited by 11 publications

(5 citation statements)

References 61 publications

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“…Regarding the microstructure of the processed hard material, C addition did not lead to significant variations of either the key parametersphase amount, carbide diameter or mean free pathor physical and mechanical properties, as evidenced in a previous investigation by the authors of this study [52].…”

Section: Ti(cn)-fenicrsupporting

confidence: 84%

High-temperature wettability in hard materials: Comparison of systems with different binder/carbide phases and evaluation of C addition

Nicolás-Morillas

Llanes

Gordo

2023

International Journal of Refractory Metals and Hard Materials

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Section: Ti(cn)-fenicrsupporting

confidence: 84%

High-temperature wettability in hard materials: Comparison of systems with different binder/carbide phases and evaluation of C addition

Nicolás-Morillas

Llanes

Gordo

2023

International Journal of Refractory Metals and Hard Materials

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Section: Resultsmentioning

confidence: 99%

“…The rule of mixture is a predictive model that estimates the overall mechanical properties of a composite material by considering the properties of its constituent materials and their respective volume fractions (determined through XRD Analysis). To gain more accurate and detailed information about the mechanical properties of the studied samples, further investigation employing techniques such as nanoindentation mapping is necessary [44,45]. The fracture toughness values of the sintered composites are higher compared to the values of binderless WC and W 2 C single phase reported in the literature, this can be explained by the presence of the small content of Ni dispersed homogeneously into the microstructure, where Ni is directly proportional to fracture toughness [42].…”

Section: Mechanical Characterisation Of Sintered Samplesmentioning

confidence: 99%

Microstructural and Mechanical Characterization of Colloidal Processed WC/(W5Vol%Ni) via Spark Plasma Sintering

Zegai,

Besharatloo,

Ortega

et al. 2023

Materials

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This study investigates the sintering behaviour and properties of WC-based composites in which WC was mixed with W5vol%Ni in concentrations of 10vol% and 20vol%. Colloidal processing in water and spark plasma sintering were employed to disperse the WC particles and facilitate sintering. The addition of W5vol%Ni improved the sintering process, as evident from a lower onset temperature of shrinkage determined through dilatometric studies. All samples exhibited the formation of tungsten monocarbide (W2C), with a more pronounced presence in the WC/20(W5vol%Ni) composite. Sintering reached its maximum rate at 1550 °C and was completed at 1600 °C, resulting in a final density exceeding 99.8%. X-ray diffraction analysis confirmed the detection of WC and W2C phases after sintering. The observed WC content was higher than expected, which may be attributed to carbon diffusion during the process. Macro-scale mechanical characterisations revealed that the WC/10(W5vol%Ni) composite exhibited a hardness of 18.9 GPa, while the WC/20(W5vol%Ni) composite demonstrated a hardness of 18.3 GPa. Increasing the W5vol%Ni binder content caused a decrease in mechanical properties due to the formation of W2C phases. This study provides valuable insights into the sintering behavior and properties of WC/W5vol%Ni composites, offering potential applications in extreme environments.

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“…Ti(C,N)-based cermets with Ni-Al and Fe-Al intermetallics (Ni 3 Al, NiAl, FeAl, etc.) as the binder phase have received wide attention recently [47,48]. These intermetallics are able to maintain strength and stiffness at high temperatures.…”

Section: Ti(cn)-based Cermets With Intermetallic Compounds As the Bindermentioning

confidence: 99%

A Review of Research Progress on Ti(C,N)-Based Cermet Binder by Intermetallic Compounds and High-Entropy Alloys

Wang,

Bai,

Wang

et al. 2024

Materials

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Ti(C,N)-based cermet is a kind of composite material composed of a metal binder phase and a Ti(C,N)-hard phase, which is widely used in the fields of cutting machining and wear-resistant parts due to its high hardness, good toughness, wear resistance, and chemical stability. In recent years, the research on the replacement of traditional Ni, Co, and Fe binder phases by novel binder phases such as intermetallic compounds and high-entropy alloys has made remarkable progress, which significantly improves the mechanical properties, wear resistance, corrosion resistance, and high-temperature oxidation resistance of Ti(C,N)-based cermets. This paper reviews the latest research results, summarizes the mechanism of the new binder to improve the performance of metal–ceramics, and looks forward to the future research directions.

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Ti(C,N)-Fe15Ni10Cr cermets as alternative hard materials: Influence of the processing route and composition on their microstructure and properties

Cited by 11 publications

References 61 publications

High-temperature wettability in hard materials: Comparison of systems with different binder/carbide phases and evaluation of C addition

High-temperature wettability in hard materials: Comparison of systems with different binder/carbide phases and evaluation of C addition

Microstructural and Mechanical Characterization of Colloidal Processed WC/(W5Vol%Ni) via Spark Plasma Sintering

A Review of Research Progress on Ti(C,N)-Based Cermet Binder by Intermetallic Compounds and High-Entropy Alloys

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