Mechanical properties and deformation behavior of superhard lightweight nanocrystalline ceramics

B Jeong, S Lahkar, Q An, KM Reddy - Nanomaterials, 2022 - mdpi.com
Lightweight polycrystalline ceramics possess promising physical, chemical, and mechanical
properties, which can be used in a variety of important structural applications. However …

Preparation of dense B4C ceramics by spark plasma sintering of high-purity nanoparticles

P Li, M Ma, Y Wu, X Zhang, Y Chang, Z Zhuge… - Journal of the European …, 2021 - Elsevier
Boron carbide (B 4 C) is an important structural ceramic material, however, the use of this
material is limited by its poor sinterability and low fracture toughness. Nano-sized powders …

Fabricating toughened super-hard B4C composites at lower temperature by transient liquid-phase assisted spark plasma sintering with MoSi2 additives

C Ojalvo, F Guiberteau, AL Ortiz - Journal of the European Ceramic Society, 2019 - Elsevier
Toughened, super-hard B 4 C triplex-particulate composites were densified by spark plasma
sintering with MoSi 2 additives (5, 10, and 15 vol.%) at temperatures in the range 1750 …

Transient liquid-phase assisted spark-plasma sintering and dry sliding wear of B4C ceramics fabricated from B4C nanopowders

C Ojalvo, V Zamora, R Moreno, F Guiberteau… - Journal of the European …, 2021 - Elsevier
With the motivation of develo** B 4 C composites with superior wear resistance for
tribological applications, an ultrafine-grained (∼ 200− 300 nm) B 4 C composite was …

Highly sliding-wear resistant B4C composites fabricated by spark-plasma sintering with Ti–Al additives

AL Ortiz, CA Galan, O Borrero-Lopez, F Guiberteau - Scripta Materialia, 2020 - Elsevier
The lubricated sliding-wear resistance of a fine-grained B 4 C composite fabricated by
transient liquid-phase assisted spark-plasma sintering with Ti–Al additives at smooth …

Twins enhanced mechanical properties of boron carbide

K Ye, Z Wang - Ceramics International, 2022 - Elsevier
Abstract Boron carbide (B 4 C), an important structural ceramic with low toughness, is
regarded as a potential bulletproof material for personnel and vehicles. Introducing twins …

Effect of the degree of densification on the unlubricated sliding-wear behaviour of monolithic B4C ceramics

F Rodríguez-Rojas, V Zamora, F Guiberteau… - Tribology …, 2023 - Elsevier
The unlubricated sliding-wear behaviour of monolithic B 4 C ceramics with densification
degree from∼ 62% up to∼ 99.1%, and therefore hardness from∼ 7.9 GPa up to∼ 35.3 …

Improving the dry sliding-wear resistance of B4C ceramics by transient liquid-phase sintering

C Ojalvo, E Sánchez-González, F Guiberteau… - Journal of the European …, 2020 - Elsevier
A critical comparison is made between the dry sliding-wear resistance of a B 4 C composite
fabricated by transient liquid-phase sintering with Ti-Al intermetallic additive and two …

Densification mechanism during reactive hot pressing of B4C-ZrO2 mixtures

Y **ong, X Du, M **ang, H Wang, W Wang… - Journal of the European …, 2018 - Elsevier
The densification behaviors of pure B 4 C and B 4 C-ZrO 2 mixtures were compared during
hot pressing. The results showed that in-situ formed ZrB 2 effectively enhanced the …

Fabricating exotic boron carbide ceramics by shaker milling and reactive spark plasma sintering of B and C: Application to the elusive B6C

FJ Martínez-Vázquez, BM Moshtaghioun… - Ceramics …, 2024 - Elsevier
A route based on the shaker milling of B and C powders followed by reactive spark plasma
sintering (SPS) of the resulting B+ C powder mixture is presented for the fabrication of exotic …