Recent articles

Room-Temperature Mechanochemical Synthesis and Consolidation of Nanocrystalline HfB₂-HfO₂ Composite Powders

N. Akçamlı, D. Ağaoğulları, Ö. Balcı, M. L. Öveçoğlu, İ. Duman

received November 4, 2017, received in revised form January 7, 2018, accepted February 12, 2018

Vol. 9, No. 2, Pages 101-118   DOI: 10.4416/JCST2017-00084

Keywords: HfB₂-HfO₂ composites, powders, solid state reaction, sintering, microstructure-final, mechanical properties

Abstract  |  References  |  Full Article (PDF)

High-Temperature Measurements of Macroscopic Deformation Induced by Phase Changes: Application to Bauxite-Based Material

A. Coulon, E. de Bilbao, S. Brassamin, J. Poirier

received November 6, 2017, received in revised form January 3, 2018, accepted January 22, 2018

Vol. 9, No. 2, Pages 119-126   DOI: 10.4416/JCST2017-00085

Keywords: Refractory materials, contactless measurement, deformation, high temperature, phase transformation

Abstract  |  References  |  Full Article (PDF)

Alkali-Activated Materials Based on Callovo-Oxfordian Argillite: Formation, Structure and Mechanical Properties

C. Dupuy, A. Gharzouni, N. Texier-Mandoki, X. Bourbon, S. Rossignol

received November 9, 2017, received in revised form December 21, 2017, accepted February 24, 2018

Vol. 9, No. 2, Pages 127-140   DOI: 10.4416/JCST2017-00086

Keywords: Callovo-Oxfordian, argillite, alkali-activated, heat treatment, carbonate, calcium

Abstract  |  References  |  Full Article (PDF)

Effect of Submicron-Carbon-Containing MgO-C Refractories on Carbon Pickup of Ultra-Low Carbon Steel

Y. Liu, L. Wang, G. Li, Z. Zhang, X. Xu, J. Chen

received October 30, 2017, received in revised form December 19, 2017, accepted January 29, 2018

Vol. 9, No. 2, Pages 141-148   DOI: 10.4416/JCST2017-00087

Keywords: Submicron carbon, MgO-C refractories, carbon pickup, penetration, spalling resistance

Abstract  |  References  |  Full Article (PDF)

Electrical and Dielectric Properties of Isostatically Pressed Alumina-Based Electroporcelain

V. Trnovcová, M. Kubliha, I. Štubňa, Š. Csáki

received November 15, 2017, received in revised form January 03, 2018, accepted February 07, 2018

Vol. 9, No. 2, Pages 149-154   DOI: 10.4416/JCST2017-00089

Keywords: Electrical conductivity, dielectric properties, alumina-based electroporcelain, cold isostatic pressing

Abstract  |  References  |  Full Article (PDF)

Enhanced Electrochemical Performance of Cu-Doped La₂NiO_4+δ Cathode for Solid Oxide Fuel Cells

H. Chen, X. Li, X. Du, H. Xie, L. Zhao, Y. Ling

received November 15, 2017, received in revised form December 21, 2017, accepted January 10, 2018

Vol. 9, No. 2, Pages 155-162   DOI: 10.4416/JCST2017-0090

Keywords: Ruddlesden-Popper-type oxide, interstitial oxygen, interface polarization resistance, chromium-tolerant cathode

Abstract  |  References  |  Full Article (PDF)

Effect of Multiple loading sequence on in-phase thermomechanical fatigue hysteresis of silicon carbide fiber-reinforced ceramic-matrix composites

L. Li

received November 27, 2017, received in revised form December 28, 2017, accepted January 29, 2018

Vol. 9, No. 2, Pages 163-174   DOI: 10.4416/JCST2017-00095

Keywords: Ceramic-matrix composites (CMCs), thermomechanical fatigue, hysteresis loops, multiple loading sequence

Abstract  |  References  |  Full Article (PDF)

Enhanced Magneto-Dielectric Properties of 0.6La_0.1Bi_0.9FeO₃- 0.4BaTiO₃/NiFe₂O₄ Composites Sintered with Powders Prepared with a One-Step Sol-Gel In-Situ Method

L. He, J. H. Wang, Z. T. Zhong, C. Zhang

received November 30, 2017, received in revised form January 14, 2018, accepted February 8, 2018

Vol. 9, No. 2, Pages 175-182   DOI: 10.4416/JCST2017-00096

Keywords: Ceramic composites, sol-gel in-situ method, magnetic-dielectric properties

Abstract  |  References  |  Full Article (PDF)

Three-Dimensional Network ZnO/BaFe₁₂O₁₉ Composite Thick Films and their Microwave Absorption Properties

Y. Lin, J. Dong, Y. Liu, N. Han, L. Wang, H. Yang, J. Wang

received December 12, 2017, received in revised form February 2, 2018, accepted March 4, 2018

Vol. 9, No. 2, Pages 183-192   DOI: 10.4416/JCST2017-00097

Keywords: Tape casting, impedance matching, microwave absorption

Abstract  |  References  |  Full Article (PDF)

Insulating Foams and Dense Geopolymers from Biochar By-Products

R. Farges, A. Gharzouni, B. Ravier, P. Jeulin, S. Rossignol

received December 22, 2017, received in revised form February 28, 2018, accepted March 12, 2018

Vol. 9, No. 2, Pages 193-200   DOI: 10.4416/JCST2017-00098

Keywords: Biochar, FTIR, geopolymer, foams, thermal conductivity

Abstract  |  References  |  Full Article (PDF)

Tunable Temperature Range of Stress-Enhanced Electrocaloric Effects in Composition Gradient Bilayers

X. Sun, H. Huang, X. Ma, Y. Wen, Z.-M. Dang

received January 3, 2018, received in revised form Febuary 21, 2018, accepted March 12, 2018

Vol. 9, No. 2, Pages 201-208   DOI: 10.4416/JCST2018-00002

Keywords: Keywords: Electrocaloric effect, ferroelectric gradient bilayers, thermodynamic calculation, tunable temperature range.

Abstract  |  References  |  Full Article (PDF)

Room-Temperature Structural and Dielectric Properties of Praseodymium-Doped SrBi₂Nb₂O₉ Ceramics

M. Afqir, A. Tachafine, D. Fasquelle, M. Elaatmani, J.-C. Carru, A. Zegzouti

received January 21, 2018, received in revised form February 22, 2018, accepted March 9, 2018

Vol. 9, No. 2, Pages 209-214   DOI: 10.4416/JCST2018-00004

Keywords: SrBi₂Nb₂O₉, Pr³⁺/Pr⁴⁺, crystal structure, dielectrics

Abstract  |  References  |  Full Article (PDF)