The effect of titanate nanotube/Y2W3O12 hybrid fillers on mechanical and thermal properties of HDPE-based composites

Pontón, Patricia I.; Yamada, Katia; Guamán, Marco V.; Johnson, Michel B.; White, Mary Anne; Pandoli, Omar; Costa, Antonio Mario Leal Martins; Marinković, Bojan A.

doi:10.1016/j.mtcomm.2018.11.014

Cited by 10 publications

(18 citation statements)

References 51 publications

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“…The computation of the volume fractions of TTNT and Y 2 W 3 O 12 (ϕf1 and ϕf2 , respectively) for the application of these models is presented in reference [1]. The mechanical and thermal properties of TTNT are assumed to be equal to those values of similar titania-based materials, as a first approximation, since they are not reported in the literature.…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

“…12 and Eq. 13.aValue measured by dilatometry in the temperature range of 30–70 °C and during the second heating cycle [1].bCTE of TTNT is unavailable in the literature. Therefore, corresponding value of TiO 2 was assumed.cBulk modulus of hydrothermally synthesized TTNT is not reported in the literature.…”

Section: Datamentioning

confidence: 99%

“…aValue measured by dilatometry in the temperature range of 30–70 °C and during the second heating cycle [1].…”

Section: Datamentioning

confidence: 99%

“…Related research article These data are related to our recent research article entitled “The effect of titanate nanotube/Y 2 W 3 O 12 hybrid fillers on mechanical and thermal properties of HDPE-based composites” (Pontón et al. , 2019 [1] ) …”

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confidence: 99%

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Data supporting micromechanical models for the estimation of Young's modulus and coefficient of thermal expansion of titanate nanotube/Y2W3O12/HDPE ternary composites

et al. 2019

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This article presents several micromechanical models to predict the Young's modulus and the coefficient of thermal expansion of titanate nanotube/Y 2 W 3 O 12 /HDPE composites. The equations and assumptions of the selected micromechanical models are described in detail for this ternary system. Data of the elastic constants, coefficient of thermal expansion of composite components and other associated parameters, obtained either by literature survey or processing of literature information, are compiled in this work. For further interpretation of the data presented in this article, please see our research article entitled “The effect of titanate nanotube/Y 2 W 3 O 12 hybrid fillers on mechanical and thermal properties of HDPE-based composites” (Pontón et al., 2019).

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Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Section: Datamentioning

confidence: 99%

“…aValue measured by dilatometry in the temperature range of 30–70 °C and during the second heating cycle [1].…”

Section: Datamentioning

confidence: 99%

mentioning

confidence: 99%

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Data supporting micromechanical models for the estimation of Young's modulus and coefficient of thermal expansion of titanate nanotube/Y2W3O12/HDPE ternary composites

et al. 2019

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“…In the past decade, the development of composites exhibiting controlled and reduced thermal expansion has triggered considerable research in several different areas (Lind, 2012;Sharma et al, 2012;Pontón et al, 2019a;Pontón et al, 2019b). A number of different ceramic fillers, including A 2 M 3 O 12 and related families, have been used with the goal of counteracting the (usual) positive thermal expansion of ceramic, metal and polymer matrices.…”

Section: Issues With Compositesmentioning

confidence: 99%

Negative and Near-Zero Thermal Expansion in A2M3O12 and Related Ceramic Families: A Review

et al. 2021

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This review presents the history of materials in the A2M3O12 and related ceramic families, including their unusual thermal expansion and the present understanding of its mechanism, and related factors such as hydroscopicity and the monoclinic to orthorhombic phase transition. Other properties, including thermomechanical, thermal and ionic conduction and optical properties, are presented in terms of current knowledge, challenges and opportunities for applications. One of the largest challenges is the production of monoliths, and various methods for consolidation and sintering are summarized. These ceramics have considerable promise when combined with other materials, and recent advances in such composites are presented. These matters are placed in the context of the potential applications of negative and near-zero thermal expansion ceramics, which still present challenges for future materials researchers.

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Self‐Assembled Composite Cathodes with TEC Gradient for Proton‐Conducting Solid Oxide Fuel Cells

Gao,

Fu,

Zhao

et al. 2024

Adv Funct Materials

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One of the key challenges for high‐performance proton‐conducting solid oxide fuel cells (H‐SOFCs) is the mismatch in thermal expansion coefficients (TEC) between the cathode and electrolyte. While incorporating negative thermal expansion (NTE) materials can mitigate this issue, mechanical mixing often weakens cathode strength. To address this, a TEC gradient cathode is proposed and successfully implemented by co‐sintering PrBa(Co0.7Fe0.3)2O5‐δ(PBCF) with Y2W3O12 (YWO) in this work. In this work, Ba atoms at the A‐site of PBCF migrated from the lattice, generating A‐site defects. The resulting BaWO4 and Y10W8O21 phases, which have low TEC, are uniformly distributed between PBCF and YWO, forming a TEC gradient composite cathode. In addition, the transition phase captures the A‐site element Ba in the electrolyte layer, optimizing the electrolyte‐cathode interface. The composite cathode exhibits a reduced TEC, closely matching that of the electrolyte, significantly enhancing interface bonding, thereby providing a lower ohmic resistance of 0.051 Ω cm2 and a higher power density of 1.88 W cm−2 at 700 °C. Remarkably, thermal cycling tests conducted under temperature switching conditions demonstrate the composite cathode's long‐term thermal and chemical stability.

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The effect of titanate nanotube/Y2W3O12 hybrid fillers on mechanical and thermal properties of HDPE-based composites

Cited by 10 publications

References 51 publications

Data supporting micromechanical models for the estimation of Young's modulus and coefficient of thermal expansion of titanate nanotube/Y2W3O12/HDPE ternary composites

Data supporting micromechanical models for the estimation of Young's modulus and coefficient of thermal expansion of titanate nanotube/Y2W3O12/HDPE ternary composites

Negative and Near-Zero Thermal Expansion in A2M3O12 and Related Ceramic Families: A Review

Self‐Assembled Composite Cathodes with TEC Gradient for Proton‐Conducting Solid Oxide Fuel Cells

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