Densification and grain growth during microwave sintering of titanium diboride

D. Demirskyi; J. Cheng; D. Agrawal; A. Ragulya

doi:10.1016/j.scriptamat.2013.07.012

Densification and grain growth during microwave sintering of titanium diboride

D. Demirskyi, J. Cheng, D. Agrawal, A. Ragulya

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

48 Scopus citations

Abstract

Dense TiB₂ ceramics have been produced by microwave sintering at 1600-1700 C under a controlled atmosphere. The effect of sintering conditions on the densification, microstructure and mechanical properties were investigated. Microwave sintering resulted in a uniform crack-free uniform microstructure; a density of 98.5%, a bending strength of 410 ± 15 MPa, a Young's modulus of 495 ± 10 GPa, an electrical resistivity of 1 × 10^-5 Ω cm, a Vickers hardness of 24.5 ± 0.5 GPa and a fracture toughness of 5.42 ± 0.20 MPa m^1/2 were obtained after sintering for 30 min at 1700 C.

Original language	English (US)
Pages (from-to)	610-613
Number of pages	4
Journal	Scripta Materialia
Volume	69
Issue number	8
DOIs	https://doi.org/10.1016/j.scriptamat.2013.07.012
State	Published - Oct 2013

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2013.07.012

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title = "Densification and grain growth during microwave sintering of titanium diboride",

abstract = "Dense TiB2 ceramics have been produced by microwave sintering at 1600-1700 C under a controlled atmosphere. The effect of sintering conditions on the densification, microstructure and mechanical properties were investigated. Microwave sintering resulted in a uniform crack-free uniform microstructure; a density of 98.5%, a bending strength of 410 ± 15 MPa, a Young's modulus of 495 ± 10 GPa, an electrical resistivity of 1 × 10-5 Ω cm, a Vickers hardness of 24.5 ± 0.5 GPa and a fracture toughness of 5.42 ± 0.20 MPa m1/2 were obtained after sintering for 30 min at 1700 C.",

author = "D. Demirskyi and J. Cheng and D. Agrawal and A. Ragulya",

note = "Funding Information: One of the authors (D.D.) was supported by grant nos. 67/H12 “Sintering kinetics of nanocrystalline ceramics in the external electric and microwave fields” and III-2012 (Ц) “Development of nanocomposites in Ti–Zr–Al–B–N system using field-assisted sintering”.",

year = "2013",

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doi = "10.1016/j.scriptamat.2013.07.012",

language = "English (US)",

volume = "69",

pages = "610--613",

journal = "Scripta Materialia",

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T1 - Densification and grain growth during microwave sintering of titanium diboride

AU - Demirskyi, D.

AU - Cheng, J.

AU - Agrawal, D.

AU - Ragulya, A.

N1 - Funding Information: One of the authors (D.D.) was supported by grant nos. 67/H12 “Sintering kinetics of nanocrystalline ceramics in the external electric and microwave fields” and III-2012 (Ц) “Development of nanocomposites in Ti–Zr–Al–B–N system using field-assisted sintering”.

PY - 2013/10

Y1 - 2013/10

N2 - Dense TiB2 ceramics have been produced by microwave sintering at 1600-1700 C under a controlled atmosphere. The effect of sintering conditions on the densification, microstructure and mechanical properties were investigated. Microwave sintering resulted in a uniform crack-free uniform microstructure; a density of 98.5%, a bending strength of 410 ± 15 MPa, a Young's modulus of 495 ± 10 GPa, an electrical resistivity of 1 × 10-5 Ω cm, a Vickers hardness of 24.5 ± 0.5 GPa and a fracture toughness of 5.42 ± 0.20 MPa m1/2 were obtained after sintering for 30 min at 1700 C.

AB - Dense TiB2 ceramics have been produced by microwave sintering at 1600-1700 C under a controlled atmosphere. The effect of sintering conditions on the densification, microstructure and mechanical properties were investigated. Microwave sintering resulted in a uniform crack-free uniform microstructure; a density of 98.5%, a bending strength of 410 ± 15 MPa, a Young's modulus of 495 ± 10 GPa, an electrical resistivity of 1 × 10-5 Ω cm, a Vickers hardness of 24.5 ± 0.5 GPa and a fracture toughness of 5.42 ± 0.20 MPa m1/2 were obtained after sintering for 30 min at 1700 C.

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DO - 10.1016/j.scriptamat.2013.07.012

M3 - Article

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SN - 1359-6462

VL - 69

SP - 610

EP - 613

JO - Scripta Materialia

JF - Scripta Materialia

IS - 8

ER -

Densification and grain growth during microwave sintering of titanium diboride

Abstract

All Science Journal Classification (ASJC) codes

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