Shape deformation and texture development of consolidated Ca α-SiAlON ceramics prepared by hot-forging

Guanghua Liu; Kexin Chen; Heping Zhou; Haibo Jin; C. Pereira; J. M.F. Ferreira

doi:10.1016/j.materresbull.2007.02.035

Shape deformation and texture development of consolidated Ca α-SiAlON ceramics prepared by hot-forging

Guanghua Liu, Kexin Chen^*, Heping Zhou, Haibo Jin, C. Pereira, J. M.F. Ferreira

^*Corresponding author for this work

School of Material Science and Engineering

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

8 Citations (Scopus)

Abstract

Consolidated Ca α-SiAlON ceramics with gradually varying microstructure and property was prepared by hot-forging. The shape deformation as well as texture development of the sample during forging was studied in detail. It was found that the forging process promoted the growth of elongated α-SiAlON grains and enhanced their preferred orientation with the longitude perpendicular to the pressing force. The strong texture offered the hot-forged sample an increased fracture toughness of 7.9 MPa m^1/2, which was primarily attributed to the pull-out and debonding behaviors of elongated grains.

Original language	English
Pages (from-to)	425-430
Number of pages	6
Journal	Materials Research Bulletin
Volume	43
Issue number	2
DOIs	https://doi.org/10.1016/j.materresbull.2007.02.035
Publication status	Published - 5 Feb 2008

Keywords

A. Ceramics
D. Mechanical properties
D. Microstructure

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10.1016/j.materresbull.2007.02.035

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abstract = "Consolidated Ca α-SiAlON ceramics with gradually varying microstructure and property was prepared by hot-forging. The shape deformation as well as texture development of the sample during forging was studied in detail. It was found that the forging process promoted the growth of elongated α-SiAlON grains and enhanced their preferred orientation with the longitude perpendicular to the pressing force. The strong texture offered the hot-forged sample an increased fracture toughness of 7.9 MPa m1/2, which was primarily attributed to the pull-out and debonding behaviors of elongated grains.",

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AU - Liu, Guanghua

AU - Chen, Kexin

AU - Zhou, Heping

AU - Jin, Haibo

AU - Pereira, C.

AU - Ferreira, J. M.F.

PY - 2008/2/5

Y1 - 2008/2/5

N2 - Consolidated Ca α-SiAlON ceramics with gradually varying microstructure and property was prepared by hot-forging. The shape deformation as well as texture development of the sample during forging was studied in detail. It was found that the forging process promoted the growth of elongated α-SiAlON grains and enhanced their preferred orientation with the longitude perpendicular to the pressing force. The strong texture offered the hot-forged sample an increased fracture toughness of 7.9 MPa m1/2, which was primarily attributed to the pull-out and debonding behaviors of elongated grains.

AB - Consolidated Ca α-SiAlON ceramics with gradually varying microstructure and property was prepared by hot-forging. The shape deformation as well as texture development of the sample during forging was studied in detail. It was found that the forging process promoted the growth of elongated α-SiAlON grains and enhanced their preferred orientation with the longitude perpendicular to the pressing force. The strong texture offered the hot-forged sample an increased fracture toughness of 7.9 MPa m1/2, which was primarily attributed to the pull-out and debonding behaviors of elongated grains.

KW - A. Ceramics

KW - D. Mechanical properties

KW - D. Microstructure

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DO - 10.1016/j.materresbull.2007.02.035

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VL - 43

SP - 425

EP - 430

JO - Materials Research Bulletin

JF - Materials Research Bulletin

IS - 2

ER -

Shape deformation and texture development of consolidated Ca α-SiAlON ceramics prepared by hot-forging

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Keywords

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