High-temperature elastic properties of in situ-reinforced Si3N4

被引：12

作者：

Swift, GA

Üstündag, E ^{[1
]}

Clausen, B

Bourke, MAM

Lin, HT

机构：

[1] CALTECH, Dept Mat Sci, Pasadena, CA 91125 USA

[2] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA

[3] Oak Ridge Natl Lab, Div Met & Ceram, Oak Ridge, TN 37831 USA

来源：

APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 07期

关键词：

D O I：

10.1063/1.1554478

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A high-temperature tensile stress study of a monolithic silicon nitride (Si3N4) was performed with time-of-flight neutron diffraction. A dedicated engineering diffractometer was employed at temperatures reaching 1375 degreesC. Rietveld refinements of diffraction spectra allowed the determination of (1) the coefficient of thermal expansion tensor during heating and (2) lattice strains during loading. The stress-strain response of individual lattice reflections was used to calculate the single-crystal elastic stiffness tensor of Si3N4 at 1375 degreesC via a self-consistent model. (C) 2003 American Institute of Physics.

引用

页码：1039 / 1041

页数：3

共 17 条

[1]

Bourke M.A.M., 2002, APPL PHYS, V75, P1

[2] Self-consistent modelling of the plastic deformation of FCC polycrystals and its implications for diffraction measurements of internal stresses [J].

Clausen, B ;

Lorentzen, T ;

Leffers, T .

ACTA MATERIALIA, 1998, 46 (09) :3087-3098

[3] Lattice strain evolution during uniaxial tensile loading of stainless steel [J].

Clausen, B ;

Lorentzen, T ;

Bourke, MAM ;

Daymond, MR .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1999, 259 (01) :17-24

[4] Elastic phase-strain distribution in a particulate-reinforced metal-matrix composite deforming by slip or creep [J].

Daymond, MR ;

Lund, C ;

Bourke, MAM ;

Dunand, DC .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1999, 30 (11) :2989-2997

[5] TENSILE CREEP IN AN IN-SITU REINFORCED SILICON-NITRIDE [J].

GASDASKA, CJ .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1994, 77 (09) :2408-2418

[6] Intergranular strains in Inconel-600 [J].

Holden, TM ;

Holt, RA ;

Tomé, CN .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2000, 282 (1-2) :131-136

[7] THE PRECISION OF THERMAL-EXPANSION TENSORS OF TRICLINIC AND MONOCLINIC CRYSTALS [J].

JESSEN, SM ;

KUPPERS, H .

JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1991, 24 :239-242

[8]

LARSON AC, 1986, 86748 LAUR

[9] Microstructure and tensile creep mechanisms of an in situ reinforced silicon nitride [J].

Li, CW ;

Reidinger, F .

ACTA MATERIALIA, 1997, 45 (01) :407-421

[10]

Lin HT, 2001, CERAM ENG SCI PROC, V22, P175

← 1 2 →