Erosion in a Melt-Infiltrated SiC/SiC Ceramic Matrix Composite

被引：11

作者：

Presby, M. J. ^{[1
,2
]}

Gong, C. ^{[1
]}

Kane, S. ^{[1
]}

Kedir, N. ^{[1
,3
]}

Stanley, A. ^{[1
]}

Faucett, D. C. ^{[1
]}

Choi, S. R. ^{[1
]}

机构：

[1] Naval Air Syst Command, Patuxent River, MD 20670 USA

[2] Univ Akron, Dept Mech Engn, Akron, OH 44325 USA

[3] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA

来源：

JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 2020年 / 142卷 / 04期

关键词：

erosion; erosion damage; MI SiC; SiC; SiC CMCs; ceramic matrix composite (CMC); gas-turbine grade CMCs; erosion mechanism; erosion model; STRENGTH DEGRADATION; DAMAGE; GLASS;

D O I：

10.1115/1.4044900

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Erosion phenomenon of ceramic matrix composites (CMCs), attributed to their unique architectural configurations, is markedly different from conventional monolithic ceramic counterparts. Prior to further integration of CMCs into hot-section components of aeroengines subject to erosive environments, their erosion behavior needs to be characterized, analyzed, and formulated. The erosion behavior of a 2D woven melt-infiltrated (MI) SiC/SiC CMC was assessed in this work as a function of variables such as particle velocity and size. The erosion damage was characterized using appropriate analytical tools such as optical and scanning electron microscopy (SEM). A phenomenological erosion model was developed for SiC/SiC CMC material systems with respect to the kinetic energy of impacting particles in conjunction with nominal density, matrix hardness, and elastic modulus of the SiC/SiC CMCs. The model was in reasonable agreement with the experimental data.

引用

页数：9

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