SiC/SiCwoven fabric laminates: Design, manufacturing, mechanical properties

Nina Orlovskaya; Mykola Lugovy; Frank Ko; Sergey Yarmolenko; Jagannathan Sankar; Jakob Kuebler

doi:10.1016/j.compositesb.2006.02.022

SiC/SiCwoven fabric laminates: Design, manufacturing, mechanical properties

Nina Orlovskaya
, Mykola Lugovy
, Frank Ko
, Sergey Yarmolenko
, Jagannathan Sankar
, Jakob Kuebler

Mechanical Engineering

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

12 Scopus citations

Abstract

The SiC/SiCwf laminate design has been targeted to achieve increased residual compressive stress in thin SiCwf layers and small residual tensile stress in thick SiC layers, that would lead to a significant increase of the apparent fracture toughness of the composite. The laminates have been manufactured using rolling and hot pressing techniques. The measured apparent fracture toughness of laminates showed a significant increase over the monolith SiC ceramics. Thus, while the intrinsic fracture toughness of pure SiC ceramics is in the range of 2-3 MPa m1/2, significant increase up to 6-8 MPa m1/2 was achieved for the layered ceramics. A crack shielding by compressive residual stress was a main mechanism responsible for the significant toughening of the SiC/SiCwf laminate. © 2006 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	524-529
Number of pages	6
Journal	Composites Part B: Engineering
Volume	37
Issue number	6
DOIs	https://doi.org/10.1016/j.compositesb.2006.02.022
State	Published - May 30 2006

Keywords

A. Laminates
B. Fracture toughness
C. Computational modelling
D. Mechanical testing
Silicon carbide woven fabric

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10.1016/j.compositesb.2006.02.022

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title = "SiC/SiCwoven fabric laminates: Design, manufacturing, mechanical properties",

abstract = "The SiC/SiCwf laminate design has been targeted to achieve increased residual compressive stress in thin SiCwf layers and small residual tensile stress in thick SiC layers, that would lead to a significant increase of the apparent fracture toughness of the composite. The laminates have been manufactured using rolling and hot pressing techniques. The measured apparent fracture toughness of laminates showed a significant increase over the monolith SiC ceramics. Thus, while the intrinsic fracture toughness of pure SiC ceramics is in the range of 2-3 MPa m1/2, significant increase up to 6-8 MPa m1/2 was achieved for the layered ceramics. A crack shielding by compressive residual stress was a main mechanism responsible for the significant toughening of the SiC/SiCwf laminate. {\textcopyright} 2006 Elsevier Ltd. All rights reserved.",

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author = "Nina Orlovskaya and Mykola Lugovy and Frank Ko and Sergey Yarmolenko and Jagannathan Sankar and Jakob Kuebler",

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TY - JOUR

T1 - SiC/SiCwoven fabric laminates: Design, manufacturing, mechanical properties

AU - Orlovskaya, Nina

AU - Lugovy, Mykola

AU - Ko, Frank

AU - Yarmolenko, Sergey

AU - Sankar, Jagannathan

AU - Kuebler, Jakob

PY - 2006/5/30

Y1 - 2006/5/30

N2 - The SiC/SiCwf laminate design has been targeted to achieve increased residual compressive stress in thin SiCwf layers and small residual tensile stress in thick SiC layers, that would lead to a significant increase of the apparent fracture toughness of the composite. The laminates have been manufactured using rolling and hot pressing techniques. The measured apparent fracture toughness of laminates showed a significant increase over the monolith SiC ceramics. Thus, while the intrinsic fracture toughness of pure SiC ceramics is in the range of 2-3 MPa m1/2, significant increase up to 6-8 MPa m1/2 was achieved for the layered ceramics. A crack shielding by compressive residual stress was a main mechanism responsible for the significant toughening of the SiC/SiCwf laminate. © 2006 Elsevier Ltd. All rights reserved.

AB - The SiC/SiCwf laminate design has been targeted to achieve increased residual compressive stress in thin SiCwf layers and small residual tensile stress in thick SiC layers, that would lead to a significant increase of the apparent fracture toughness of the composite. The laminates have been manufactured using rolling and hot pressing techniques. The measured apparent fracture toughness of laminates showed a significant increase over the monolith SiC ceramics. Thus, while the intrinsic fracture toughness of pure SiC ceramics is in the range of 2-3 MPa m1/2, significant increase up to 6-8 MPa m1/2 was achieved for the layered ceramics. A crack shielding by compressive residual stress was a main mechanism responsible for the significant toughening of the SiC/SiCwf laminate. © 2006 Elsevier Ltd. All rights reserved.

KW - A. Laminates

KW - B. Fracture toughness

KW - C. Computational modelling

KW - D. Mechanical testing

KW - Silicon carbide woven fabric

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EP - 529

JO - Composites Part B: Engineering

JF - Composites Part B: Engineering

IS - 6

ER -

SiC/SiCwoven fabric laminates: Design, manufacturing, mechanical properties

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Keywords

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