Flexural characteristics of D-gun sprayed functionally graded alumina and alumina-zirconia ceramic composites coatings

Hot dynamic densification method was developed by combining self-propagating high temperature synthesis (SHS) with explosively shock powder compaction technique. This method is extremely short time processing. The main purpose in this study is to perform from synthesis to densification of TiB2-TiN system high temperature ceramic composites and TiB2-TiNi-Cu system functionally graded materials (FGMs) in one step. In TiN-TiB2 ceramic composites, they showed up to 95% of relative density. It was appeared by TEM observations that both the two phases joined tightly each other. The FGMs also were produced by the same technique. They indicated no interlayer exfoliation and no macro cracks after thermal shock tests from 973 K to room temperature. It was shown that thermoelastic property of intermetallic TiNi phase as intermediate layer between ceramics and metal layers operated effectively.

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Pressureless sintering of particle-reinforced metal–ceramic composites for functionally graded materials: Part II. Sintering model

Acta Materialia ◽

10.1016/j.actamat.2005.10.061 ◽

2006 ◽

Vol 54 (6) ◽

pp. 1467-1474 ◽

Cited By ~ 10

Author(s):

M PINES ◽

H BRUCK

Keyword(s):

Functionally Graded Materials ◽

Ceramic Composites ◽

Functionally Graded ◽

Pressureless Sintering ◽

Graded Materials ◽

Metal Ceramic

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Secondary minimum interactions and heterocoagulation encountered in the aqueous processing of alumina—zirconia ceramic composites

Colloids and Surfaces ◽

10.1016/0166-6622(92)80190-d ◽

1992 ◽

Vol 66 (3) ◽

pp. 157-179 ◽

Cited By ~ 18

Author(s):

Alan Bleier

Keyword(s):

Ceramic Composites ◽

Secondary Minimum ◽

Zirconia Ceramic ◽

Aqueous Processing

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Dense Hydroxyapatite-Zirconia Ceramic Composites with High Strength for Biological Applications

Advanced Materials ◽

10.1002/1521-4095(200102)13:3<214::aid-adma214>3.0.co;2-5 ◽

2001 ◽

Vol 13 (3) ◽

pp. 214-216 ◽

Cited By ~ 117

Author(s):

Z. J. Shen ◽

E. Adolfsson ◽

M. Nygren ◽

L. Gao ◽

H. Kawaoka ◽

...

Keyword(s):

High Strength ◽

Ceramic Composites ◽

Zirconia Ceramic ◽

Biological Applications

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Metal-ceramic functionally graded materials – manufacturing, characterization, application

Bulletin of the Polish Academy of Sciences Technical Sciences ◽

10.1515/bpasts-2016-0017 ◽

2016 ◽

Vol 64 (1) ◽

pp. 151-160 ◽

Cited By ~ 5

Author(s):

M. Chmielewski ◽

K. Pietrzak

Keyword(s):

Functionally Graded Materials ◽

Ceramic Composites ◽

Functionally Graded ◽

Point Of View ◽

Graded Materials ◽

Microstructure Characteristics ◽

Composition And Structure ◽

Metal Ceramic ◽

Manufacturing Techniques

Abstract Functionally graded materials (FGMs) belong to a new, continuously developing group of materials, finding application in various branches of industry. The idea of freely designing their construction profile, restricted only by the available manufacturing techniques, enables obtaining materials with composition and structure gradients having unprecedented properties. In this paper, selected results of works carried out by the authors and relating to the application of the developed metal-ceramic composites were presented in order to manufacture functionally graded materials for target purposes. Gradient structures with various construction profiles that can play different roles were produced on the basis on the following material pairs: Cr-Al2O3, NiAl-Al2O3 and Cu-AlN. Manufacturing conditions, microstructure characteristics and selected properties, crucial from the point of view of future applications, were presented.

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Development of Functionally Graded Anti-Oxidation Coatings for Carbon/Carbon Composites

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.280-283.1851 ◽

2007 ◽

Vol 280-283 ◽

pp. 1851-1856 ◽

Cited By ~ 2

Author(s):

Jae Ho Jeon ◽

Hai Tao Fang ◽

Zhong Hong Lai ◽

Zhong Da Yin

Keyword(s):

Composite Materials ◽

Cutting Tools ◽

Functional Materials ◽

Ceramic Composites ◽

Research Area ◽

Research Field ◽

Functionally Graded ◽

Carbon Composites ◽

Metal Composite ◽

Dielectric Ceramic

The concept of functionally graded materials (FGMs) was originated in the research field of thermal barrier coatings. Continuous changes in the composition, grain size, porosity, etc., of these materials result in gradients in such properties as mechanical strength and thermal conductivity. In recent years, functionally graded structural composite materials have received increased attention as promising candidate materials to exhibit better mechanical and functional properties than homogeneous materials or simple composite materials. Therefore the research area of FGMs has been expending in the development of various structural and functional materials, such as cutting tools, photonic crystals, dielectric and piezoelectric ceramics, thermoelectric semiconductors, and biomaterials. We have developed functionally graded structural ceramic/metal composite materials for relaxation of thermal stress, functionally graded anti-oxidation coatings for carbon/carbon composites, and functionally graded dielectric ceramic composites to develop advanced dielectric ceramics with flat characteristics of dielectric constant in a wide temperature range. This paper introduces functionally graded coatings for C/C composites with superior oxidation resistance at high temperatures.

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