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high-tech ceramics

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Published: 30 September 2014
Fig. 14 Comparison of high-temperature (1350 °C, or 2460 °F) creep testing of radiant tube sections. (Left) Silicon/silicon carbide composite after 360 h. (Right) Ni-Cr-Fe alloy after less than 1 h. Test conducted at High-Tech Ceramics, Alfred, NY More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003795
EISBN: 978-1-62708-177-1
... of aluminum oxide, zirconium dioxide, aluminum nitride, silicon carbide, and piezoelectric ceramics. ceramographic etching grinding high-tech ceramics microstructure mounting piezoelectric ceramics polishing scanning electron microscopy sectioning specimen preparation technical ceramics...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003711
EISBN: 978-1-62708-182-5
... and gives examples of commercial materials. In general, metals are versatile materials that can be modified easily to achieve specific properties. Polymers can be produced readily in complex near-net final shape, and they have high ductility and low strength. Ceramics tend to have high compressive strength...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006421
EISBN: 978-1-62708-192-4
..., heat treatment, and laser-assisted coatings technologies (laser-assisted synthesis of in-situ interstitial, metallic alloy coatings, ceramic coatings, and thin films). Coverage also includes novel coatings such as high entropy alloy coatings and amorphous metallic coatings, as well as laser-based...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
.... Ceramics, because of their high modulus of elasticity and lack of plastic flow, concentrate stresses where those stresses are applied and readily crack. In wear applications, if sharp particles are loaded against a ceramic surface with enough force, microcracking will take place at this location...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003421
EISBN: 978-1-62708-195-5
... Abstract Ceramic-matrix composites (CMCs) have ability to withstand high temperatures and have superior damage tolerance over monolithic ceramics. This article describes important processing techniques for CMCs: cold pressing, sintering, hot pressing, reaction-bonding, directed oxidation...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003056
EISBN: 978-1-62708-200-6
... required that can be made only by joining together less complex shapes. Because the requirements of a ceramic joint can vary from application to application (e.g., hermeticity, ductile strain relief, corrosion resistance, high-temperature strength), the ability to tailor the physical and mechanical...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
... insulative, capacitive, conductive, resistive, sensor, electrooptic, and magnetic functions in a wide variety of electrical and electronic components. Perhaps the most significant development in the area of advanced ceramics has been the discovery of high-temperature superconductors. The development...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005733
EISBN: 978-1-62708-171-9
... are achievable, but deposition efficiencies are lower, and/or fugitive materials are added (e.g., polymers) to increase porosity to 25 to 40% (YSZ ceramic e systems). Finally, the high coefficient of thermal expansion (CTE) of YSZ (~11 × 10 −6 /°C) helps to reduce stress levels due to CTE mismatch...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
.... The article describes testing methods such as room and high-temperature strength test methods, proof testing, fracture toughness measurement, and hardness and wear testing. It also explains methods for determining thermal expansion, thermal conductivity, heat capacity, and emissivity of ceramics and glass...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001233
EISBN: 978-1-62708-170-2
... role in affecting the surface roughness ( Ref 24 ). New developments in the field of materials science have led to new engineering methods for metallic materials, composite materials, and high-tech ceramics. EDM (both rough and finishing) of ceramics turns out to be a very good alternative...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001287
EISBN: 978-1-62708-170-2
... composite ceramics. Resistive heating of electrically conductive heater is typically by low voltage (<10 V), very high alternating current (several hundred amperes) transformer supplies. It is generally better to slowly increase the heater current than to suddenly turn on full heater power. Due...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001291
EISBN: 978-1-62708-170-2
... for various tribological applications. There are also numerous potential applications for corrosion-barrier coatings. Examples include coatings on fibers used in metal-matrix composites and protective coatings for turbine blades ( Ref 1 ). Filtered arcs can produce very high-quality ceramic coatings at high...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... Abstract Ceramic-matrix composites (CMCs) are being developed for a number of high-temperature and high-performance applications in industrial, aerospace, and energy conservation sectors. This article focuses on processing, fabrication, testing, and characterization methods of CMCs, namely...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006559
EISBN: 978-1-62708-290-7
... important fields. Because of these benefits, Al 2 O 3 ceramics play an active role in saving energy, protecting the environment, saving precious metal, improving production efficiency, prolonging equipment life, and ensuring the realization of high-tech processes ( Ref 39 ). Therefore, in the early stage...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001316
EISBN: 978-1-62708-170-2
... or opaque; high gloss, satin, or matte; smooth, patterned, or textured; and monochrome or multicolored, the combination of requirements that meets each particular application is extensive. Glazes A ceramic glaze is a vitreous coating applied to a ceramic substrate (usually a whiteware). A great...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001283
EISBN: 978-1-62708-170-2
... to proceed. This energy can be provided, in practice, by several methods. Thermal activation is the original process, and it is still the major method for the chemical vapor deposition of metals and ceramics. Thermal CVD In thermal CVD, the reaction is activated by high temperature, generally above...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006578
EISBN: 978-1-62708-290-7
... the fabrication of a 3D object from scratch using a wide range of materials ( Ref 3 ). Additive manufacturing shows excellent advantages in building 3D objects with complex geometry, and this unique manufacturing method makes it possible to fabricate customized ceramic structure with high accuracy...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... industries such as building products, whitewares, and refractories as well as in high-technology industries such as electronics. The raw materials used as constituents in ceramics all have their primary origin in nature. Some raw materials are incorporated into ceramic products in their natural form...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001457
EISBN: 978-1-62708-173-3
... conductors, piezoelectric devices, and high-critical-temperature superconductors, this category of materials and the related joining technology is outside the scope of this article. A primary impetus behind the emphasis on structural ceramics is the desire for improved efficiency and increased component...