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inert crystalline ceramics

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Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005675
EISBN: 978-1-62708-198-6
... ceramics clinical applications glass-ceramics glasses hard tissue attachment hard-tissue response implant materials inert crystalline ceramics mechanical properties physical properties porous ceramics resorbable biomaterials CERAMICS, GLASSES, AND GLASS-CERAMICS have been essential...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002126
EISBN: 978-1-62708-188-7
... stresses, high cutting speeds, or the use of cutting fluids are involved. Fig. 9 Principal tool properties versus machining conditions Chemical inertness is also an important property at high cutting speeds. The chemical inertness of ceramics, as discussed earlier, is associated with the free...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003372
EISBN: 978-1-62708-195-5
... to ammonia. The use of reactive and/or inert filler particles is often very important to reduce matrix shrinkage and cracking during drying and conversion to the final ceramic-matrix chemistry and structure. The typical sol-gel-derived ceramic matrix contains 25 to 40% open porosity after heating...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002463
EISBN: 978-1-62708-194-8
... periodic crystal structure. Many ceramics can exist in both states, as for example silicon dioxide, which can be crystalline quartz or glassy, fused silica. Glass ceramics and vitrified bodies may be thought of as intermediate combinations of crystalline and glassy constituents (they are discussed later...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006650
EISBN: 978-1-62708-213-6
..., be certain that the inert filler is indeed free of nuclei of interest. Clean sand works well unless the measurement involves 29 Si, and a variety of organic powders can be useful in studies of ceramics or glasses. Polycrystalline KBr also is an excellent choice of filler, because the salt can be washed away...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003357
EISBN: 978-1-62708-195-5
... with the presence of amorphous or creep-enhancing second phases in the grain boundaries. Nevertheless, a variety of oxide and nonoxide polycrystalline-ceramic fibers exist today with sufficient crystallinity, purity, and performance capability to reinforce metal- and ceramic-matrix composites that can compete...
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
..., the term “ceramic” encompasses crystalline ceramics, glass-ceramics, and amorphous materials, such as silica-based glasses. Some of the important processing techniques for CMCs are described, and the advantages and disadvantages of each technique are highlighted to provide a comprehensive understanding...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002460
EISBN: 978-1-62708-194-8
... Abstract This article focuses on the relationships among material properties and material structure. It summarizes the fundamental characteristics of metals, ceramics, and polymers. The article provides information on the crystal structure, the atomic coordination, and crystalline defects...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003256
EISBN: 978-1-62708-176-4
... Abstract This article reviews the general mechanical properties and test methods commonly used for ceramics and three categories of polymers, namely, fibers, plastics, and elastomers. The mechanical test methods for determining the tensile strength, yield strength, yield point, and elongation...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006678
EISBN: 978-1-62708-213-6
.... The XRD techniques are equally applicable to other crystalline materials, such as ceramics, geologic materials, and most inorganic chemical compounds. The article “Single-Crystal X-Ray Diffraction” in this Volume explains how single-crystal x-ray diffraction is used to characterize the crystal structure...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
... in the ceramic. Each of these can be considered at a number of different levels of detail. The identity of a crystalline phase, for example, can be easily determined in most cases by x-ray powder diffraction. Details of crystal perfection, lattice ordering, residual lattice strains, and so on require more...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003054
EISBN: 978-1-62708-200-6
... temperature range. The major disadvantage of graphite is its tendency to react with ceramics, particularly oxide ceramics. In practice, the necessity for protecting graphite heating elements from oxidation by the atmosphere requires the use of an inert gas or a vacuum. This, coupled with the low vapor...
Book Chapter

By Sam Nasser
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005684
EISBN: 978-1-62708-198-6
... Abstract Physically, tantalum is a dark, blue-gray, lusterless metal that exists in two crystalline forms: an alpha-phase with a body-centered cubic structure, and a brittle beta-phase with a tetragonal orientation. This article tabulates the physical and material properties of tantalum...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... resistance is best for inert materials. Porosity Wear resistance is best for materials with zero porosity. Coefficient of friction Lower coefficient of friction generally gives better wear resistance. Grain size For many sintered ceramics, fine grain size usually gives better wear resistance...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003068
EISBN: 978-1-62708-200-6
... Abstract This article is a compilation of definitions for terms related to engineering materials, including plastics, elastomers, polymer-matrix composites, adhesives and sealants, ceramics, ceramic-matrix composites, glasses, and carbon-carbon composites. engineering materials...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
... be controlled when using inert-gas shrouding through control of deposition rates, auxiliary cooling, and so forth. Plasma spray can be used to produce coatings of virtually any metallic, cermet, or ceramic material. The coatings are used for most of the types of applications described in a subsequent...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005920
EISBN: 978-1-62708-167-2
... is, but when the range is long enough, the materials are classified as crystalline. (There is also a group of materials called glass ceramics that are melted and formed similarly to glasses but have both a glassy phase and crystalline phase together). For further description of the process, see Ref 1 , 2...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001107
EISBN: 978-1-62708-162-7
... . These applications take advantage of the temperature resistance, corrosion resistance, hardness, chemical inertness, thermal and electrical insulating properties, wear resistance, and mechanical properties of the structural ceramic materials. Combinations of properties for specific applications are summarized...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003051
EISBN: 978-1-62708-200-6
... Abstract Traditional ceramics, one of two general classes, are commonly used in high-volume manufacturing to make building materials, household products, and various industrial goods. Although there is a tendency to equate traditional ceramics with low technology, sophisticated processes...