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crystalline ceramics

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Published: 01 January 1997
Fig. 4 Unit cells of several crystalline ceramics. (a) The unit cell of NaCl. Chloride ions assume an fcc array with one sodium ion (displaced by half a lattice parameter along a cube edge) for every chloride ion. Source: Ref 1 . (b) The CsCl structure. Chloride ions assume a simple cubic More
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
... crystalline ceramics, porous ceramics, calcium phosphate ceramics, and bioactive glasses. The article discusses the compositions of ceramics and carbon-base implant materials, and examines their differences in processing and structure. It describes the chemical and microstructural basis for their differences...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003255
EISBN: 978-1-62708-176-4
... ceramics glasses polymers composites inorganic crystalline solids inorganic noncrystalline solids strengthening mechanisms work hardening solid-solution hardening particle hardening precipitation hardening grain size hardening deformation fatigue fracture resistance MANY DIFFERENT types...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001756
EISBN: 978-1-62708-178-8
... Abstract X-ray diffraction techniques are useful for characterizing crystalline materials, such as metals, intermetallics, ceramics, minerals, polymers, plastics, and other inorganic or organic compounds. This article discusses the theory of x-rays and how they are generated and detected...
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: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002459
EISBN: 978-1-62708-194-8
.../structure/property relationships gushed forth. The new, high-resolution techniques were generally applicable to all types of materials. The crystalline material concepts useful in metals were tested on crystalline ceramics; the amorphous material concepts of plastics and glassy ceramics were applied...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003287
EISBN: 978-1-62708-176-4
... descriptions of creep and explains the testing and mechanism of creep in crystalline solids. It also presents information on the creep response of crystalline and amorphous solids. creep deformation polymers ceramics composites constant load constant true stress creep strain crystalline solids...
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
... Abstract This article focuses on the process methods and matrix chemistries of ceramic-matrix composites. These methods include pressure-assisted densification, chemical vapor infiltration, melt infiltration, polymer infiltration and pyrolysis, and sol-gel processing. The article discusses...
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...
Image
Published: 01 January 1986
Fig. 25 Conventional TEM bright-field images and associated diffraction patterns from a ceramic containing crystalline and amorphous phases. (a) A TEM bright-field image of a crystal of Li 3 PO 4 in a matrix of Li 2 O-Al 2 O 3 -SiO 2 glass containing P 2 O 5 . (b) The diffraction pattern More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
.... (Glasses are a subset of ceramics. The difference between the two is that crystalline ceramics have a periodic crystal structure, whereas glasses possess a short-range order but no long-range periodic structure. Their structure is isotropic, with properties uniform in all directions.) A Brief History...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002481
EISBN: 978-1-62708-194-8
... cost and production factors are also tabulated. The process groups include casting; deformation; powder processing; machining; noncutting; joining; ceramic, glass, and polymer processing; and composites manufacturing. carbon-matrix composites casting ceramic-matrix composites ceramics...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006671
EISBN: 978-1-62708-213-6
... fine crystalline or amorphous phases. Sample preparation is usually difficult for ceramics, involving polishing to a very thin 3 mm (⅛ in.) disk and dimpling the center. Then, a sample is generally ion milled for an extended time to yield a small electron-transparent area that may be suitable for TEM...
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: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006650
EISBN: 978-1-62708-213-6
... with a description of the applications of NMR in glass science and ceramics. nuclear magnetic resonance spectroscopy nuclear spins Overview Introduction Nuclear magnetic resonance (NMR) spectroscopy is an analytical method based on interaction of a nuclear magnetic moment with an external magnetic...
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: 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: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003842
EISBN: 978-1-62708-183-2
... Abstract This article examines the high-temperature oxidation of silica-forming ceramics under constant temperature and cyclic conditions. The effects of water vapor, impurities, and molten salts are discussed. The article describes the oxidation and corrosion of silica-forming composites...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003006
EISBN: 978-1-62708-200-6
..., or crystalline versus noncrystalline structure. The article describes the various aspects of chemical structure that are important to an understanding of polymer properties and, thus, affect eventual end uses. It discusses different types of names assigned to polymers. The article details the aspects of polymer...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... ranges of key properties are compared for general categories of materials (such as metal, plastics, ceramic, or composites). For example, general comparisons of some common properties are given in Table 1 ( Ref 2 ) for metals, ceramics, and polymers. The precision of property data needed during...