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monolithic ceramics

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Published: 01 November 1995
Fig. 7 Hot strength comparison of several super-duty monolithic ceramics More
Image
Published: 01 November 1995
Fig. 17 Tension specimens used for monolithic ceramics (each is in correct proportion to the others); all dimensions in mm. Upper row for round specimens; lower row for flat specimens. Adapted from Ref 44 More
Image
Published: 01 November 1995
Fig. 21 Approximate multiaxial failure envelope for monolithic ceramics. Uniaxial loadings lie on the axes. Tensile stresses are positive and compression stresses are negative. Failure occurs for any combination of σ 1 , σ 2 that lies outside the envelope. σ 1 , tensile stress; σ 2 , modest More
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Published: 01 January 2000
Fig. 28 Tension specimens used for monolithic ceramics (each is in correct proportion to the others); all dimensions in mm. Upper row for round specimens; lower row for flat specimens. Adapted from Ref 26 More
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Published: 01 January 2001
Fig. 2 Tensile stress-strain curves for a monolithic ceramic and a ceramic-matrix composite. Source: Ref 3 More
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Published: 01 January 2005
Fig. 1 Schematic of oxidation of a monolithic ceramic illustrating scale growth and substrate recession More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002417
EISBN: 978-1-62708-193-1
... Abstract This article summarizes the understanding of the mechanisms and mechanical effects of fatigue processes in highly brittle materials, with particular emphasis on ceramics. It provides a discussion on room-temperature fatigue crack growth in monolithic ceramics, transformation-toughened...
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...
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Published: 01 November 1995
Fig. 1 Stress-strain behavior of reinforced and unreinforced ceramics. Fiber reinforcement of ceramic composites avoids the brittle catastrophic fracture characteristic of monolithic materials. However, the matrix cracking stress of reinforced ceramics is generally lower than the fracture More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003469
EISBN: 978-1-62708-195-5
... Continuous fiber reinforced ceramic-matrix composites retain many of the characteristics of monolithic advanced ceramics (for example, erosion and corrosion resistance, stiffness, and high-temperature properties) while avoiding the main drawback of monolithic ceramics (that is, brittleness) by exhibiting...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003311
EISBN: 978-1-62708-176-4
... , 22 , 23 , 24 , and 25 ). However, most of these engineering applications require high reliability and the improvement of ceramic fracture toughness. Monolithic ceramics are inherently brittle, making them highly sensitive to process- and service-related flaws. Due to their low toughness...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003449
EISBN: 978-1-62708-195-5
... of materials designed to retain the attractive properties of monolithic ceramics, while enhancing their reliability for structural applications. Although strictly speaking almost any multiphase ceramic can be classified as a DR-CMC, the materials referred to in this section are those in which discrete...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003684
EISBN: 978-1-62708-182-5
... Abstract Inorganic chemical-setting ceramic linings are one of the most widely used construction materials in designing the protective linings for industrial installations. Monolithic linings can be applied by cast or gunite (shotcreting) methods over steel or concrete as well as brick...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003486
EISBN: 978-1-62708-195-5
... as cutting tool inserts. The development of these composite tool materials was partially based on the advances in high-temperature monolithic ceramic materials and processing technology developed for automotive gas turbine and other high-temperature structural applications. Table 1 compares the room...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... fracture characteristic of monolithic materials. However, the matrix cracking stress of reinforced ceramics is generally lower than the fracture stress of monolithic ceramics. There have been major developments in the area of ceramic reinforcement materials ( Ref 2 ). Advanced materials used...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002476
EISBN: 978-1-62708-194-8
... random variables Next, consider the situation where the load random variable has very little scatter relative to the resistance random variable. For example, if a number of test specimens were fabricated from a brittle material (a monolithic ceramic), the ultimate tensile strength can easily vary...
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...
Image
Published: 01 January 2001
Fig. 17 Stress-strain behavior of reinforced and unreinforced ceramics. Fiber reinforcement of CMCs avoids the brittle catastrophic fracture characteristic of monolithic materials. More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
.... These are available in large monolithic slabs, which have shown improved life as a liner in a primary feed line at a nickel ore mine. Larger tiles with fewer seams result in less wear ( Ref 6 ). Another approach to improve the impact resistance of ceramic wear liners is the use of a ceramic-filled polymer. Pipe...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003312
EISBN: 978-1-62708-176-4
... for many monolithic ceramics, and <20 MPa m for cast irons and hardened steel alloys). These low fracture toughnesses combined with moderate strengths mean that from a Griffith approach, intrinsic flaw sizes may only be on the order of 1 to 50 μm, which often lead to low, broad strength...