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ceramic matrix composites

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... is of the type S 1 + L 1 → L 2 + S 2 with the formation of S 2 causing the interface composition to change. For porous solids such as refractories with open porosity and with matrix materials being fine and highly reactive, both dissolution and penetration occur; hence, most slagging situations involve...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006869
EISBN: 978-1-62708-395-9
..., distribution, orientation, combination with fillers, and quality of bonding with the matrix ( Ref 4 – 7 ). The main contributor to wear behavior is the filler, which must be selected accurately in order to control the wear of the composite. In the following section, we provide a brief discussion of the effects...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
..., aspect ratio, distribution, orientation, combination with fillers, and the quality of bonding with the matrix), and operating conditions. Fibers are far more wear resistant than the matrix and hence control the wear of composite. Continuous fiber-reinforced composites with a thermoset-polymer matrix...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001489
EISBN: 978-1-62708-217-4
... matrix effect when analyzing smaller size inclusions in the “cups” of fracture surface. On the fracture surfaces of sample B, chromium, manganese, and sulfur were found to be present in almost all the inclusions. In both the rings, the composition of the inclusions on the fracture and the polished...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
..., Auger electron spectroscopy, secondary ion mass spectroscopy, and X-ray powder diffraction. The article discusses the analysis and interpretation of base material composition and microstructures. Preparation and examination of metallographic specimens in failure analysis are also discussed. The article...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
..., for typical types of damage experienced for metallic components. This article discusses the processes involved in visual or macroscopic examination of damaged material; the interpretation of fracture features, corrosion, and wear damage features; and the analysis of base material composition. It covers...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... Abstract High-temperature corrosion can occur in numerous environments and is affected by various parameters such as temperature, alloy and protective coating compositions, stress, time, and gas composition. This article discusses the primary mechanisms of high-temperature corrosion, namely...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... corrosion weakens the role of reinforcements in composites and multiphase alloys. When composite materials and multiphase alloys are worn in corrosive environments, preferential corrosion of the matrix surrounding the reinforcement particles or hard second phases in the solid material microstructure weakens...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... Abstract This article discusses the generic features of impact wear on metals, ceramics, and polymers. It describes normal impact wear and compound impact wear, as well as the features of impact wear testing apparatus such as ballistic impact wear apparatus and pivotal hammer impact wear...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... to 1420 ksi) structure coexists in a relatively soft ferrite or pearlite (HV of approximately 1.0 to 2.9 GPa, or 145 to 420 ksi) matrix. This results in a composite HV for the alloy of between 4.9 and 5.9 GPa (710 and 855 ksi). However, in spite of the relatively high hardness of the composite structure...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... ksi) structure coexists in a relatively soft ferrite or pearlite (HV of approximately 1.0 to 2.9 GPa, or 145 to 420 ksi) matrix. This results in a composite HV for the alloy of between 4.9 and 5.9 GPa (710 and 855 ksi). However, in spite of the relatively high hardness of the composite structure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... Abstract High temperature corrosion may occur in numerous environments and is affected by factors such as temperature, alloy or protective coating composition, time, and gas composition. This article explains a number of potential degradation processes, namely, oxidation, carburization...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... iron grades are eutectic, or near eutectic alloys, where graphite and the metallic matrix grow cooperatively on solidification. Gray Iron Composition and Microstructure Carbon Equivalent and Carbon Saturation Carbon equivalent (CE) is a simplified method of evaluating the effect...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
.... If this information is not available, rapid, nondestructive, semiquantitative techniques such as energy-dispersive x-ray spectroscopy (EDS) and portable x-ray fluorescence (XRF) tools can be used to estimate the material composition in order to allow the chemical analyst to determine the proper techniques...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... situations, the bodies tend to be large and contact in a well-defined location in a controlled way, unlike erosion where the eroding particles are small and interact randomly with the target surface. This article describes some generic features and modes of impact wear of metals, ceramics, and polymers...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
...: Inclusions G 110: Metallic inclusions G 111 (a) Metallic inclusions whose appearance, chemical analysis or structural examination show to be caused by an element foreign to the alloy Metallic inclusions G 112 (a) Metallic inclusions of the same chemical composition as the base metal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... the composite surface roughness of the sliding surfaces ( Ref 43 ). The other factors contributing to scuffing failure include wear or fatigue debris in the lubricant, wearout of the protective tribological film, lubricant degradation, and so on ( Ref 44 , 45 ). The typical appearance of scuffed gear teeth...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
... of a polyetheretherketone (PEEK)-matrix composite with 20% (by volume) PTFE particulates showed that solid-state lubricant PTFE particulates in the PEEK matrix decreased the PTFE/PEEK composite friction coefficient and wear rate appreciably by continuous formation of PTFE transfer films over the contact surface between...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... rupture due to MVC is the most prevalent fracture mechanism of ductile overload failures. During deformation, cavities (or microvoids) nucleate at small particles (such as inclusions and second-phase particles) when the matrix material separates from the particle by interfacial decohesion and when...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001850
EISBN: 978-1-62708-241-9
..., the refractory thickness is gradually reduced from 80 mm near the goose neck to 20 mm near the tip of the blow pipe. Table 1 gives the specified chemical composition of the alumina refractory lining applied to the blow pipes. Fig. 1 Schematic representation of the tuyere blow stock of the blast furnace...