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substrate microstructure

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Published: 01 August 2013
Fig. 6 Microstructure of a cold-sprayed copper coating on an aluminum substrate using nitrogen as the process gas. (a) As-polished. (b) Etched. Source: Ref 18 More
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Published: 01 August 2013
Fig. 8 Microstructure of a cold-sprayed titanium coating on an aluminum substrate using nitrogen as the process gas. (a) Dense titanium coating. (b) Porous titanium coating for biomedical (prosthesis) applications. Source: Ref 18 More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001275
EISBN: 978-1-62708-170-2
... Abstract This article briefly describes the basic attributes of chromate conversion coatings and the processes for applying them. It provides information on the influence of substrate microstructure on the performance of coating deposits and on the mechanism of substrate protection supplied...
Book Chapter

By Jude Mary Runge
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006523
EISBN: 978-1-62708-207-5
.... The converse follows as well: AAO grown at a lower current density (for the same substrate alloy and microstructure) and electrolyte (as the higher current density example) will have a narrower central pore, and the AAO structure will have a lower residual stress ( Fig. 6 ). Fig. 6 By modifying process...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003686
EISBN: 978-1-62708-182-5
..., resulting in chemical and microstructural changes to the substrate surface. Classification of coating processes Table 1 Classification of coating processes Category Description Processes Overlay coatings Deposition with minimal interdiffusion of coating with substrate Hot spraying...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005513
EISBN: 978-1-62708-197-9
.... These data serve as input for the modeling of microstructure and defect generation, as described in the following sections. Fundamentals of Modeling Microstructure Consistency of microstructure between the substrate and the deposit is fundamental in laser deposition. In this regard, the temperature...
Image
Published: 31 December 2017
Fig. 11 Microstructure and hardness of FeCrCB deposition welding. (a) Microstructure of coating in the third layer. (b) Interface between coating and substrate, characterized by hypoeutectic solidification in the coating → dilution. (c) Hardness track across the deposition weldment starting More
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006522
EISBN: 978-1-62708-207-5
... at the surface, developing the microstructure on even the purest substrates ( Ref 7 ). Fig. 1 Schematic of atomic packing on different crystallographic planes in the fcc lattice. Because the atomic packing density is highest on the [1,1,1] plane (far right), it exhibits the highest chemical sensitivity...
Image
Published: 01 December 2004
Fig. 9 75.5WC-16(Ta,Ti,Nb)C-8.5Co alloy substrate, 91.2 HRA, coated with multilayer hard coating. Microstructure shows (from bottom) cemented carbide substrate, (Co 6 W 6 )C eta phase at the substrate/coating interface, TiC, TiCN, and TiN coating layers. Murakami's reagent, 1 min. 1500×. More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001300
EISBN: 978-1-62708-170-2
...-sprayed materials) are moved with respect to their equilibrium positions by externally applied forces, which can be due to mechanical or thermal loading or the mismatch of properties with the substrate. Stresses can lead to bending of the coating, distortion of the microstructural units, and generation...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003791
EISBN: 978-1-62708-177-1
... in air. Such coatings exhibit characteristic lamellar microstructures, with the long axis of the impacted splats oriented parallel to the substrate surface, together with a distribution of similarly oriented oxides. Oxide content of coatings varies with the process. The progressive increases in particle...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003797
EISBN: 978-1-62708-177-1
...-8.5Co alloy substrate, 91.2 HRA, coated with multilayer hard coating. Microstructure shows (from bottom) cemented carbide substrate, (Co 6 W 6 )C eta phase at the substrate/coating interface, TiC, TiCN, and TiN coating layers. Murakami's reagent, 1 min. 1500×. Microstructures of Cemented Carbides...
Book Chapter

Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005560
EISBN: 978-1-62708-174-0
... a wide variety of dissimilar materials with a good metallurgical bond onto a range of substrates. Advantages include: Excellent bonding with no inclusions, porosity, or oxidation Dense, clean, and fine microstructures Deposition of nonweldable alloys No melting of materials...
Image
Published: 31 December 2017
Fig. 15 Microstructure of thermally sprayed metal-matrix composite that was further densified by hot isostatic pressing (HIP). (a) Interface between high-velocity oxyfuel (HVOF)-sprayed cold work tool steel and low-alloyed steel substrate. (b) Microstructure of thermally sprayed and HIP More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006364
EISBN: 978-1-62708-192-4
... abrasion. Due to the high influence of the manufacturing process on the material properties, common techniques to produce thick wear-resistant coatings on a steel substrate are briefly discussed. Fig. 10 Microstructure of Stellite 6 in the (a) as-cast and (b) hot isostatic pressed conditions...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006572
EISBN: 978-1-62708-290-7
... adhesion of the added material to the substrate as well as even microstructure within the deposited material. The process benefits from using large, readily available sections of solid material as its feed source instead of a powder or special bar or plate [ Ref 8 ]. Friction stir additive...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... mechanism caused by a reduction in substrate hardness is principally due not only to a compromise in the ability of substrate to support the coating, but also to microstructural changes associated with substrate softening that can result in stress concentrations and create fatigue initiation sites. Hence...
Image
Published: 01 January 1994
Fig. 3 Microstructural dependence of sputtered thin films on argon pressure and substrate temperature More
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
... for coating synthesis include: Response of the coating material and substrate to the laser beam Choice of laser processing parameters to tailor the microstructure The temperature of the coating material and substrate increases rapidly when they are irradiated with a laser beam, which starts...
Image
Published: 01 August 2013
Fig. 9 Microstructure of a cold-sprayed titanium-alumina composite coating on an aluminum substrate using nitrogen as the process gas. Source: Ref 18 More