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cermets

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Published: 01 January 2002
Fig. 10 Rolling-contact fatigue failure modes of thermal spray cermet and ceramic coatings. Source: Ref 84 More
Image
Published: 01 January 2002
Fig. 15 Schematic of coating delamination process for cermet and ceramic coatings More
Image
Published: 01 December 1993
Fig. 11 SEM micrograph of a group 2 resistor termination. Areas of interest are as follows: area 1 is the alumina substrata area 2 is the cermet thick-film metallization; area 3 is the polymer thick-film ink; area 4 is the nickel barrier layer; and area 5 is the lead-tin surface coa ting More
Image
Published: 01 December 1993
Fig. 8 An interesting detail on the group 1 resistors was the presence of an amorphous dark-appearing phase dotting the interface between the cermet metallization and the thick-film polymer conductive ink. Fourier transform infrared analysis determined that this dark-appearing phase More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
.... Note the gray scale difference between the surface of the delaminated termination and that of the alumina substrate in Fig. 6 . This is because delamination occurred at the cermet/thick-film polymer interface. Fig. 6 Higher-magnification examination of the surface of the delaminated portion...
Image
Published: 01 December 1993
Fig. 5 SEM micrograph of the delaminated termination. Note the gray scale difference between the surface of the delaminated termination and that of the alumina substrate in Fig. 6 . This is because delamination occurred at the cermet/thick-film polymer interface. More
Image
Published: 01 December 1993
Fig. 9 Delaminated termination on a group 6 sample, showing Valox (the pellet encapsulant) intruding on the cermet/polymer thick-film metallization interface. Metallization forced the expansion of the termination, rupturing the nickel barrier and giving the solder joint a cracked appearance More
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
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... that, in reality, there is a continuum of materials. In addition, some materials, such as composites and cermets, can have both brittle and ductile components and exhibit mixed behavior ( Fig. 1 ). Erosion of Ductile Materials The erosion of ductile materials by solid particles can be separated into two...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... or a combination of ceramic and metal (cermet) materials, which are much harder than the underlying steel substrate ( Ref 136 ). Three major techniques are used for these coatings: physical vapor deposition, chemical vapor deposition, and thermal spray. Physical Vapor Deposition Coatings Overlay coatings...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... and brittle materials separately, but it must be understood that, in reality, there is a continuum of materials. In addition, some materials, such as composites and cermets, have both brittle and ductile components and exhibit mixed behavior. Erosion of Ductile Materials The erosion of ductile...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2