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silicides

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... silicide at the interface of the nickel film and silicon wafer Fig. 4 Auger electron spectroscopy overlay map of the sample surface showing multiple elements: carbon (red), nickel (blue), and silicon (green). FOV, field of view Fig. 5 X-ray photoelectron spectroscopy survey spectrum...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046418
EISBN: 978-1-62708-234-1
... the same on each specimen and to contain a fairly dense distribution of a very fine precipitate of magnesium silicide (Mg 2 Si) throughout the material. This constituent would be visible only if aluminum alloy 6061 had been heated to temperatures above about 175 °C (350 °F) or if it had been improperly...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001753
EISBN: 978-1-62708-241-9
... ]. The Chinese-script phase is suspected to be Mg 2 Si, a common constituent in aluminum alloys [ 5 ]. The remnant interdendritic phases are likely silicides, aluminides, and chromates [ 4 , 5 ]. Black phases dispersed throughout the grains could be Mg and Zn coring [ 4 ]. Fig. 7 Representative...
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
... a molten metallic slurry on the surface of the substrate ( Ref 65 ). Aluminum diffuses to nickel, and silicon diffuses to chromium to form a composite monolayered coating consisting of β-NiAl and chromium silicide (CrSi 2 ) ( Ref 66 ). A multistage process, developed to redistribute these key elements...
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
... reported to exist in high siliceous deoxidation products. 6 The presence of aluminum along with Ca and Si in some inclusions indicated that aluminum-bearing calcium silicide probably had been used as the deoxidant during the refining process. 6 In general, calcium is difficult to introduce, it may...