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Palladium oxide

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091336
EISBN: 978-1-62708-234-1
... of the assembly, a fabric bag containing palladium oxide was taped to the tube. The palladium served as a “getter.” Investigation (visual inspection and EDS analysis of corrosion debris) supported the conclusion that chlorides and palladium both contributed to corrosion in the crevice created by the tape...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
...- and cobalt-base alloys and precious metals (gold, platinum, and palladium). These filler materials, when used with improved atmospheres such as ultradry hydrogen and vacuum and equipment such as vacuum furnaces with gas-quenching capabilities, have raised the upper-temperature brazing limit to above 1650 °C...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... and deep ocean thermal vents. Halophiles that have evolved to live at extreme salinities turn pink the evaporation pans used to win salt from seawater. Sulfide-oxidizing bacteria (SOB) create very acidic conditions (pH < 1) by producing sulfuric acid as an end product of their metabolism, while other...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... of an anode (which liberates electrons and corrodes typically by metal dissolution and/or metal oxide formation) and a cathode (which gains electrons and typically liberates hydrogen to the electrolyte and/or reduces oxides). Both reactions at the anode and cathode must proceed simultaneously for galvanic...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... reaction is referred to as couple action, and the electrically coupled system is known as a galvanic cell. The couple consists of an anode (which liberates electrons and corrodes typically by metal dissolution and/or metal oxide formation) and a cathode (which gains electrons and typically liberates...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
.... The palladium (Pd) was used to sputter coat the specimen prior to putting it in the SEM to make it conductive and suitable for analysis. Other people use graphite or gold. Graphite has the obvious limitation that if you are looking for carbon, it confuses the issue. Gold also has many peaks that are at the same...
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
..., the plastic is dissolved away, and the carbon replica, supported on a copper grid, is coated with gold or palladium applied at an angle to the surface to create contrast shadowing. Fig. 11 Scanning electron microscope view of the fracture surface of a low-carbon steel specimen broken in tension...
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
..., is coated with gold or palladium applied at an angle to the surface to create contrast shadowing. Fig. 11 SEM view of the fracture surface of a low-carbon steel specimen broken in tension, showing ductile dimples, local quasicleavage, and manganese sulfide inclusions Fig. 12 Replicas...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006769
EISBN: 978-1-62708-295-2
.... However, in this instance, the metal atoms are not removed from the source by evaporation but rather by bombardment from heavy argon ions in a manner analogous to sand blasting. In sputter coating, the sample is placed in a vacuum chamber beneath a metallic target, usually of gold, platinum, palladium...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
... and Appearances of Ductile and Brittle Fracture in Metals,” in this Section of this Volume. Fig. 9 Dimpled rupture created by microvoid coalescence in a quenched and tempered steel. Note the presence of carbide particles in the bottom of several dimples. Palladium shadowed two-stage carbon replica...