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beryllium-copper alloys

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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001083
EISBN: 978-1-62708-214-3
... Abstract Copper alloy (C83600) impellers from two different feed pumps that supplied water to a 2-year-old boiler failed repeatedly. Examination by various methods indicated that the failures were caused by sulfide attack that concentrated in shrinkage voids in the castings. Two alternatives...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001543
EISBN: 978-1-62708-218-1
... Table 1 Compositions of Crown Deposit and Piston No. 1 Element Deposit, % Piston, % Manganese 0.03 nil Silicon 6.10 6.50 Chromium nil — Nickel 0.50 0.32 Zinc 0.17 nil Magnesium 0.59 0.59 Copper 0.06 0.04 Iron 0.43 0.11 Titanium 0.06 — Beryllium...
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
... metals to ceramics. Procedures for brazing various materials such as cast irons, steels, stainless steels, heat-resistant alloys, aluminum alloys, titanium alloys, copper alloys, reactive and refractory metals, and carbon and graphite are described in Welding, Brazing, and Soldering , Volume 6...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... manifestation of a subsequently widespread problem. The strut housings were forged from aluminium alloy 7079, heat treated to the T6 temper, shot peened and anodized in sulphuric acid. Fig. 4 a: Failed shock strut assembly: (A) indicates the eye-bolt with beryllium copper bushing and (B) the eye-bolt...
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
... analysis from representative section of component Element Wt.% Aluminum Remainder Zinc 5.22 Magnesium 0.63 Chromium 0.41 Iron 0.26 Manganese 0.01 Silicon 0.09 Copper 0.58 Titanium 0.27 Nickel <0.01 Lead <0.01 Tin <0.01 Beryllium <0.01...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001365
EISBN: 978-1-62708-215-0
... and photographic documentation. Figs. 6 show the typical impeller microstructure from an area without damage at two different magnifications. The microstructure consisted of tempered martensite, alloy carbides, and ferrite plus some nonmetallic inclusions. Fig. 6 Photomicrographs showing the typical...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
... SPECTROSCOPY is generally accepted as the most useful ancillary technique that can be added to any scanning electron microscope (SEM), even to the point of being considered a necessity by most operators. Modern x-ray spectrometers allow detection of elements down to beryllium ( Z = 4). In most applications...
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
... the intended function is decreased. The article addresses factors that may cause failures in castings for each metal type, starting with gray iron and progressing to ductile iron, steel, aluminum, and copper-base alloys. It describes the general root causes of failure attributed to the casting material...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... the degradation of various protective systems, such as corrosion inhibitors and lubricants. The article describes the failure analysis of steel, iron, copper, aluminum, and their alloys. It also discusses the probes available to monitor conditions relevant to MIC in industrial systems and the sampling...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... particles or remelted metal deposited on surface Electrical Conductivity change Magnetic change Resistive heating or overheating During conventional metal removal of chips from beryllium alloys, mechanical twins frequently form during plastic deformation and shear of the microstructure...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... requirements for carbon, manganese, phosphorus, sulfur, silicon, and when specified, copper, while HSLA A572 has requirements for carbon, manganese, phosphorus, sulfur, silicon, and depending on the type, the low-alloying elements of niobium, vanadium, and titanium in the 0.005 to 0.15 wt% range ( Ref 3 , 4...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... of the applied load correctly anticipated in the design of the part? Were repeated or cyclic loadings involved? What was the direction of the principal stress relative to the shape of the part? Were residual stresses present to an undesirable degree? Material. Was the recommended alloy used? Were its...
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
..., or combinations thereof. Possible root causes also include design mistakes such as inadequate stress analysis, alloy selection, improper mechanical/thermal processing, improper assembly, and failure to accommodate an adverse operating environment. Fractography provides a unique tool to determine potential causal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
..., alloy selection, improper mechanical/thermal processing, improper assembly, and failure to accommodate an adverse operating environment. Fractography provides a unique tool to determine potential causal factors, such as: Whether a material was used above its design stress Whether the failed...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... is typically designed so that it outlasts the lifetime of the screw. To accomplish this, the barrel is coated with a wear-resistant inner surface, either by nitride or bimetallic alloying. The barrel must be structurally rigid to prevent sagging/deflection and must also be able to withstand pressures up to 69...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9