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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 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...
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
... 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 region on the strut housing. b: The dotted line indicates the extent...
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
... 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 0.001 — While molten, some aluminum in the piston oxidized, forming aluminum oxide, Al 2 O 3...
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
... X-RAY 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...
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
... in this examination, EDS cannot detect the elements hydrogen, lithium, beryllium, boron, carbon, nitrogen, or oxygen. The results of this type of analysis indicate the relative amounts of the elemental constituents. The results of the quantitative compositional analysis of the impeller material are presented...
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
... 1 OES chemical 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...
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
... 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. These twins form a dense, intersecting network with grain-boundary microcracks that damage the surface...
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
... 1040–1095 1900–2000 980–1040 1800–1900 Group II alloys Beryllium copper C81400 1175–1220 2150–2225 1220–1260 2225–2300 C82000 1175–1230 2150–2250 1120–1175 2050–2150 C82400 1080–1120 1975–2050 1040–1080 1900–1975 C82500 1065–1120 1950–2050 1010–1065 1850–1950...
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
... to join 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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... of the structural carbon steel ASTM A36 and the high-strength, low-alloy steel (HSLA) ASTM A572. The A36 structural steel has chemical requirements for carbon, manganese, phosphorus, sulfur, silicon, and when specified, copper, while HSLA A572 has requirements for carbon, manganese, phosphorus, sulfur, silicon...
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.a0003556
EISBN: 978-1-62708-180-1
.... It discusses 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...
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
...-conductivity copper bar prestrained in torsion to a shear strain of 4. 3×. Source (b): Ref 26 Surface roughness and optical reflectivity also provide qualitative clues to events associated with crack propagation. For example, a dull/matte surface indicates microscale ductile fracture, while a shiny...
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
...-conductivity copper Fig. 52 Portion of a fracture surface in a Ti-6Al-4V alloy. (a) Low-magnification (35.5×) image showing a striated structure in the facet near the center of the photograph. (b) Higher-magnification (1420×) view of the facet. (c) Same region as in (b) after etching with 0.5...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001492
EISBN: 978-1-62708-235-8
...Abstract Abstract Electroless nickel plating separation from copper alloy CDA175 retaining clips used on printed circuit boards was caused by a copper oxide layer that reduced adhesion of the nickel plating on the clips. Stresses that developed during module insertion caused flaking to occur...