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aluminum composites

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0049838
EISBN: 978-1-62708-222-8
... Abstract An electron probe microanalyzer was applied to the study of service failures (due to severe heating) of aluminum wire connections in residential electrical circuits. Perturbed regions in which the composition underwent a change during the failure were revealed by optical and scanning...
Image
Published: 15 January 2021
Fig. 46 Composite micrograph showing the grain structure of aluminum alloy 7075-T6 plate. Source: Ref 8 More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001123
EISBN: 978-1-62708-214-3
... by chemical analysis. The valves were specified to withstand a maximum pressure of 1030 kPa (150 psi). Results of chemical analysis Table 1 Results of chemical analysis Element Composition, % Specified Actual Aluminum 3.5–4.3 5.5 Zinc bal 94.5 Copper 0.25 (max) 0.044...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001829
EISBN: 978-1-62708-241-9
... with that in the spalled area, the concentration of aluminum in the bond coat was also decreased to 2 to ~3 wt.% and that of tungsten was increased to 3 to ~5 wt.%. Based on these findings, the chemical composition of substrate as well as the spallation of top coat can affect diffusion, including the rate of aluminum...
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
... of metals composition in failure analysis work. If the milling to obtain chips for analysis is done in a machine shop where other machining is done, it may be necessary to set up a protective “tent” (for example, out of aluminum foil) around the chips being collected, to prevent contamination by airborne...
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
... with a carbide compound, providing it with a heat-resistant material where temperatures are extremely high. Second, pistons could be of an aluminum-graphite or aluminum-boron composite, eliminating surface melting because pure aluminum has a melting point 200 F higher than the interdendritic material...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
... Composite Hoop-Wrapped Cylinders, Research and Special Programs Administration, Department of Transportation , Fed. Reg. , Vol 59 , ( No. 142 ), 1994 , p 38028 10. Sperling E.J. and Warke W.R. , Metal Induced Cracking of Aluminum Alloy Piping , PVP , Vol 288 , Service Experience...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046022
EISBN: 978-1-62708-217-4
... attachment fitting forged from aluminum alloy 2014-T6. The component cracked during straightening, then fractured in service Investigation The fitting was analyzed spectrographically and found to be within the required composition limits for aluminum alloy 2014. Visual examination revealed a brown...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001029
EISBN: 978-1-62708-214-3
... The actuator castings were manufactured per AMS 4218, class 2, grade C and were not 100% radiographically inspected. The chemical composition requirements for A356 aluminum alloy were met (nominal composition, Al-7.0Si-0.35Mg). Visual Examination of General Physical Features One of the as-received...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
.... , “ Sustained-Load-Cracking Behavior of DOT 3 AA6061 and 6351 Aluminum Cylinder Neck and Shoulder Materials ,” report submitted to U.S. Department of Transportation , 1988 10. Roberts A.I. , Safety Advisory; High Pressure Aluminum Composite Hoop-Wrapped Cylinders, Research and Special Programs...
Image
Published: 01 January 2002
Fig. 1 SEM image of flaky metallic contaminants determined to be a mix of steel and aluminum particles by backscatter mode image. (a) Secondary electron imaging mode where particles are not distinguished by composition. (b) Image from backscatter mode, which shows the lower atomic number More
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
... composition of the sand-cast component was identified via optical emission spectroscopy and is comparable to an aluminum sand-cast alloy, AA 712.0. Metallographic evaluation via optical microscopy and scanning electron microscopy revealed a high degree of porosity in the microstructure as well as the presence...
Image
Published: 01 December 2019
Fig. 5 Composition changes by EDS across bond/substrate interface (a) 721ES, (b) welded, and (c) normal region of inner root area, (d) Aluminum line profile of (a) to (c) More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0090974
EISBN: 978-1-62708-235-8
... fracture through inclusion troughs. Fracture had apparently occurred below the ductile-to-brittle transition temperature for this material. The molybdenum, cobalt, and vanadium all exceeded the specification limits, and the sulfur content was near the maximum allowable. The aluminum content...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001760
EISBN: 978-1-62708-241-9
.... References References 1. Aluminium and Aluminium Alloys - Castings - Chemical Composition and Mechanical Properties , Standard No. DIN-EN-1706( 1998 ) 2. AlSi9Cu3 Aluminum Alloy Permanent Mold Casting Alloy Material Specification , Standard No. IK-150-11-1-0014 ( 2007 ) 3. Test Method...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001020
EISBN: 978-1-62708-214-3
... <0.005 … Total impurities … 0.05 (max) (a) From Key To Aluminum Alloys, Designations, Compositions, Trade Names of Aluminum Materials , 1st ed., W. Hufnagel. Ed., aluminum-Zentrale, July 1982. (b) Plus ziroconium Corrosion Deposits Comparative energy-dispersive spectroscopy...
Image
Published: 01 January 2002
Fig. 2 Fracture profiles. (a) Fracture profile generated from the fracture surface of a metal-matrix composite containing alumina fibers distributed in the matrix of an aluminum alloy. (b) Fracture profile generated from the fracture surface of a tensile test specimen of low-alloy steel. (c More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001120
EISBN: 978-1-62708-214-3
... Abstract A segment from a premium-quality H13 tool steel die for die casting of aluminum failed after only 700 shots. The segment was subjected to visual, macroscopic, hardness, and metallographic testing. The investigation revealed that failure occurred as a result of fatigue at an electrical...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... by the returning waves are detected using a laser interferometer ( Fig.19 ). Systems currently in use for advanced composite inspection applications utilize a neodymium-doped yttrium aluminum garnet (Nd-YAG) laser configured as a confocal Fabry-Perot laser interferometer as a demodulator to detect surface...
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...