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alloy composition

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090959
EISBN: 978-1-62708-222-8
... at the same hardness level than is lower bainite. The observed structure suggests that the austempering heat treatment was performed too close to the nominal martensite start temperature (M s ). Alternate bands of slightly different alloy composition, which resulted from rolling practice and are not unusual...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048620
EISBN: 978-1-62708-225-9
... impurities, such as lead, tin, or cadmium. This composition problem with zinc alloys was recognized many years ago, and particular attention has been directed toward ensuring that high-purity zinc is used. This corrective measure reportedly resulted in virtual elimination of this type of defect...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001107
EISBN: 978-1-62708-214-3
... of the liner material was performed using scanning electron rricroscopy/energy-dispersive spectroscopy Results indicated that the alloy composition was representative of alloy 800. X-ray diffraction analysis indicated that the carbides were primarily chromium based (Cr 23 C 7 and Cr 7 C 3 ). The sooty...
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
... prematurely at 180 and 200 N . m (1600 and 1800 lbf . in.), respectively. 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...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001330
EISBN: 978-1-62708-215-0
...Alloy analyses of failed tube sections Table 1 Alloy analyses of failed tube sections Composition, % Element Tube 1 Tube 2 ASTM A192 specification C 0.11 0.12 0.06 to 0.18 Mn 0.49 0.46 0.27 to 0.63 P 0.006 <0.005 0.035 max S 0.026 0.25 0.035...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001344
EISBN: 978-1-62708-215-0
... within a few hours after caustic regenerant leaked into the boiler feedwater system. A portion of the tubing was chemically analyzed by optical emission spectroscopy (OES) to determine the alloy composition. Table 1 indicates that the tube was in compliance with the chemical requirements of ASTM...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001775
EISBN: 978-1-62708-241-9
... of the local chemical composition and microsegregation at grain boundaries. Chemical composition of the alloy was determined by transmission spectroscopy on an appropriate specimen sectioned from the tube. Microstructural analysis and determination of the crack propagation mode were performed by light optical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091330
EISBN: 978-1-62708-234-1
... was then replaced by alloy 686 plate (N06686) welded with 686 CPT. Though the original materials are recognized for their resistance to corrosion and heat, the 686 alloy composition has superior pitting resistance as indicated by higher PREN (pitting resistance equivalent number) values according to several...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001727
EISBN: 978-1-62708-225-9
... vehicle failed at Cape Kennedy ( Fig. 2 ). They were made of 17-4 PH in the H900 condition — a martensitic, age-hardening alloy. In the H900 condition (solution treated and aged 1 hr at 900 F), the material had nominal strengths of 180,000 psi yield and 200,000 psi tensile. The alloy's composition: 0.07 C...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... Abstract High-temperature corrosion can occur in numerous environments and is affected by various parameters such as temperature, alloy and protective coating compositions, stress, time, and gas composition. This article discusses the primary mechanisms of high-temperature corrosion, namely...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001085
EISBN: 978-1-62708-214-3
.... A polished metallographic mount of the impeller was subjected to EDS. Figures 8 and 9 present the two scans of the material, as well as the approximate alloy constituents of both the base metal and the weld metal. The scans show that the casting was welded with a weld material similar in composition...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001046
EISBN: 978-1-62708-214-3
... compositions are given in Table 1 . Also included in Table 1 are compositions for Inconel alloys 601, 617, and 690 and type 347 stainless steel, which were included in the laboratory testing (discussed below). Typical chemical compositions of alloys tested Table 1 Typical chemical compositions...
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
... pin during landing and ground maneuvering of the aircraft and during gear retraction and extension. Although this particular aluminum alloy is not commonly encountered in the U.S., its microstructure and fracture response seem consistent with its chemical composition. There is some question...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001579
EISBN: 978-1-62708-226-6
... 18 Chromium — 14 Nickel — 2.5 Molybdenum Stainless Steel Bar and Wire for Surgical implant (UNSS31673).” In accordance with the requirements reported in the standard specification, the stainless steel used to fabricate the plate was analyzed to determine the alloy composition and the morphology...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001827
EISBN: 978-1-62708-241-9
... of attack occur and their severity are shown in Fig. 2 . Fig. 2 Regimes of high-temperature attack; temperatures are approximate [ 1 ] Various parameters may affect the development of these two forms, including alloy composition, thermomechanical conditions, gas composition and velocity...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001638
EISBN: 978-1-62708-228-0
... S. The rate of sulfidation is influenced by such variables as the alloy composition, exposure time, partial pressures of H 2 and H 2 S, and temperature. Concentrations of H 2 S as low as 1 ppm have been known to cause sulfidation. 1 The effluent stream from the furnace is not expected to contain...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001337
EISBN: 978-1-62708-215-0
... of the superheater tube was chemically analyzed by optical emission spectroscopy (OES) to confirm the alloy composition. The results, given in Table 1 , indicate that the tube met the compositional requirements for ASTM A209 Grade Tl superheater tubing. The superheater tube as-submitted had a nominal outer...
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
... Abstract High temperature corrosion may occur in numerous environments and is affected by factors such as temperature, alloy or protective coating composition, time, and gas composition. This article explains a number of potential degradation processes, namely, oxidation, carburization...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001719
EISBN: 978-1-62708-231-0
... the lubrication has failed and liquid copper penetrates at the grain boundaries resulting in catastrophic faiure due to LME. Experience has determined that the alloy composition used for this application is correct for other engineering factors related to load and wear. The solution to these failures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001712
EISBN: 978-1-62708-234-1
... 4.76 1C 0.434 4.90 4.67 1F 0.408 4.84 4.76 3D 0.428 4.58 4.57 3C 0.456 4.62 4.62 3F 0.436 4.57 4.57 Chemical analysis was performed on the roll bodies and the roll ends to confirm alloy composition. These are shown in Table 2 . Analysis on bulk samples...