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Alloying elements

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
... spectrometer (MAXx LMM04, SPECTRO Analytical Instruments) was used to analyze the elemental breakdown of the alloy. The spectrometer uses the Spark Analyzer Vision Software and is well suited for applications like die cast or injection molding and for standard requirements in steel or non-ferrous foundries...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001754
EISBN: 978-1-62708-241-9
...Abstract Abstract The case study presented in this article details the failure investigation of an M50 alloy steel bearing used in a jet engine gearbox drive assembly. It discusses the investigative steps and analytic tools used to determine the root cause, highlighting the importance...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001595
EISBN: 978-1-62708-235-8
... property modification through heat treatment is hardenability. Hardenability is a term used to quantify the relative response of a material to thermal treatment transformation to martensite based upon alloying elements and other variables. Many researchers have empirically determined the individual...
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
..., uniform corrosion, pitting and crevice corrosion, intergranular corrosion, and velocity-affected corrosion. The article contains a table that lists combinations of alloys and environments subjected to selective leaching and the elements removed by leaching. corrosion crevice corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046995
EISBN: 978-1-62708-232-7
.... Recommendations included replacing the material with an alloy, such as RA 333, with a higher chromium content and with an additional element, like silicon, resistant to carburization-oxidation. Carburizing Heat treating furnaces Tubes Hastelloy X UNS N06002 RA 333 UNS N06333 High-temperature...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001238
EISBN: 978-1-62708-232-7
...Abstract Abstract Heating elements, consisting of strips, 40 mm x 2 mm, of the widely used 80Ni-20Cr resistance heating alloy, and designed to withstand a temperature of 1175 deg C, were rendered unusable by scaling after a few months service in a through-type annealing furnace, Although...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001575
EISBN: 978-1-62708-217-4
... of Cu alloy (AMS4845) bushings force fit into AA2024-T3 Al alloy spacing elements. It was found that uncontrolled fit interference between the two components had led to Cu alloy overstress. Thermal cycling under operating conditions yielded the material. The dilation was directed inward to the shaft...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001239
EISBN: 978-1-62708-232-7
...Abstract Abstract A coil made of a nickel-chromium alloy (Material No. 2.4869) with approx. 80Ni and 20Cr had burned through after a brief period of operation as a heating element in a brazing furnace. The protective atmosphere consisted of an incompletely combusted coal gas. Furnace...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0049796
EISBN: 978-1-62708-235-8
... by electrical heating of the bridgewire. Evidence of severe corrosion was revealed on examination of the nickel-chromium-iron alloy bridgewire and the nickel-iron alloy pins. Metallic elements in the pin or bridgewire and substantial amounts of chlorine were detected from the x-ray spectra. Morphological...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001784
EISBN: 978-1-62708-241-9
... Al, S concentrated sites as well as relatively uniform distribution of normal constituents such as Fe and O. Figure 12 shows EDS spectrum of a similar original (un-failed) socket manufactured with PM but have a better chemistry (i.e., contains alloying elements such as Ni and Cr). Obviously, Cr...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001606
EISBN: 978-1-62708-226-6
... to have failed by fatigue, a finite-element analysis of the implant design was undertaken. The commercial code ABAQUS was applied to calculate the linear elastic response of two distinctive types of fixation plates: one of austenitic stainless steel and the other of a titanium alloy. Fixation implant...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001024
EISBN: 978-1-62708-214-3
..., hollow 6061-T651 aluminum alloy extrusion and 26 fiberglass “pockets” that provided the trailing-edge airfoil shape. Visual examination of the fracture surface of the aluminum extrusion indicated fatigue crack growth followed by ductile overload separation. Examination of the fatigue fracture region...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001845
EISBN: 978-1-62708-241-9
...Abstract Abstract Two clamps that support overhead power lines in an electrified rail system fractured within six months of being installed. The clamps are made of CuNiSi alloy, a type of precipitation-strengthening nickel-silicon bronze. To identify the root cause of failure, the rail operator...
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
... overlapping weight percentages for similar elements as well as overlapping mechanical properties. In this case, other methods may be employed for alloy verification, or the results must indicate the potential that various alloys match the chemistry of the part. An example is the overlapping chemistry...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001529
EISBN: 978-1-62708-217-4
... elements) to preferentially partition into the liquid phase, which has higher solubility for alloying elements. This would leave a solute-depleted zone around the rosette, which has a lower density of hardening precipitates, thus causing this zone to etch less. Figures 7 and 8 reveal additional...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001250
EISBN: 978-1-62708-223-5
... to the right side of the picture is a broad segregation band. Here the zone-wise less powerful attack of the etchant is the result of the accumulation of alloying elements as well as of carbides in the segregation bands. The increased concentration of alloying elements makes these bands vulnerable...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001843
EISBN: 978-1-62708-241-9
.... and Wiegard H. , Electrical Contact Materials , Properties and Selection: Nonferrous Alloys and Special-Purpose Materials , Vol 2 , ASM Handbook , ASM International , 1990 , p 840 ­ 868 . 10.31399/asm.hb.v02.a0001097 The element tin has three crystalline forms: Grey (alpha) tin—cubic...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001824
EISBN: 978-1-62708-241-9
... base alloys (i.e., Incoloy 825 and Inconel 625), are used in an environment containing CO 2 and H 2 S. However, most of these alloys cannot be used in the presence of elemental sulfur, where the corrosion is expected to be very severe and special alloys such as Inconel 625 can be used [ 3 , 4...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001809
EISBN: 978-1-62708-241-9
.... The addition of iron acts as a grain refiner and also increases the yield strength [ 1 ]. The use of these three alloying elements creates a metallurgically complex alloy that needs to be strictly controlled to obtain all of the desired properties. Without the proper fabrication procedures, the corrosion...
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
.... , and Stringer J. , Influence of Alloying Elements on the Development and Maintenance of Protective Scales , Oxid. Met. , Vol 44 , 1995 , p 113 7. Shütze M. , Mechanical Properties of Oxide Scales , Oxid. Met. , Vol 44 , 1995 , p 29 8. Smith R.A. , Corrosion , 2nd ed...