1-20 of 115 Search Results for

ferritizing annealing

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001198
EISBN: 978-1-62708-221-1
...) Eliminate the grooves; 2) Remove the ferritic bright border; 3) Avoid undercooling in the mold and therefore the formation of granular graphite; 4) Inoculate with finely powdered ferrosilicon into the melt for the same purpose; and, 5) Anneal at lower temperature or eliminate subsequent treatment...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001213
EISBN: 978-1-62708-220-4
... cold-forming and led to damage by stress corrosion. This would have been the correct method for a ferritic steel, but not austenitic steel, which requires the special heat treatment indicated. When an anneal in the critical region is unavoidable and the indicated additional treatment is impossible...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001258
EISBN: 978-1-62708-235-8
... with higher decarburization. Such a region is reproduced in Fig. 6 . Surrounding the ferritic region in the surface structure, a ring of lamellar pearlite is seen, which turns into the granular annealed structure towards the core. Fig. 6 Decarburized region at wire fracture, transverse section, etch...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0065826
EISBN: 978-1-62708-233-4
..., failed after a week by transgranular SCC. Annealed type 430 ferritic stainless steel was subsequently suggested to prevent further failures. Basic oxygen furnaces Materials selection Precipitator wires 304 UNS S30400 430 UNS 54300 1008 UNS G10080 Corrosion fatigue Stress-corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091402
EISBN: 978-1-62708-234-1
..., then a subsurface pearlitic zone with about twice the thickness of the ferrite zone, and a ferritic malleable microstructure in the interior of the specimen ( Fig. 1c ). Examination of the micrographs ( Fig. 1b and c ) indicated that the elbows had been given the usual annealing and normalizing treatment...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001263
EISBN: 978-1-62708-224-2
... steel quality St 37-2 N, a steel with about 0.5% C had been used. The microstructure with the coarse ferrite network indicated that the forged eye bolt had been normalized either at too high a temperature or not at all. In any case the anneal at 900 deg C produced a considerably more finely grained...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047343
EISBN: 978-1-62708-236-5
...Abstract Abstract An experimental high-temperature rotary valve was found stuck due to growth and distortion after approximately 100 h. Gas temperatures were suspected to have been high due to overfueled conditions. Both the rotor and housing in which it was stuck were annealed ferritic ductile...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001184
EISBN: 978-1-62708-235-8
...Abstract Abstract Examples of metallic inclusions in steels of various types are presented. The structure of an inclusion in an annealed Fe-1C-1.5Cr steel consisted of ferrite with lamellar pearlite. The carbon content of the inclusion was therefore considerably lower than that of the chromium...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
... grades of ferritic stainless steels have nominal Cr contents of 12, 17, and 27% corresponding to alloys 405, 430, and 446, respectively ( Fig. 3 ). The carbon (C) content is 0.12% maximum for alloy 430. This steel is normally supplied in the annealed condition and, with the exception of the rapid cooling...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001073
EISBN: 978-1-62708-214-3
... indicated that it was in the as-rolled or normalized condition; the softer replacement sprocket had been annealed (see Table 1 ). The lower hardness and poorer wear of the replacement sprocket was due to the smaller amount of pearlite in its microstructure. Hardness properties of selected carbon steels...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001336
EISBN: 978-1-62708-215-0
... pipes were not solution annealed after forming. The new vendor had incorrectly ascertained that their new-generation forming equipment would not cold work the pipe outer bends enough to form martensitic areas. The austenite-ferrite microstructurally induced galvanic corrosion because of the unique joint...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001581
EISBN: 978-1-62708-235-8
... solution annealed 1 1.004 304 85% cold worked 2 3.0 to 5.0 305 85% cold worked 1 1.142 Grade CF8 castings (Type 304) 3 Solution annealed with 1.8% Delta Ferrite 1.150 Solution annealed with 8.0% Delta Ferrite 1.659 Room temperature tensile testing of new, returned...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048787
EISBN: 978-1-62708-235-8
.... The normal microstructure of 1541 steel for the specified heat treatment was annealed ferrite and pearlite. The chemical composition was normal for 1541 steel. No steelmaking or tubemaking defects were found in the specimen. Cracking of the top of the fire-extinguisher case was the result of ferrite...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... transformation temperature for austenite formation, Ac 3 , also depends on starting microstructure. Figure 7 shows experimentally measured Ac 3 temperatures for 4130 steel with three starting microstructures produced by annealing (ferrite and widely dispersed carbides) or by quenching and tempering at either...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001241
EISBN: 978-1-62708-235-8
... as they can always generate in annealing boxes or protective gases with small amounts of air or moisture present. How does a skin decarburisation become evident to a metallographer? It can go so far that the carbon has completely disappeared at the outer edge. After DIN 17 014 this state is called...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001471
EISBN: 978-1-62708-221-1
.... In order to determine whether heat treatment would have any appreciable effect on the notch-brittle behaviour of this material a specimen was cut from the intrados of the hook and subjected to a sub-critical anneal at 650° C. for one hour. It was then notched and when tested by slow bending deformed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001142
EISBN: 978-1-62708-228-0
... of the ferrite and pearlite which were somewhat elongated as shown in Fig. 7 . The remained plastic deformation was observed owing to insufficient annealing. As the distance from the fracture increased, the network of the ferrite and pearlite was observed in the other five specimens. The microstructure...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001286
EISBN: 978-1-62708-215-0
... specified to a 5 mm (0.20 in.) radius, except the failed fillet, which was specified to a 6.4 mm (0.25 in.) radius. The cast brake disc was specified to be an ASTM A395 60-40-18 ductile iron casting with a subsequent anneal heat treatment. A mostly ferritic microstructure with no massive carbides...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001188
EISBN: 978-1-62708-235-8
... examination showed the dark incipient crack was present before the last heat treatment and was oxidized and decarburized prior to the conclusion of the annealing process. The crack ran perpendicular to the fiber, so it was not formed before or during forging. It was a thermal stress crack produced during...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0089682
EISBN: 978-1-62708-230-3
... to be low. Investigation (visual inspection, and micrographs of sections with electrolytic etching using 10 N KOH and then again after re-polishing and etching with Murakami's reagent) supported the conclusions that the casting never received a proper solution anneal. Recommendations included possible...