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recrystallization

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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
... (1200 °F). 1 Fig. 1 Reactor catalyst basket Abstract Abstract A heavily worked 304 stainless steel wire basket recrystallized and distorted while in service at 650 deg C (1200 deg F). This case study demonstrates that heavily cold worked austenitic stainless steel components can...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001244
EISBN: 978-1-62708-224-2
... fractures. The fracture probably was induced by the pressing-in or abrading of the sharp steel band edges into the surface of the cross bars. Torsion fatigue fractures may have started from these notches. Relaxation then contributed positively through recovery and recrystallization. Such damage occurs less...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0048035
EISBN: 978-1-62708-224-2
... of the rope. Recrystallization of the steel was revealed during microscopic examination of the wires adjacent to the break which indicated that the wires had been heated in excess of 700 deg C (1292 deg F). The tensile strength of the wires in the rope that broke was 896 MPa whereas the specification required...
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
..., and x-ray diffraction. It was shown that degradation is driven by chemical and mechanical differences, oxide growth, depletion, and recrystallization, the combined effect of which results in exfoliation, spallation, and mechanical thinning. turbine vanes thermal degradation high-temperature...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001793
EISBN: 978-1-62708-241-9
... metal NA 0.84 1.64 NA NA 0.023 0.059 0.042 0.11 0.14 0.013 The pipe microstructure consisted of recrystallized grains of ferrite with pearlite islands, as well as the wire spacer microstructure. The weld metal consisted mainly of acicular and proeutectoid ferrite. Both heat affected...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
... Andres C. , Salvador M.D. : Influence of microalloying elements on recrystallization texture of warm-rolled interstitial free steels . Mater. Trans. 51 ( 4 ), 625 – 634 ( 2010 ) 10.2320/matertrans.MG200909 17. Motohashi Y. , Ryukhtin V. , Takaaki S. , Saroun J...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047199
EISBN: 978-1-62708-234-1
... fabricated from material 1 (extruded stock) in the as-received (T6) temper is shown in Fig. 1(b) . The metal had an interior structure composed of highly deformed elongated grains (micrograph A, Fig. 1 ) and a thin, partly recrystallized grain structure at the surface (micrograph B, Fig. 1 ). The yield...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001108
EISBN: 978-1-62708-214-3
... Surface Layers Tensile Properties The perforations detected only in the curved parts of the pigtails were caused by through-thickness intergranular cracking. The cracks initiated at the outer surface of the tubing by interconnection of grain-boundary creep voids due to in-service recrystallization...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001264
EISBN: 978-1-62708-215-0
... welds located on the inside of the plate section between the first and second screw holes. The plate material was recrystallized by the heat of welding, causing a severe loss in strength that led to low-cycle fatigue failure. Manufacturers should never attempt to salvage this type of critical device...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047080
EISBN: 978-1-62708-235-8
... that the as-received tubes possessed numerous stress raisers in the inner surface. Macroetching revealed that the structure of the tubes had recrystallized in heat treatment. The macrostructure of the straight sections was uniformly fine grained. In the bends, there were exceedingly large grains, in some cases...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... is usually required from the cast ingot to the billet. Hot working can partially correct the results of segregation by recrystallizing or breaking up the grain structure to promote a more homogeneous substructure. Initial working first causes flow in the weaker matrix (interdendritic) regions and tends...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0060154
EISBN: 978-1-62708-234-1
... of the crack paths linking some of the larger fissures, however, did reveal local areas having grains that were much smaller than those of the header metal. The presence of these very small grains could only be the result of cold deformation and subsequent recrystallization at elevated temperatures. Therefore...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001340
EISBN: 978-1-62708-215-0
... microstructure along the coldside of tubes 3 and 4 showing small colonies of lamellar pearlite in a ferrite matrix 2% nital etch. 244× Fig. 6 Cross-section through a fissure lip from tube 4.Note the preponderance of subgrains in the ferrite matrix due to distortion and recrystallization. The carbides...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... considerable plastic deformation and total elongation, implying dynamic recrystallization. In contrast, TG fracture frequently exhibits severely elongated grains in the vicinity of the fracture, that is, no recrystallization. Severely distorted annealing twins and deformation bands in face-centered cubic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001819
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
... no distinct beginning. Tertiary creep refers to the region of increasing rate of extension that is followed by fracture. Principally, it may result from metallurgical changes, such as recrystallization under load, that promote rapid increases in deformation, accompanied by work hardening that is insufficient...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001112
EISBN: 978-1-62708-214-3
... temperature falls below its recrystallization temperature so that the web may undergo cold working while the flange is being hot worked. The yield and tensile strengths of the flange of the current I-beam were found to be lower than those of the web. There was little difference between the carbon content...
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
... sizes can be produced in casting, forging, and other high temperature processes. Subsequent heat treatment of cold worked steels can result in recrystallization to finer grains with reduced hardenability. Recrystallization and grain growth of steel can result in significantly higher hardenability due...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001162
EISBN: 978-1-62708-220-4
... of the tubes. In all the specimens the grains are polyhedral and show no signs of cold deformation because the recrystallization temperature of tin is below room temperature. No grain boundary precipitates could be detected in the microscope. Fig. 1 Tin tube which cracked on bending (longitudinal...