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recrystallization

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Published: 01 June 2019
Fig. 4 Cold deformation and recrystallization under a groove. Longitudinal section, etch: Nital. 100 × More
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Published: 01 December 2019
Fig. 2 Evolution of recrystallization kinetics during the finishing passes of steels with and without Nb More
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Published: 01 January 2002
Fig. 26 Specimen surface of recrystallized titanium at fracture edge. Specimen was fatigued at a stress of 600 MPa (87 ksi) in air. Twinning, wavy glide deformation, and grain-boundary distortion are visible on this relatively heavily loaded specimen. Polarized light. 330× More
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
... 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 experience large losses in creep strength, and potentially...
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Published: 01 December 2019
Fig. 4 Microstructures observed by means of optical microscopy: ( a ) wire spacer, consisting of recrystallized ferrite–pearlite grains; ( b ) HAZ between wire spacer and weld metal consisting of partially recrystallized ferrite grains; ( c ) weld metal composed of proeutectoid and acicular More
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
.... 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 it to be 1724 MPa...
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
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...
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Published: 01 January 2002
Fig. 31 Relative workability of coarse-grained cast materials and wrought-and-recrystallized metals as a function of temperature. The melting point (or solidus) is denoted as MP c (cast) or MP w (wrought). More
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Published: 01 January 2002
Fig. 37 Various types of intergranular corrosion. (a) Interdendritic corrosion in a cast structure. (b) Interfragmentary corrosion in a wrought, unrecrystallized structure. (c) Intergranular corrosion in a recrystallized wrought structure. All etched with Keller's reagent. 500× More
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Published: 01 January 2002
Fig. 18 A plot of [ K Ic ] 2 versus the area fraction of the fracture surface in the plastic zone through the unrecrystallized regions containing subgrains for two sets of specimens of partially recrystallized 7050 Al alloy ( Ref 48 ) More
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Published: 01 December 1993
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 have completelyspheroidized with no evidence of lamellar pearlite. 2% nital etch. 244× More
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Published: 15 January 2021
Fig. 37 Various types of intergranular corrosion. (a) Interdendritic corrosion in a cast structure. (b) Interfragmentary corrosion in a wrought, unrecrystallized structure. (c) Intergranular corrosion in a recrystallized wrought structure. All etched with Keller’s reagent. Original More
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Published: 01 January 2002
generated due to the nucleation and growth of void(s) around the constituent particles present in the recrystallized grains. More
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Published: 30 August 2021
Fig. 12 Typical microstructures of carbon steel boiler tube that ruptured as a result of rapid overheating. (a) Elongated grains near rupture resulting from rapid overheating below the recrystallization temperature. (b) Mixed structure near rupture resulting from rapid overheating between Ac 1 More
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Published: 01 January 2002
Fig. 10 Typical microstructures of 0.18% C steel boiler tubes that ruptured as a result of rapid overheating. (a) Elongated grains near tensile rupture resulting from rapid overheating below the recrystallization temperature. (b) Mixed structure near rupture resulting from rapid overheating More
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Published: 01 January 2002
Fig. 23 Free surface replica showing the development of fatigue-surface damage on recrystallized type 316LR stainless steel in aerated Ringer's solution at 38 °C (100 °F), at applied stress of 250 MPa (35.5 ksi). (a) The first visible slip systems developed at a triple point (decorated More
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
... 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 zones (HAZ) presented microstructures of partially recrystallized ferrite. Figure...
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
... 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 strength...
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
... Microstructure of material adjacent to the weld and at the fracture surface shown in Fig. 4 . 122×. The structure shown in Fig. 7 is recrystallized austenite. This structure was adjacent to the welds and at the fracture surface and was the direct result of repair welding, which created an annealed...