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Published: 30 August 2021
Fig. 100 Operation history since 2009. CS, carbon steel; PWHT, postweld heat treat More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001642
EISBN: 978-1-62708-235-8
... Abstract A plant had manufactured and heat treated their product in house for years. As time went on, the special steel that they had been using became more expensive, and a switch was made to a more common and less highly alloyed material. However, no change in hardness specifications were...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... during heat treating and describes the metallurgical sources of stress and distortion during heating and cooling. The article summarizes the effect of materials and the quench-process design on distortion and cracking and details the effect of cooling characteristics on residual stress and distortion...
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
... Abstract This article introduces some of the general sources of heat treating problems with particular emphasis on problems caused by the actual heat treating process and the significant thermal and transformation stresses within a heat treated part. It addresses the design and material factors...
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Published: 30 August 2021
Fig. 13 (a) Improperly heat treated spring vs. (b) properly heat treated spring (tempered martensite) and the resulting fracture surface morphologies More
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Published: 01 June 2019
Fig. 2 Fracture of ingot slice, heat treated. 10 × More
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Published: 01 June 2019
Fig. 6 Fracture of a specimen from crank arm, heat treated. 1 × Flaky edges of specimen oxidized during heat treatment. More
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Published: 01 June 2019
Fig. 1 Stress-corrosion cracking of a solution-treated and aged Ti-6Al-4V Apollo service propulsion system (SPS) fuel pressure vessel during a system checkout test. Fluid test medium was methanol. (a) Cross section adjacent to weld in cracked vessel. 65×. (b) Another crack near the same weld More
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Published: 01 January 2002
Fig. 4 A properly heat treated tool of manganese oil-hardening steel has a martensitic structure (left) containing fine tempered martensite and carbides. An overheated tool material has an acicular martensitic structure (right) that cracks easily (see Fig. 5 ). Etchant, Nital; 700X. More
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Published: 01 January 2002
Fig. 50 Stress-corrosion cracking of a solution-treated and aged Ti-6Al-4V Apollo service propulsion system (SPS) fuel pressure vessel during a system checkout test. Fluid test medium was methanol. (a) Cross section adjacent to weld in cracked vessel. 65×. (b) Another crack near the same weld More
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Published: 01 January 2002
Fig. 34 Microstructure of Mar-M-247 heat treated cast alloy for gas turbine components showing different sizes of γ′ particles. Electropolished and electroetched. Courtesy of Dr. J.F. Radavich, Micro-Met Laboratories More
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Published: 01 January 2002
Fig. 10 Surface residual-stress map of resistance welded, heat treated, and ground steel saw blade. Source: Ref 30 More
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Published: 01 January 2002
Fig. 15 Comparison of axial fatigue data for untreated and calcium-treated rolled ASTM A516 steel. 51 mm (2 in.) thick plates tested with alternating stress ratio of 0.1. Source: Ref 9 More
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Published: 01 January 2002
Fig. 16 Erosion rate of aluminum treated in different conditions (AQ: as-quenched; OA: over-aged; PH: peak-hardened; frequency = 20 kHz; distance between specimen and vibration horn = 1.25 mm; vibration amplitude = 40 μm; temperature = 15 °C; liquid: distilled water). Source: Ref 31 More
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Published: 01 June 2019
Fig. 7 Heat treated microstructure of saw blades, transverse section, etch: Nital. 500× More
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Published: 01 June 2019
Fig. 4 Fracture of a heat treated disk. 2 × More
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Published: 15 January 2021
Fig. 8 Increase in corrosion rate for steel treated with a corrosion inhibitor in carbon-dioxide-saturated 3% saline solution with addition of acetate. Source: Ref 52 . Reprinted with permission from NACE International More
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Published: 15 January 2021
Fig. 26 Hardness profile of treated and untreated compacted graphite iron (CGI). Source: Ref 36 More
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Published: 15 January 2021
Fig. 10 Surface residual-stress map of resistance-welded, heat-treated, and ground steel saw blade. Source: Ref 39 More
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Published: 15 January 2021
Fig. 34 Microstructure of Mar-M-247 heat treated cast alloy for gas turbine components showing different sizes of γ′ particles. Electropolished and electroetched. Courtesy of J.F. Radavich, Micro-Met Laboratories More