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thermomechanical treatment

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004003
EISBN: 978-1-62708-185-6
... aerospace and automotive applications due to their high strength-to-density ratio, good hardenability, excellent fatigue performance, and crack-propagation resistance. Their high strength comes from a two-step heat treatment that comprises solid-solution treatment followed by aging to precipitate fine alpha...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003995
EISBN: 978-1-62708-185-6
... shows that the reheating, rough rolling, and finish rolling all occur at the highest possible temperatures. The primary goal of conventional hot rolling is to optimize productivity. Fig. 2 Comparison of selected thermomechanical treatments based on critical austenite temperatures, transformation...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005409
EISBN: 978-1-62708-196-2
... alloys, with their corresponding equations. Microstructure modeling thermomechanical processing titanium alloys beta titanium alloys spheroidization coarsening particle growth phase decomposition heat treatment alpha-beta titanium alloys TITANIUM AND TITANIUM ALLOYS are widely used for...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005401
EISBN: 978-1-62708-196-2
.... Modeling of recrystallization and grain growth of single-phase beta or single-phase alpha titanium has a number of important industrial applications. These include the recrystallization and grain growth of alpha/beta and beta titanium alloys during heat treatment in the single-phase beta field (i.e., above...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003314
EISBN: 978-1-62708-176-4
... fatigue is essentially a gradual one with mechanisms varying more in degree than in kind. The region between low- and high-cycle fatigue is referred to as intermediate-cycle fatigue. With few exceptions, such as rolling-contact fatigue and influences of mechanical or metallurgical surface treatments...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005459
EISBN: 978-1-62708-196-2
... contents despite homogenization heat treatment. This may lead to an inhomogeneous distribution of δ precipitates, which translates into different grain growth kinetics and the formation of alternating bands of coarse and fine grains corresponding to zones in which there are few δ precipitates (dendrite...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002391
EISBN: 978-1-62708-193-1
... Abstract Structural alloys are commonly subjected to a variety of thermal and thermomechanical loads. This article provides an overview of the experimental methods in thermal fatigue (TF) and thermomechanical fatigue (TMF) and presents experimental results on the structural materials that have...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005962
EISBN: 978-1-62708-168-9
... thermomechanical treatment COPPER STEELS are precipitation-strengthened steels that are designed to have a unique combination of physical and mechanical properties ( Ref 1 , 2 , 3 , 4 ). These steels are also designated as iron-copper steels, copper-bearing steels, copper age-hardenable steels, copper...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006270
EISBN: 978-1-62708-169-6
... Abstract The response of titanium and titanium alloys to heat treatment depends on the composition of the metal, the effects of the alloying elements on the alpha-beta crystal transformation, and the thermomechanical processing utilized during processing of the alloy. This article provides a...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005994
EISBN: 978-1-62708-168-9
...) diagrams, thermomechanical processing technologies, and optimized cooling technologies. Direct heat treatment processes have also made significant contributions to product quality through piece-by-piece handling. Like DFQ processes, they eliminate the need for reheat treatment and reduce thermal energy and...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005950
EISBN: 978-1-62708-166-5
... exceptional cases with a discussion of further possibilities. Table 2 Required couplings for the simulation of several heat treatment processes Required couplings Heat treatment process Heating Quenching Carburizing Induction Tempering Temperature-dependent thermomechanical properties...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005819
EISBN: 978-1-62708-165-8
... structure ( Ref 14 ). In heat treatment, the processing is most often entirely thermal and modifies only structure. Thermomechanical treatments, which modify component shape and structure, and thermochemical treatments, which modify surface chemistry and structure, are also important processing approaches...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005978
EISBN: 978-1-62708-168-9
... Abstract The choice of heat treatment depends on the service requirements of a given bearing and how the bearing will be made. This article describes the design parameters, material characteristics required to sustain performance characteristics, metallurgical properties, and dimensional...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006277
EISBN: 978-1-62708-169-6
.../strain-carrying defects such as dislocations ( Ref 16 , 17 , 18 ), and, as a consequence, mechanical processing (plastic deformation) prior to heat treatment works effectively in altering α precipitation and the final α + β microstructures ( Ref 11 , 19 ). Thus, thermomechanical processes (TMPs...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006261
EISBN: 978-1-62708-169-6
... Abstract This article provides information on nickel alloying elements, and the heat treatment processes of various nickel alloys for applications requiring corrosion resistance and/or high-temperature strength. These processes are homogenization, annealing, solution annealing, solution...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006263
EISBN: 978-1-62708-169-6
... metal contamination metastable phases quenching solution treatment titanium alloys THE PROPERTIES OF TITANIUM ALLOYS are governed by chemistry and micro/macrostructure, all of which are interrelated. Thermomechanical processing, which includes heat treatment, plays a major role in determining...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006265
EISBN: 978-1-62708-169-6
... Abstract This article describes the heat treatment of wrought solid-solution and precipitation-hardening alloys with a focus on the major families of wrought nickel alloys. It also provides information on the heat treatment of some representative solid-solution alloys in the Monel (Ni-Cu...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005941
EISBN: 978-1-62708-168-9
... Abstract This article presents an overview of common heat treating problems arising due to poor part design, material incapabilities, difficult engineering requirements, incorrect heat treatment practice, and nonuniform quenching with emphasis on distortion and cracking of quenched and tempered...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005963
EISBN: 978-1-62708-168-9
... Abstract This article provides a detailed discussion on the effect of boron in heat-treated steel and thermomechanically-simulated steel. It describes the boron hardenability mechanism and the effect of composition and heat treatment parameters on boron hardenability. The article examines the...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006125
EISBN: 978-1-62708-175-7
... enhancement, deformation processing is required as there are no known transformational strengthening mechanisms in conventional WHA systems. With proper postsinter treatment, WHAs can be processed for maximum ductility exceeding 40% EL or for maximum strength levels approaching 1800 MPa (260 ksi) with...