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microstructural evolution

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004027
EISBN: 978-1-62708-185-6
... Fig. 1 General representation of the types of models for predicting microstructure evolution during thermomechanical processing Fig. 2 Stress-strain curves and microstructural changes resulting from (a) work hardening and fast dynamic recovery and (b) work hardening, slow dynamic...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005414
EISBN: 978-1-62708-196-2
... for modeling recrystallized grain size Fig. 21 Control-volume approach for finite-element modeling of hot rolling Fig. 24 Framework of the integrated system Fig. 25 Flow-chart for modeling microstructural evolution Fig. 9 Stress-strain curves in double-hit compression...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005599
EISBN: 978-1-62708-174-0
... 1 , 33 Fig. 11 Schematic diagrams showing the microstructure evolution during multistage thermal processing of Al-Mg-Si alloys involving heat treatment and welding. AA, artificial aging; W, welding; PWHT, postweld heat treatment. The outer boundary of the heat-affected zone is indicated...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005406
EISBN: 978-1-62708-196-2
... , 1986 , p 7792 – 7794 12. Chen L.Q. , Phase-Field Models for Microstructure Evolution , Ann. Rev. Mater. Res. , Vol 32 , 2002 , p 113 – 140 13. Eiken J. , Böttger B. , and Steinbach I. , Multiphase Field Approach for Multicomponent Alloys with Extrapolation...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005218
EISBN: 978-1-62708-187-0
... interface morphology evolution, solute transport, and various process phenomena at spatiotemporal resolutions. It discusses the three viable imaging techniques made available by synchrotron radiation for the real-time investigation of solidification microstructures in alloys. These include two-dimensional X...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006304
EISBN: 978-1-62708-179-5
.../composition diagram. (b) Temperature/composition diagram. Source: After Ref 98 Fig. 31 Microstructures of lamellar and compacted graphite irons obtained through interrupted solidification. Growth of the austenite-graphite eutectic for iron cast in bars with diameters of 15 to 41 mm (0.6 to 1.6...
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
... lines) of microstructure evolution in Beta-Cez. (a) Isothermal transformation kinetics at 800 °C for material prior-beta worked to develop different subgrain sizes. (b) Number of colonies observed in a two-dimensional section as a function of time at 790 °C for material predeformed 25% in the beta-phase...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009002
EISBN: 978-1-62708-185-6
... Fig. 2 Discontinuous dynamic recrystallization (DDRX) in an initially rained nickel-base superalloy. (a) Initial stage of DDRX and (b) nearly fully recrystallized microstructure Fig. 11 Cellular-automata predictions for dynamic recrystallization. (a) Microstructure evolution and (b...
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
... normal, (b) viewed along the b -axis prism plane normal or β {110} plane normal; bcc, body-centered cubic Fig. 17 Two-dimensional phase field simulation of sample-size effect on (a) and (b) microstructure evolution and (c) grain-growth kinetics. The sample thickness is 192 (in reduced unit...
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
... and test temperatures of (a) 975 °C or (b) 1050 °C. Source: Ref 4 Fig. 10 Model algorithm for treating the evolution of a microstructure comprising initial grains and prior recrystallized grains. Source: Ref 6 Fig. 11 Model algorithm in which recrystallization is treated by focusing...
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
... plots ( Ref 34 ). The letters “A,” “B,” and “C” refer to the stored-energy distributions shown in Fig. 8(b) . MCS, Monte Carlo steps. Fig. 10 Monte Carlo-predicted dependence of microstructure evolution. (a) Initially wrought material. (b) After 100 Monte Carlo steps (MCS), assuming identical...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003742
EISBN: 978-1-62708-177-1
... texture are the key material features used in the continuous endeavor to relate the processing of a metal with its final properties. This article emphasizes several aspects of deformation microstructures, namely, microstructural evolution, dislocation boundaries, and macroscopic properties. It discusses...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005408
EISBN: 978-1-62708-196-2
... the main effects governing the evolution of microstructure and texture. The simulation tools used to model the evolution of microchemistry, microstructure, and texture upon deformation and recrystallization of aluminum alloys are described. The article discusses the recrystallization behavior of alloy AA...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004019
EISBN: 978-1-62708-185-6
...) Nearly fully recrystallized microstructure Fig. 29 Evolution of microstructure during hot rolling of an aluminum-lithium alloy undergoing dynamic recovery. (a) Optical micrograph showing heavily deformed, elongated initial grains. (b) TEM micrograph showing equiaxed subgrains. Courtesy of K.V...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005504
EISBN: 978-1-62708-197-9
...-D simulations of microstructural evolution during materials processing and materials response. It also explains how the 3-D experimental data are actually input and used in the simulations using phase-field modeling and finite-element modeling. finite element method focused ion beam...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001412
EISBN: 978-1-62708-173-3
.... The article describes the microstructural evolution and weld parameters associated with semiaustenitic PH steels. It discusses the weldability and welding recommendations for A-286 and JBK-75 austenitic PH stainless steels. The article also presents tables that list properties and heat treatments for the PH...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001407
EISBN: 978-1-62708-173-3
... to be considered for particular engineering applications and service conditions. The article discusses the microstructural evolution of the weld metal and the heat-affected zone, susceptibility to defect formation during welding, mechanical and corrosion properties, and weld process tolerance. austenitic...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004001
EISBN: 978-1-62708-185-6
.... It summarizes the understanding of microstructure evolution and fracture behavior during thermomechanical processing of the gamma aluminides with particular reference to production scaleable techniques, including vacuum arc and cold-hearth melting, isothermal forging, conventional hot forging, and extrusion...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005800
EISBN: 978-1-62708-165-8
... the parameters associated with resistance spot welding, laser welding, and metal active gas welding. It also provides useful information of retained austenite volume fraction measured by x-ray diffraction and electron backscatter diffraction. The article also examines microstructure evolution during tensile...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005818
EISBN: 978-1-62708-165-8
... illustration of the progressive microstructural stages of compound-layer formation and evolution upon nitrocarburizing α-Fe. The results pertain specifically to a treatment temperature of approximately 580 °C (853 K). The process starts with the formation of a carbon-rich phase (cementite) and proceeds...