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martensite modeling

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Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005435
EISBN: 978-1-62708-196-2
... Abstract This article assesses the evolution of martensite modeling in the changing materials engineering environment. It describes the physics of displacive transformations using Ginzburg-Landau theory, microstructure representation, dynamics and simulations, density functional theory...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005882
EISBN: 978-1-62708-167-2
.... Fig. 2 Effect of carbon content on martensite-start temperature for 51 xx family of alloy steels. Source: Ref 1 Modeling of Austenite Formation and Decomposition Mathematical models required to simulate the metallurgical transformations that drive stress evolution in the component...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005438
EISBN: 978-1-62708-196-2
... an example of model calibration, verification, and validation for the prediction of martensite start temperature of steels. degenerate problem tests sensitivity tests benchmarking model verification model quality management mechanistic material model model validation boundary-value test model...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005936
EISBN: 978-1-62708-166-5
... expansion coefficients as well as transformation strains for transformation from ferrite/cementite to austenite followed by the martensitic transformation The consideration of thermal expansion/contraction and transformation strains in numerical modeling of the stress and distortion development...
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Published: 09 June 2014
Fig. 45 (a), Temperature (b), martensite fraction and (c) hoop stress histories at the surface for DANTE modeled cylinder in Fig. 37 for different spray quench intensities. More
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Published: 09 June 2014
Fig. 46 (a), Temperature (b), martensite fraction and (c) hoop stress histories at mid-radius for modeled cylinder in Fig. 37 for different spray quench intensities. More
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Published: 09 June 2014
Fig. 47 (a) Temperature (b), martensite fraction, and (c) hoop stress histories at centerline for DANTE modeled cylinder in Fig. 37 for different spray quench intensities. More
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Published: 30 September 2014
results concerning the measurement are visualized, with the exception that an additional simulation has been conducted using the classical Koistinen and Marburger model to describe the transformation kinetics for martensite formation. More
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005980
EISBN: 978-1-62708-168-9
... deformation, which can be globally described using transformation plasticity models. In this article the mechanisms for distortion specific to tool steels are discussed. The major point is the carbon content, which, depending on further alloying elements like Cr, W, Mo, V, Nb, and Ti, leads to different...
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Published: 01 December 2009
Fig. 9 Simulation of growth of supercritical semicoherent (internally twinned) martensitic embryo in nonlinear, nonlocal continuum model. Source: Ref 53 More
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Published: 01 December 2009
Fig. 5 (a) Correlation and (b) error for a computational martensite start (M s ) temperature model establishing validity against available datasets More
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Published: 01 December 2009
Fig. 4 Software implementation flow diagram of a computational martensite start (M s ) temperature model. fcc, face-centered cubic; bcc, body-centered cubic More
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Published: 01 December 2009
Fig. 3 Architecture of mechanistic martensite start temperature (M s ). fcc, face-centered cubic; bcc, body-centered cubic. Source: Computational model, Ref 6 More
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
... Abstract Computer simulation of microstructural evolution during hot rolling of steels is a major topic of research and development in academia and industry. This article describes the methodology and procedures commonly employed to develop microstructural evolution models to simulate...
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Published: 01 January 1996
Fig. 18 An example of the use of a Paris relation to model the linear portion of a crack growth rate curve. Effect of stress ratio on the fatigue crack propagation rate in a 140 ksi yield strength martensitic steel. Source: Ref 47 More
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Published: 01 December 2009
Fig. 5 Heterogeneous nucleation at strong defects. Two-dimensional variational solutions to Ginzburg-Landau model for (a) linear elastic material and (b) nonlinear material at onset of martensite mechanical stability. Length scale in units of lattice dislocation Burgers vector, b. Source: Ref More
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005982
EISBN: 978-1-62708-168-9
... grain boundaries intergranular fracture martensite microcracking microstructure residual stress retained austenite CARBURIZING is a remarkable method of enhancing the surface properties of shafts, gears, bearings, and other highly stressed machine parts. Low-carbon steel bars are fabricated...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005886
EISBN: 978-1-62708-167-2
... processes, preheating for primary and secondary forming processes, heat treatments, brazing, and thermal processing for fusion welds. The article also provides information on computational modeling of induction heating processes for super alloys and stainless steels. brazing cast nickel-based...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005947
EISBN: 978-1-62708-166-5
... been the subject of scientific and industrial research for a very long time. Starting from pure empirical investigations, the understanding of the mechanisms and causes of distortion has significantly improved, not the least supported by modeling and simulation activities. The aim of this article...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005511
EISBN: 978-1-62708-197-9
... with kinetic and microstructural evolution models greatly enhances the power of the CALPHAD approach in materials design and processing development. It also discusses the limitations of the CALPHAD approach. CALPHAD approach industrial applications microstructural evolution models phase diagram...