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model calibration

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Published: 01 June 2016
Fig. 21 Calibration of isothermal aging model. (a) Arrhenius plot to find the activation energy, Q . (b) Plot to find T s and ( S 0 ) max based on the temperature dependence of the volume fraction of the precipitate. Data from 6061. Source: Ref 65 More
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
... Abstract This article provides guidelines for the assessment of model quality in materials science and engineering. It discusses the fundamentals of model quality assessment and the calibration of mechanistic material models. The article reviews the considerations for the model verification...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003273
EISBN: 978-1-62708-176-4
... Abstract This article provides a practical reference guide for instrumented indentation testing (IIT). It summarizes the various types of indenters used in IIT and parameters describing their geometries. The article discusses the physical principles and models used to determine hardness...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003649
EISBN: 978-1-62708-182-5
... Abstract Simulated service testing is the most reliable predictor of corrosion behavior that is important for specific objectives. These include materials selection, predicting the probable service life of a product or structure, evaluating new commercial alloys and processes, and calibrating...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006463
EISBN: 978-1-62708-190-0
... it is needed, the history behind the development of POD, how POD assessments are performed, and how modeling and simulation can be integrated into the execution of a POD assessment. It describes the methods by which POD is determined. This includes detail on the experimental process to acquire the needed data...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003275
EISBN: 978-1-62708-176-4
... and heavier than the hammer used in the model C Scleroscope, developing the same striking energy even through dropping a shorter distance. Fig. 2 Model D Scleroscope hardness testers mounted in stands Models C, D, and D digital Scleroscopes were available in two calibrations: standard and roll...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005423
EISBN: 978-1-62708-196-2
... parameters and iteratively determine the best-fit values of h using a direct calibration-curve method, that is, by matching the temperatures predicted via solidification modeling to those determined experimentally ( Fig. 10 , 11 ) ( Ref 11 , 14 ). Such calibration-curve techniques rely on the selection...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003260
EISBN: 978-1-62708-176-4
... Organization for Standardization/International Electrotechnical Commission (ISO/IEC) Guide 25, "General Requirements for the Competence of Calibration and Testing Laboratories." The Guide 25 is a balanced standard that addresses quality system requirements of ISO 9000 and the technical requirements needed...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006575
EISBN: 978-1-62708-290-7
... ), applying energy on a full layer (flash heating) ( Ref 28 , 29 ), experimentally calibrating the response (inherent strain) ( Ref 30 – 35 ), and mapping the results of a small-scale simulation to the part scale (multiscale modeling) ( Ref 36 , 37 ). Part-scale modeling can predict measured part distortion...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003400
EISBN: 978-1-62708-195-5
... the conditions associated with crack stability. (a) The stress component that is related to the difference in the stress and the mean stress. The hydrostatic stress is the mean stress. This terminology is used in modeling the observation that plastic deformation is a shear phenomena and not dependent...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005432
EISBN: 978-1-62708-196-2
... references (e.g., Ref 2 ) contain more detailed information on CA algorithms and provide the reader with the necessary detail to write their own cellular automaton code. The importance of calibration with experimental data and integrated multiscale modeling (combining a cellular automaton with finite...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006451
EISBN: 978-1-62708-190-0
.... This will allow for direct comparison to finite-element analysis (FEA) models as well for gaining some indication of applied stress, although caution and judgment must be exercised because the calibrated data will be in the form of the first stress invariant. Two basic strategies can be employed to determine...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005528
EISBN: 978-1-62708-197-9
... in the section “Continuum Damage Models for Failure and Their Calibration” in this article. In a comprehensive treatise on the analysis of guillotining and slitting processes, Wisselink ( Ref 31 ) developed arbitrary Lagrangian-Eulerian finite-element models for plastic deformation and ductile fracture using...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006890
EISBN: 978-1-62708-392-8
... of a robotic arm for in situ bioprinting that was used to print onto a 3D-printed CAD model of a defect (i.e., a skin defect on a mouse model). The bioprinting phase was preceded by an initial calibration that consisted of manually positioning the end-effector inside the defect. Since the shape of the defect...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005419
EISBN: 978-1-62708-196-2
.... The application of cohesive zone models for fatigue crack growth that results in intergranular failure due to environmental or chemical attack may lead to better predictive model approaches that depend less on experimental crack-growth calibration. All modeling efforts should have the goal of developments...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006473
EISBN: 978-1-62708-190-0
... the variables that should be considered when selecting standard reference blocks and describes the three types of standard blocks ordinarily used for calibration or reference: area-amplitude blocks, distance-amplitude blocks, and blocks of the type sanctioned by the International Institute of Welding...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... components. It was initially determined through modeling studies that a six-degree-of-freedom system was the minimum requirement for the varied types of scanning operations necessary to inspect industrially manufactured components. It also became readily apparent that the largest usable work volume could...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003391
EISBN: 978-1-62708-195-5
... subcritical damage formation to calibrate models for progressive damage formation and growth, as exemplified in Fig. 3 ( Ref 13 ). Such models have been useful in predicting relationships between lay-up, failure mode, and far field failure strain semiempirically. Figure 4 shows an example of this provided...
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
... E 466 Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials Load controlled fatigue; no measurement of strain E 467 Verification of Constant Amplitude Dynamic Loads on Displacements in an Axial Load Fatigue Testing System Calibration of dynamic loads under...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003259
EISBN: 978-1-62708-176-4
... loaded through the machine crosshead, table, or columns of the load frame. The load cell and the load cell circuit are calibrated to provide a specific voltage as an output signal when a certain force is detected. In pressure transducers, which are variations of strain-gage load cells, the strain-gaged...