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integrated weld modeling

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Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005561
EISBN: 978-1-62708-174-0
... Abstract This article provides an overview of integrated weld modeling and discusses the fundamentals of the underlying physics and methodologies involved in process modeling. It presents approaches for microstructure modeling that help to predict phase fractions as well as grain size...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005524
EISBN: 978-1-62708-197-9
... Abstract This article provides an overview of integrated weld modeling and presents strategic goals for the welding industry. It discusses the fundamentals of the underlying physics and the methodologies to solve the same. The article presents the pioneering work done to predict the heat...
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Published: 31 October 2011
Fig. 2 Overview of integrated welding modeling methodology proposed by Kirkaldy ( Ref 11 ) shows the importance of predicting transformation behavior and microstructural development as well as thermal and mechanical behavior More
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Published: 01 November 2010
Fig. 2 Overview of integrated welding modeling methodology proposed by Kirkaldy ( Ref 11 ) shows the importance of predicting transformation behavior and microstructural development as well as thermal and mechanical behavior More
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Published: 31 October 2011
Fig. 23 Methodology used to optimize welding consumable composition. The methodology integrates commercial optimization software with a neural net model for weld metal toughness. The model predicted the optimized weld metal composition for maximizing toughness as a function of temperature More
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Published: 01 November 2010
Fig. 23 Methodology used to optimize welding consumable composition. The methodology integrates commercial optimization software with a neural net model for weld metal toughness. The model predicted the optimized weld metal composition for maximizing toughness as a function of temperature More
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
... transformations in fusion welding, covering particle dissolution, growth, and coarsening of precipitates in the heat-affected zone. The article discusses the versatility of the internal state variable approach in modeling of nonisothermal transformations for various materials and processes. It describes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001470
EISBN: 978-1-62708-173-3
... four: the parts designer, path planner, welding schedule developer, and system integrator ( Fig. 2 ). Fig. 2 Sequential operation of an off-line planning system Parts Designer The parts to be joined should first be drawn in a three-dimensional (3-D) computer-aided design (CAD) system...
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
... couple. Finally, in example 8, thermodynamic modeling is integrated with a microscopic and cellular automaton model to simulate the microstructure and microsegregation of aluminum alloys during solidification. Example 5: Prediction of Liquation Cracking of Aluminum Welds In this example...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005553
EISBN: 978-1-62708-174-0
... traditional manual methods. Instead, control engineers have applied conventional quantitative techniques of system analysis through the use of difference, differential, and integral equations to model and control the mechanized aspects of welding. Applications involving through-the-arc sensing, such as arc...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005587
EISBN: 978-1-62708-174-0
... Abstract This article is a comprehensive collection of formulas and numerical solutions, addressing many heat-transfer scenarios encountered in welds. It provides detailed explanations and dimensioned drawings in order to discuss the geometry of weld models, transfer of energy and heat in welds...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001480
EISBN: 978-1-62708-173-3
... Abstract This article focuses on the various assumptions involved in the numerical modeling of welds, including the geometry of the welded structure and the weld joint, thermal stress, strain, residual stress, and the microstructure in the heat-affected and fusion zones. distortion...
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Published: 31 October 2011
Fig. 4 An example closed-loop control system employs both a setpoint selector model and a steady-state weld process model. The desired bead width, W Ref , and penetration, P Ref , are specified by the user. These parameters, as well as the workpiece thickness, H , are fed to a setpoint More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003513
EISBN: 978-1-62708-180-1
.... EPRI/Novetech , Ductile Fracture Handbook , Novetech Corporation , Gaithersburg, MD , Vol 1 , 1989 ; Vol 2 , 1990 ; Vol 3 , 1991 25. Reemsnyder H.S. , Structural Integrity Analysis of a Heavy Rolled Structural Section , presented at IIW Conference on Fitness for Purpose of Welded...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005538
EISBN: 978-1-62708-197-9
... a profound impact on how components are machined and how components are being analyzed for service performance. Joining Joining processes for many applications can now be simulated. The articles “Introduction to Integrated Weld Modeling,” “Simulation of Rotational Welding Operations,” “Simulation...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005592
EISBN: 978-1-62708-174-0
... to eliminate the need for tracing and integrating the material response; this being the case, thermal transport analyses of welding compute the resulting residual stress to be zero. Such analyses have primarily been used to model the temperature field and physical shape of the weld pool ( Ref 31 , Ref 32...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005544
EISBN: 978-1-62708-197-9
... of mixed character can be handled, for example, equilibria involving the interaction between liquid and solid alloys and matte, slag, and gas phases. National Physical Laboratory, U.K. www.npl.co.uk/advanced-materials/measurement-techniques/modelling/mtdata Pandat Pandat software is an integrated...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005153
EISBN: 978-1-62708-186-3
... binder force command; F b , binder force; F p , punch force A first-order nonlinear dynamic forming process model was developed in Ref 1 to define the relationship between the binder force and the clamp force. A proportional plus integral controller with feed-forward action (PIF...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001477
EISBN: 978-1-62708-173-3
... with the increasing use of high-heat-affected zone (HAZ), and parent material cannot be taken into account in the currently available fracture assessment models, it is normal practice to assume the tensile properties of the material in which the defect is located (that is, if a crack is located in the weld metal...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... assessment of structural components. This article provides an overview of the structural design process, the failure analysis process, the failure investigator's role, and how failure analysis of structural components integrates into determination of remaining life, fitness-for-service, and other life...