Efeito da deformação plástica sobre as propriedades magnéticas em aços para fins elétricos.

Junior, Rodrigues; Luiz, Daniel

doi:10.11606/t.3.2016.tde-29122015-151938

Cited by 2 publications

(3 citation statements)

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“…The overall trend of the computed evolution of the force vs displacement can also be checked against the typical force‐displacement characteristics of the metal forming processes under investigation. Typical force‐displacement curves for standard metal forming processes can be found in the specialized literature (Rodrigues and Martins, 2005).…”

Section: Validation Of Finite Element Proceduresmentioning

confidence: 99%

“…Large contact pressures may therefore indicate either a wrong modelling procedure or a correct modelling procedure that will lead to a die failure in practice. Limiting values of strength depend on the materials, heat and surface treatments and design and information can be found in the specialized literature (Rodrigues and Martins, 2005).…”

Section: Validation Of Finite Element Proceduresmentioning

confidence: 99%

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Accuracy, reliability and validity of finite element analysis in metal forming: a user's perspective

Tekkaya

Martins²

2009

Engineering Computations

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PurposeThe purpose of this paper is to provide industrial, education and academic users of computer programs a basic overview of finite elements in metal forming that will enable them to recognize the pitfalls of the existing formulations, identify the possible sources of errors and understand the routes for validating their numerical results.Design/methodology/approachThe methodology draws from the fundamentals of the finite elements, plasticity and material science to aspects of computer implementation, modelling, accuracy, reliability and validation. The approach is illustrated and enriched with selected examples obtained from research and industrial metal forming applications.FindingsThe presentation is a step towards diminishing the gap being formed between developers of the finite element computer programs and the users having the know‐how on the metal forming technology. It is shown that there are easy and efficient ways of refreshing and upgrading the knowledge and skills of the users without resorting to complicated theoretical and numerical topics that go beyond their knowledge and most often are lectured out of metal forming context.Originality/valueThe overall content of the paper is enhancement of previous work in the field of sheet and bulk metal forming, and from experience in lecturing these topics to students in graduate and post‐graduate courses and to specialists of metal forming from industry.

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Section: Validation Of Finite Element Proceduresmentioning

confidence: 99%

Section: Validation Of Finite Element Proceduresmentioning

confidence: 99%

Accuracy, reliability and validity of finite element analysis in metal forming: a user's perspective

Tekkaya

Martins²

2009

Engineering Computations

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“…Figure 5.Relationship between contact pressure and frictional shear stress. Source: Based on Rodrigues and Martins[8] and Altan and Tekkaya[9].…”

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confidence: 99%

The Role of Friction on Metal Forming Processes

Folle¹,

Silva²,

Batalha³

et al. 2022

Tribology of Machine Elements - Fundamentals and Applications

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The friction that occurs in forming processes plays a fundamental role in the industry as it can be responsible for both manufacturing failure and its success. Scientific research has been done to try to understand this phenomenon as well as simulation software has been implemented aiming to predict the tribological behavior of the metallic pair in contact. Thus, this chapter is dedicated to the analysis of the main parameters that can influence the coefficient of friction, especially for metal manufacturing processes. Some simulation models that try to predict the behavior of friction under certain conditions of process speed, contact pressure and operating temperature will also be presented.

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Efeito da deformação plástica sobre as propriedades magnéticas em aços para fins elétricos.

Abstract: VII frequências analisada, a perda histerética é a parcela que mais contribuiu para o aumento da perda magnética com a deformação.

Cited by 2 publications

References 50 publications

Accuracy, reliability and validity of finite element analysis in metal forming: a user's perspective

Accuracy, reliability and validity of finite element analysis in metal forming: a user's perspective

The Role of Friction on Metal Forming Processes

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