Failure analysis of AISI 430 stainless steel sheet under stretching and bending conditions

Luiz, Valmir Dias; Rodrigues, Paulo César de Matos

doi:10.1007/s00170-022-09451-2

Cited by 4 publications

(5 citation statements)

References 51 publications

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“…A test was conducted using specialized equipment to subject the sheet to bending while under tension, allowing for analysis of the draw-bend fracture (DBF). The experimental outcomes were directly influenced by the relationship between the tool radius and the sheet thickness of the process parameters [192].…”

Section: Recent Developments-using Autonomous Processesmentioning

confidence: 99%

Machine Learning, Mechatronics, and Stretch Forming: A History of Innovation in Manufacturing Engineering

Grigoras,

Zichil,

Ciubotariu

et al. 2024

Machines

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This review focuses on the complex connections between machine learning, mechatronics, and stretch forming, offering valuable insights that can lay the groundwork for future research. It provides an overview of the origins and fundamentals of these fields, emphasizes notable progress, and explores the influence of these fields on society and industry. Also highlighted is the progress of robotics research and particularities in the field of sheet metal forming and its various applications. This review paper focuses on presenting the latest technological advancements and the integrations of these fields from their beginnings to the present days, providing insights into future research directions.

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Section: Recent Developments-using Autonomous Processesmentioning

confidence: 99%

Machine Learning, Mechatronics, and Stretch Forming: A History of Innovation in Manufacturing Engineering

Grigoras,

Zichil,

Ciubotariu

et al. 2024

Machines

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show abstract

“…The contact condition illustrated in Figure 3b (BUT test) consists of bending and sliding a strip (t) around the radius (R) of the bending pin, thus simulating the contact condition between die/sheet in SMF processes [15]. In this test, a force is applied at one end of the strip (frontal force F 1 ) to cause a movement relative to the bending pin, whereas at the other end of the strip, a force opposite to the movement (back force F 1 ) is applied to submit it to the effect of stretching [22]. However, in the contact condition illustrated in Figure 3c (STT test), one end of the strip moves at a constant speed (owing to F 2 ), whereas the other end remains fixed (owing to t), thus simulating the contact condition between the punch radius/sheet.…”

Section: Formability Testsmentioning

confidence: 99%

“…In recent years, there has been an increase in the use of stainless steel in applications requiring corrosion resistance and weight reduction, respectively [20,21]. Stainless steel is an alloy containing at least 10.5% Cr, which guarantees high corrosion resistance [22]. Cr is an element that stabilizes Ferrite-α, the body-centered structure of iron, and when homogeneously dispersed in a solid solution of steel, comes into contact with oxygen, forming a thin passive layer (3-5 nm) [23].…”

Section: Introductionmentioning

confidence: 99%

Influence of Different Contact Conditions on Friction Properties of AISI 430 Steel Sheet with Deep Drawing Quality

et al. 2023

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This article aims to investigate the influence of different contact conditions on the friction properties of an Nb-stabilized AISI 430 ferritic stainless-steel sheet with deep drawing quality. Three tribological tests were performed: pin-on-disk, bending under tension, and strip-tension test. Moreover, counter samples of a hard metal (WC-12%Co) with surface finishes of 0.27 and 0.54 µm were used in the friction tests under dry and lubricated conditions. The influence of the texture and relative elongation of the strip on formability also were investigated. A comparative analysis of the results revealed that the coefficients of friction, wear, lubricant efficiency, and hardness measured below the wear surface indicated a strong dependence on surface roughness and the friction test type. The coefficients of friction obtained from the pin-on-disk test were higher than those obtained from the formability tests. In addition, the coefficient of friction increased with increasing relative elongation during the formability tests; it was higher in the bending-under-tension test than in the strip-tension test, mainly owing to the increasing strip surface roughness. The contact pressure during the formability tests was non-uniform during strip sliding under the tool. According to our results, for each friction condition in a specific area of the forming die, there is a value of the coefficient of friction, depending on the kinematic conditions. Therefore, the results can be used as input data to define design guidelines, improve productivity, and improve product quality from this steel sheet.

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“…The purpose of using a lubricant is to reduce the intensity of wear between the pair of rubbing bodies, leading to an increase in the durability of the tools [68,69]. In cold forming processes, in which the material is subject to large deformations, high sliding speeds and intense heat generation, the grease is also responsible for cooling the tools.…”

Section: Lubricationmentioning

confidence: 99%

Approaches for Preventing Tool Wear in Sheet Metal Forming Processes

Trzepieciński

2023

Machines

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Sheet metal forming processes, the purpose of which is to give the shaped material appropriate mechanical, dimensional and shape properties, are characterised by different values of unit pressures and lubrication conditions. Increasing the efficiency of tool work by increasing their durability, efficiency and reliability is still one of the main indicators of increasing production efficiency. Tool wear in metal forming technologies significantly differs from the character of wear in other methods of metalworking, such as machining. This article presents the characteristics of tool wear mechanisms used in sheet metal forming. Possibilities of increasing the durability of tools by applying coatings produced by laser techniques, chemical vapour deposition and chemical vapour deposition are also discussed. Great emphasis is placed on self-lubricating and functional materials and coatings. Current trends in lubricants and lubrication methods in sheet forming, including tool texturing, are also presented.

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Failure analysis of AISI 430 stainless steel sheet under stretching and bending conditions

Cited by 4 publications

References 51 publications

Machine Learning, Mechatronics, and Stretch Forming: A History of Innovation in Manufacturing Engineering

Machine Learning, Mechatronics, and Stretch Forming: A History of Innovation in Manufacturing Engineering

Influence of Different Contact Conditions on Friction Properties of AISI 430 Steel Sheet with Deep Drawing Quality

Approaches for Preventing Tool Wear in Sheet Metal Forming Processes

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