Results 1 to 10 of about 3,956 (194)

Determining Forming Limit Diagrams Using Sub-Sized Specimen Geometry and Comparing FLD Evaluation Methods [PDF]

open access: yesMetals, 2021
Sheet metal forming boundaries are established using the forming limit diagram (FLD). The Nakajima and Marciniak tests, which are based on stretching a material using a punch, are the most commonly used methods for determining the FLD or fracture forming
Kateřina Rubešová   +7 more
doaj   +2 more sources

Detection of delamination of steel–polymer sandwich composites using acoustic emission and development of a forming limit diagram considering delamination [PDF]

open access: yesHeliyon, 2023
The formability of steel–polymer sandwich composites was investigated using a new forming limit diagram (FLD) while considering delamination and fracture.
Jewook Yang, Sungjin Han, Woong-Ryeol Yu
doaj   +2 more sources

Analysis of relationship between loading condition and cranial cracking pattern using a three-dimensional finite element model [PDF]

open access: yesBMC Musculoskeletal Disorders, 2022
Background A hairline crack on the cranium can occur even under a small external load or impact and are thus often observed in patients who have experienced an accidental fall or collision.
Yoshimori Kiriyama   +5 more
doaj   +2 more sources

Comparative study of Dual-Phase -590 steel on formability at superplastic region and room temperature [PDF]

open access: yesE3S Web of Conferences, 2021
A steel alloy DP590 is commonly used for automobile applications because of its outstanding mechanical characteristics. One crucial limitation of this steel forming is that it has limited malleability and ductility.
Seshacharyulu K   +2 more
doaj   +1 more source

Experimental study on influence of ultrasonic vibration on forming limit

open access: yesMechanics & Industry, 2022
Applying ultrasonic vibration in sheet metal forming can change its forming mechanism and improve its formability. The uniaxial tensile and bulging forming limit experimental setups were designed to study the ultrasonic vibration and forming limit ...
Zha Changli, Zha Shenlong
doaj   +1 more source

Prediction of FLD using Abaqus and Gurson Model for Simple Flat Spacemen

open access: yesInternational Journal of Engineering and Management Sciences, 2023
In the past century, in many industries, such as, metal forming industry, it has been important to predict ductile damage and fracture of metals under complex loadings.
Tatiane Domokos   +2 more
doaj   +1 more source

Analysis of influencing factors on forming limit of GH605 sheet metal

open access: yesJournal of Aeronautical Materials, 2021
Sheet metal forming limit diagram (FLD) is a comprehensive index used to evaluate sheet metal formability. In this paper, the forming limit curves of GH605 sheet materials with 0.2 mm and 2.5 mm thickness under three different heat treatment conditions ...
WANG Yanju   +4 more
doaj   +1 more source

Experimental And Finite Element Studies of Stretch Forming Process for AA2014 Alloy At Elevated Temperature [PDF]

open access: yesE3S Web of Conferences, 2023
Sheet metal forming operations play a crucial role in the manufacturing process of various products. However, the challenge of plastic instability, which often leads to defective products, continues to persist in this field.
Satyanarayana Kosaraju   +7 more
doaj   +1 more source

Theoretical Forming Limit Diagram Based on Induced Stress in the Thickness Direction

open access: yesMetals, 2023
The conventional theoretical forming limit diagram (FLD) based on the plane stress state has defects due to the neglect of the stress in the thickness direction of the sheet.
Haibo Wang, Zipeng Wang
doaj   +1 more source

Application of the DIC System to Build a Forming Limit Diagram (FLD) of Multilayer Materials

open access: yesKey Engineering Materials, 2022
The extraordinary combination of strength and ductility of multilayered materials makes them attractive in the various applications and industries (military, aerospace, energy industry etc.). In the present work, the investigated materials were joined into multilayered sheet using the explosive welding method.
Paulina Lisiecka-Graca   +4 more
openaire   +1 more source

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