Forming limit indicators in metal forming [PDF]
Precise information on forming limit indicators is very important in designing the technological processes of metal forming. The significance of stress state and strain history for limit strains realization is emphasized above all. For the case of upsetting, indicators in the system of principle surface strains are specified, as well as classic example
Stefanovic, Milentije +5 more
openaire +2 more sources
Impact of Intragranular Substructure Parameters on the Forming Limit Diagrams of Single-Phase B.C.C. Steels. [PDF]
An advanced elastic-plastic self-consistent polycrystalline model, accounting for intragranular microstructure development and evolution, is coupled with a bifurcation-based localization criterion and applied to the numerical investigation of the impact ...
Franz G, Abed-Meraim F, Berveiller M.
europepmc +2 more sources
Simulation and Experimental Study on Roll-Forming Limit of Cup. [PDF]
Roll forming can improve the material utilization rate and production efficiency of cups with a curved rotary profile, but there is no basis for the determination of forming limit. The DEFORM-3D software was used to simulate the roll forming of cups. The
Zhang B +5 more
europepmc +2 more sources
Finite Element Analysis on Experimental Stretch Forming Process of AA2014 Alloy at 423 to 623K Temperatures [PDF]
Sheet metal forming processes are extremely important in the production of many different items. However, the issue of plastic instability, which frequently results in damaged goods, still exists in this industry. To solve this problem during production,
Lade Jayahari +6 more
doaj +1 more source
Obtaining Forming Limit Diagram Using OpenCV [PDF]
The Forming Limit Diagram (FLD) is a criterion used to assess the formability of sheet metal during a manufacturing process. Traditionally, FLDs are obtained through manual measurements using Mylar tape or through the use of automatic deformation ...
Min Seok Kim, Jeong Kim
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The Establishment of Surface Roughness as Failure Criterion of Al–Li Alloy Stretch-Forming Process
Taking Al–Li–S4–T8 Al–Li alloy as the study object, based on the stretching and deforming characteristics of sheet metals, this paper proposes a new approach of critical orange peel state characterizations on the basis of the precise measurement of ...
Jing-Wen Feng, Li-Hua Zhan, Ying-Ge Yang
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Effect of crystallographic texture on the forming limit in microforming of brass
Microforming is an emerging technology to manufacture products in the light of miniaturization in several domains of industry. Plastic anisotropy is one of the material characteristics significantly affecting the micro forming process.
Mashalkar Anil, Nandedkar Vilas
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Forming limit curves for quasi-static and dynamic working-media-based forming processes [PDF]
The production of complex, multi-functional, high-strength components is becoming increasingly important in the sheet metal industry. Especially with small batch sizes, quasi-static working-media-based forming processes (WMF), such as hydromechanical ...
Djakow, E., Homberg, W., Springer, R.
core +1 more source
Single-Point Incremental Micro-Forming of Thin Shell Products Utilizing High Formability
This paper describes single-point incremental micro-forming of miniature shell products 50 µm to 1000 µm in size. First, the conditions of the micro-forming of a pyramid with a 1 mm square base were optimized to cause large elongation of a ...
Toshiyuki OBIKAWA +5 more
doaj +1 more source

