Results 231 to 240 of about 469,044 (305)
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Thickening of cup sidewall through sheet-bulk forming with controllable deformation zone

Journal of Materials Processing Technology, 2018
Abstract Buckling is one of the main challenges in thickening the sidewall of a deep drawn cup. To overcome this problem, a novel sheet-bulk forming method, upsetting with a controllable deformation zone, was developed in this study to prevent the buckling during sidewall thickening.
Shengfa Zhu   +3 more
openaire   +2 more sources

Flange forming at an arbitrary tube location through upsetting with a controllable deformation zone

Journal of Materials Processing Technology, 2019
Abstract Instability is the most common challenge faced in the production of tubular flanged parts, which is usually limited by dimensional parameters, such as the slenderness ratio of height to thickness and the ratio of initial tube thickness to final flange thickness.
Shengfa Zhu   +4 more
openaire   +2 more sources

Die structure optimization for eliminating premature folding of sidewall upsetting with a controllable deformation zone

The International Journal of Advanced Manufacturing Technology, 2019
Upsetting with a controllable deformation zone is a newly developed sheet-bulk forming method to thicken the sidewall of a cup. Compared with conventional upsetting, this new method can eliminate the limitation of the slenderness ratio and improve forming quality.
Yin Zhu   +3 more
openaire   +2 more sources

Tectonically controlled multiple stages of deformation along the Yangsan Fault Zone, SE Korea, since Late Cretaceous

Journal of Asian Earth Sciences, 2019
Abstract We describe the structural characteristics and tectonic evolution of the NNE–SSW-striking Yangsan Fault, Korea. The surface trace of the fault extends for over 170 km on land, displaying ∼20–30 km of dextral offset. It transects mainly Mesozoic–Cenozoic sedimentary and igneous rocks.
Youngbeom Cheon   +5 more
openaire   +2 more sources

Investigation on limited thickening ratio of upsetting with a controllable deformation zone

The International Journal of Advanced Manufacturing Technology, 2023
Dongkai Xu, Yin Zhu, Xincun Zhuang
openaire   +2 more sources

Basement control on fault formation and deformation band damage zone evolution in the Rio do Peixe Basin, Brazil

Tectonophysics, 2018
Abstract The objective of this study is to analyze the influence of brittle reactivations of continental-scale Precambrian ductile shear zones on the evolution of deformation band damage zones. Our results indicate that the Rio do Peixe Basin was formed by the Cretaceous reactivation of its basement EW- and NE-SW-striking major fault segments.
Renata E.B. Araujo   +8 more
openaire   +3 more sources

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