Tooling design–related spatial deformation behaviors and crystallographic texture evolution of high-strength Ti-3Al-2.5V tube in cold pilgering

Li, Hengyun; Wei, Dong Bin; Zhang, H. Q.; Yang, Haisheng; Zhang, D.; Li, G. J.

doi:10.1007/s00170-019-04151-w

Cited by 12 publications

(5 citation statements)

References 26 publications

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“…Furthermore, texture development is influenced by the design parameters [18]. There are two common methods to characterize the texture.…”

Section: Mandrel and Roll Diesmentioning

confidence: 99%

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Modeling of cold pilgering of stainless-steel tubes

Azizoğlu,

Sjöberg,

Lindgren

2024

Journal of Manufacturing Processes

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“…Furthermore, texture development is influenced by the design parameters [18]. There are two common methods to characterize the texture.…”

Section: Mandrel and Roll Diesmentioning

confidence: 99%

“…∆ε rr =-∆ε zz -∆ε θθ (18) They measured the torsional and shear strains, εrz and εθz, by using a special preform with drilled holes, and used them in the model as it is too difficult to calculate them. They stated that the torsional strain is negligible (0.02-0.03) and calculated the shear strain by Eq.…”

Section: Analytical Modelsmentioning

confidence: 99%

Modeling of cold pilgering of stainless-steel tubes

Azizoğlu,

Sjöberg,

Lindgren

2024

Journal of Manufacturing Processes

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“…3 . Furthermore, a more detailed compressive elastic-plastic material behaviour which include the effect of plastic hardening has been considered for the struts' titanium material [6] with the stress-strain curve and elastic parameters shown in Fig. 13.…”

Section: Response To a Periodic Inputmentioning

confidence: 99%

Nonlinear Dynamic Analyses of STS-1 Forward RCS Oxidizer Tank Structural Failure

Oliveri,

2024

AIAA SCITECH 2024 Forum

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At liftoff of the first Space Shuttle mission, a strong ignition overpressure pulse excited the stack. The frequency of the experienced pressure wave exceeded pre-launch predictions, and resulted in high, alternating normal accelerations along the length of the vehicle. As result of this unexpected loading, an oxidizer tank support strut in the orbiter's forward reaction control system module failed in buckling under axial compression, which could have led to loss of the mission, crew, and vehicle. This incident is investigated in more detail using linear and nonlinear finite element analyses, complementing previous analyses with classical structural mechanics. The results of these analyses are examined to provide additional insight into the accident and to better inform future design decisions for modern space vehicle systems and structures.

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“…2 (обтискання) з точки зору створення напружено-деформованого стану та протікання пластичних деформацій в зразку -практично відсутні. Радіальне кування [7,8,9], зокрема, може проводиться на устаткуванні типу SНК-17 австрійської фірми GFM, яка є фактичним монополістом у виробництві цього виду обладнання [2]. До головних переваг радіального кування відносяться те, що даний спосіб дозволяє отримувати вироби з внутрішньою поверхнею необхідної геометрії з достатньою точністю.…”

Section: вступunclassified

Universal research installation for compression of tubular billets

Titov¹,

Godziy²,

Myronenko³

2022

Mech. Adv. Technol.

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The research was conducted at the Department of Aircraft Technology and Design of the Educational and Research Institute of Mechanical Engineering of the National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”. On the basis of performance of scientific subjects concerning compression of a tubular cavity preparation with formation of an internal cavity the most perspective schemes of such technological processing were investigated and technological and constructive elements of processes and the equipment were defined. Indicators such as quality (compliance of the product with the requirements of use) and its cost, process productivity, technical and economic characteristics and versatility of the equipment were taken into account. To experimentally confirm the chosen direction of implementation, first of all, experimental equipment was designed and the technical process was modeled according to each of the proposed schemes.

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Tooling design–related spatial deformation behaviors and crystallographic texture evolution of high-strength Ti-3Al-2.5V tube in cold pilgering

Cited by 12 publications

References 26 publications

Modeling of cold pilgering of stainless-steel tubes

Modeling of cold pilgering of stainless-steel tubes

Nonlinear Dynamic Analyses of STS-1 Forward RCS Oxidizer Tank Structural Failure

Universal research installation for compression of tubular billets

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