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Clinical efficacy of posterior cervical c3 laminectomy combined with c7 underlying decompression and laminoplasty with support titanium plate fixation for cervical spondylotic myelopathy. [PDF]
BMC Musculoskelet DisordGao Y, Jiang L.
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A study of formability of palm leaf materials using Limiting Dome Height testing
MRS Communications, 2021Deformation response of Areca catechu palm leaf-sheath under biaxial stretching is evaluated using Limiting Dome Height (LDH) testing. It is shown that the leaf material has high formability, with biaxial limit strains ~ 0.4, comparable to that of ductile sheet metals.
Debapriya Pinaki Mohanty +2 more
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Effect of reverse dome stretching on dome height and forming limits of sheet materials
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2005Reverse bending and stretching of sheet materials is often employed in press forming of complex automotive components. In this work, hemispherical dome stretching tests were followed by reverse dome tests on automotive aluminum sheet specimens to assess the influence of the strain and shape on dome height at neck formation and limit strains.
D J Lloyd
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The Limiting Dome Height Tests and Formability of Magnesium Alloy Sheet AZ31B
Applied Mechanics and Materials, 2013The assembly of the limiting dome height tests is developed to evaluate the formability of the magnesium alloy sheet AZ31B. The influence of forming conditions on the formability of AZ31B sheet is investigated by limiting dome height tests. The limiting bulging coefficient is used to represent the formability of AZ31B sheet in the tests.
Guo Qun Zhao, Zhao Guo Qun
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Prediction of Limit Strains in Limiting Dome Height Formability Test
AIP Conference Proceedings, 2007In this paper, the Marciniak‐Kunczynski (MK) method is combined with the Storen‐Rice analysis in order to improve accuracy of the predicted limit strains in Limiting Dome Height (LDH) test. FEM simulation is carried out by means of a commercial FEM code (ABAQUS) and FEM results are postprocessed by using an improved MK code.
Amir A Zadpoor +2 more
exaly +2 more sources
Prediction of limiting dome height using neural network and finite element method
International Journal of Advanced Manufacturing Technology, 2005Using neural network to predict limiting dome height (LDH) based on the result of finite element analysis is a high efficiency work in spite of little error. Finite element results are presented with different working condition parameters, such as material thickness, punch speed, friction coefficient between punch, die and sheet metal, and blank holder
T C Lee
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Strojniski Vestnik/Journal of Mechanical Engineering, 2022 In this work, initially the chemical composition of Inconel 718 alloy sheet was obtained using X-ray fluorescence technique (XRF). The material properties such as yield strength, ultimate tensile strength, percentage of elongation, normal anisotropy, planar anisotropy, strain hardening exponent, and the strength coefficient were determined in ...
Ganesan, Kanmani +2 more
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Limit dome height and failure location of stainless steel tailor-welded blanks
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2007Forming limits of stainless steel tailor-welded blanks (TWBs) are investigated through both testing and numerical simulation. Limit dome height (LDH) tests were performed for 1.2/1.0 mm TWBs with 0°, 90°, 45° weldment orientations and various blank widths. Numerical simulation of the LDH test was conducted with LSDYNA.
M Jie, C L Chow, Luen Chow Chan
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Materials Today: Proceedings, 2017
Abstract Stretch forming is an important sheet metal forming process in which thin sheets are plastically deformed into desired shapes. All structural steels undergo changes in their properties when subjected to cryogenic temperatures and may become brittle at lower temperatures, but Austenitic stainless steel (ASS 304 grade) having FCC structure is ...
Swadesh Kumar Singh +2 more
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Abstract Stretch forming is an important sheet metal forming process in which thin sheets are plastically deformed into desired shapes. All structural steels undergo changes in their properties when subjected to cryogenic temperatures and may become brittle at lower temperatures, but Austenitic stainless steel (ASS 304 grade) having FCC structure is ...
Swadesh Kumar Singh +2 more
exaly +2 more sources