Academic literature on the topic 'Anti-Buckling Fixture'

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Journal articles on the topic "Anti-Buckling Fixture"

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Ebrahim, Jemal, and Zsolt Lukács. "Design of new anti-buckling fixture for cyclic tension-compression testing of sheet metal." Multidiszciplináris tudományok 12, no. 3 (2022): 36–44. http://dx.doi.org/10.35925/j.multi.2022.3.4.

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The currently available anti-buckling fixtures for uniaxial tension-compression testing of sheet metal could not fulfill the requirements and standards. In this study, a unique system of the anti-buckling fixtures to enable getting accurate and repeatable isotropic and kinematic behavior of sheet metal was designed. The front surface of the specimen was fully supported during the initial position, tension, and compression and free from any buckling. Because using acrylic blocks, has a greater level of optical clarity, there was the possibility to measure the deformation on the front surface of
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Babaei, Iman, Ravin Garg, Lorenzo Vigna, et al. "Newly Developed Anti-Buckling Fixture to Assess the In-Plane Crashworthiness of Flat Composite Specimens." Applied Sciences 10, no. 21 (2020): 7797. http://dx.doi.org/10.3390/app10217797.

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Despite superior specific mechanical characteristics of carbon-fiber-reinforced polymers (CFRPs), a lack of understanding of their fracture mechanisms under different impact conditions has limited the application of CFRP energy-absorbing structures. To avoid complex and expensive tests on the final structure, it is more convenient to test flat elements. To prevent catastrophic crushing due to the global buckling, flat specimens must be supported by a specific fixture. Previously developed fixtures had shortcomings like tearing of the specimen, jamming of the fixture, short crushable length, or
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Dietrich, L., G. Socha, and Z. L. Kowalewski. "Anti-buckling Fixture for Large Deformation Tension-Compression Cyclic Loading of Thin Metal Sheets." Strain 50, no. 2 (2014): 174–83. http://dx.doi.org/10.1111/str.12078.

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Kopec, M., and Z. L. Kowalewski. "Deformation of thin metal and composite sheets by using anti-buckling fixture for large deformation under tension–compression cyclic loading." Thin-Walled Structures 180 (November 2022): 109886. http://dx.doi.org/10.1016/j.tws.2022.109886.

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Matta, Seshadri, Naresh Reddy Kolanu, Viswanath Chinthapenta, C. M. Manjunatha, and M. Ramji. "Progressive damage analysis of adhesively bonded patch repaired carbon fibre–reinforced polymer specimen under compression involving cohesive zone model." International Journal of Damage Mechanics 28, no. 10 (2019): 1457–89. http://dx.doi.org/10.1177/1056789519832062.

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In this paper, the in-plane compression behaviour of open-hole carbon fibre composite specimens adhesively bonded with the external carbon fibre composite patches on the single- and double side are studied. Uniaxial compression tests are conducted on MTS machine using ASTM anti-buckling fixture. A 3D progressive damage model is developed to predict the damage initiation and failure in both unrepaired open cutout and repaired carbon fibre composite specimens under compressive load. Stress-based 3D-Hashin's failure criteria are used for predicting the fibre and matrix damage in carbon fibre comp
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Dessie, Jemal Ebrahim, László Rónai, and Zsolt Lukács. "Determination of Kinematic Hardening Parameters in W-Temper Forming of 6082 Aluminum Alloy." MATEC Web of Conferences 408 (2025): 01027. https://doi.org/10.1051/matecconf/202540801027.

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This study investigates the kinematic hardening behavior of 6082 aluminum alloy during W-temper forming, with a particular focus on the influence of transition time following W-temper heat treatment on key kinematic hardening parameters. Specifically, Young's Reduction Factor (y), Young's Reduction Rate (χ), and Transient Softening Rate (K) were systematically analyzed. To achieve this, uniaxial tensile-compressive tests were conducted utilizing a newly developed anti-buckling fixture, while deformation characteristics were assessed through optical strain measurement. The experimental data wer
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Barile, Claudia, Caterina Casavola, and Giovanni Pappalettera. "Digital Image Correlation Comparison of Damaged and Undamaged Aeronautical CFRPs During Compression Tests." Materials 12, no. 2 (2019): 249. http://dx.doi.org/10.3390/ma12020249.

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The diffusion of composite materials in aeronautical and aerospace applications is attributable to the high specific mechanical properties they offer. In particular, the recent use of Carbon Fiber Reinforced Polymer (CFRP) materials is highly increased. The main disadvantage in using this kind of material is related to the possibility of including damages or defects not visible on the surface that compromise their behavior and make their use extremely unsafe if not properly supervised. The most conventional nondestructive techniques allow the detection of damages when they already compromise t
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Haruna, Ryota, Takayuki Kusaka, Ryota Tanegashima, and Junpei Takahashi. "Effect of Material Composition on Impact Energy Absorbing Capability of Composite Laminates." Key Engineering Materials 715 (September 2016): 147–52. http://dx.doi.org/10.4028/www.scientific.net/kem.715.147.

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A novel experimental method was proposed for characterizing the energy absorbing capability of composite materials during the progressive crushing process under impact loading. A split Hopkinson pressure bars system was employed to carry out the progressive crushing tests under impact loading. The stress wave control technique was used to avoid the inhomogeneity of dynamic stress field in the specimen. The progressive crushing behavior was successfully achieved by using a coupon specimen and anti-buckling fixtures. With increasing strain rate, the absorbed energy during the crushing process sl
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Mathew, Eldho, Rajaram Attukur Nandagopal, Sunil Chandrakant Joshi, Pinter Armando, and Pasi Matteo. "Tension-Compression Fatigue Induced Stress Concentrations in Woven Composite Laminate." Journal of Composites Science 5, no. 11 (2021): 297. http://dx.doi.org/10.3390/jcs5110297.

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Tension-compression (T-C) fatigue response is one of the important design criteria for carbon-fibre-reinforced polymer (CFRP) material, as well as stress concentration. Hence, the objective of the current study is to investigate and quantify the stress concentration in CFRP dog-bone specimens due to T-C quasi-static and fatigue loadings (with anti-buckling fixtures). Dog-bone specimens with a [(0/90),(45/−45)4]s layup were fabricated using woven CFRP prepregs and their low-cycle fatigue behaviour was studied at two stress ratios (−0.1 & −0.5) and two frequencies (3 Hz & 5 Hz). During t
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10

Babaei, Iman, Ravin Garg, Lorenzo Vigna, et al. "Newly Developed Anti-Buckling Fixture to Assess the In-Plane Crashworthiness of Flat Composite Specimens." November 3, 2020. https://doi.org/10.3390/app10217797.

Full text
Abstract:
Despite superior specific mechanical characteristics of carbon-fiber-reinforced polymers (CFRPs), a lack of understanding of their fracture mechanisms under different impact conditions has limited the application of CFRP energy-absorbing structures. To avoid complex and expensive tests on the final structure, it is more convenient to test flat elements. To prevent catastrophic crushing due to the global buckling, flat specimens must be supported by a specific fixture. Previously developed fixtures had shortcomings like tearing of the specimen, jamming of the fixture, short crushable length, or
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Dissertations / Theses on the topic "Anti-Buckling Fixture"

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BABAEI, IMAN. "Structural Testing of Composite Crash Structures." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2910072.

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Conference papers on the topic "Anti-Buckling Fixture"

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Narayanan, Advaith, and Cliff Butcher. "Design of a Test Geometry to Characterize Sheared Edge Fracture in a Uniaxial Bending Mode." In WCX SAE World Congress Experience. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0730.

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<div class="section abstract"><div class="htmlview paragraph">The characterization of sheet metals under in-plane uniaxial bending is challenging due to the aspect ratios involved that can cause buckling. Anti-buckling plates can be employed but require compensation for contact pressure and friction effects. Recently, a novel in-plane bending fixture was developed to allow for unconstrained sample rotation that does not require an anti-buckling device. The objective of the present study is to design the sample geometry for sheared edge fracture characterization under in-plane bendi
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Gahan, Kevan W. F., and John P. Parmigiani. "Monotonic and Fatigue Testing of Polymer and Composite Materials Used in Heavy Duty Trucks." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11680.

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Abstract Improved material models for engineered polymer and composite materials including both monotonic and fatigue characteristics are necessary for creating more accurate digital simulations for heavy duty trucks. Unlike steel and other alloys that are commonly included in truck designs, these advanced polymer materials do not have pre-existing fatigue characteristic data. Additionally, there are no individual standard test procedures that can be commonly cited and followed during a research program. These materials are found in hoods, dashboards, body panels and splash shields of trucks,
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