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Relevant bibliographies by topics / Open Hole Specimens

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Academic literature on the topic 'Open Hole Specimens'

Author: Grafiati

Published: 11 January 2025

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Journal articles on the topic "Open Hole Specimens"

1

Fan, Xiang, Rui Chen, Hang Lin, Hongpeng Lai, Chunyang Zhang, and Qihua Zhao. "Cracking and Failure in Rock Specimen Containing Combined Flaw and Hole under Uniaxial Compression." Advances in Civil Engineering 2018 (2018): 1–15. http://dx.doi.org/10.1155/2018/9818250.

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Flaw is a key factor influencing failure behavior of a fractured specimen. In the present study, rectangular-flawed specimens were prepared using sandstone to investigate the effect of flaw on failure behavior of rock. Open flaw and cylindrical hole were simultaneously precut within rock specimens using high-pressure water jet cutting technology. Five series of specimens including intact, single-hole-alone, two-hole-alone, single-hole and two-flaw, and two-hole and single-flaw blocks were prepared. Uniaxial compressive tests using a rigid servo control instrument were carried out to investigat

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2

Strungar, Elena, Dmitrii Lobanov, and Valery Wildemann. "Evaluation of the Sensitivity of Various Reinforcement Patterns for Structural Carbon Fibers to Open Holes during Tensile Tests." Polymers 13, no. 24 (2021): 4287. http://dx.doi.org/10.3390/polym13244287.

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This paper is devoted to the experimental study of polymeric composite specimens, with various types of reinforcement, in order to evaluate the breaking strength of specimens with open holes when undergoing uniaxial compression and tensile tests. Four types of interlaced 3D woven preforms were considered (orthogonal, orthogonal combined, with pairwise inter-layer reinforcement, and with pairwise inter-layer reinforcement and a longitudinal layer), with a layered preform used for comparison. Tensile tests of solid specimens without a hole, under ASTM D 3039, and of specimens with an open hole,

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3

Ivetic, Goran, Ivan Meneghin, and Enrico Troiani. "Numerical Analysis of Laser Shock Peening as a Process for Generation of Compressive Residual Stresses in Open Hole Specimens." Materials Science Forum 681 (March 2011): 267–72. http://dx.doi.org/10.4028/www.scientific.net/msf.681.267.

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A numerical analysis of Laser Shock Peening (LSP) process is illustrated, applied to an open hole specimen. This specimen is representative of a section of an aircraft fuselage lap joint, typically prone to fatigue crack nucleation at the rivet holes. The effect of the residual stress field induced by LSP on the fatigue life of open hole specimens is investigated. The results show that significant compressive residual stresses can be introduced in fatigue sensitive areas using LSP, postponing fatigue crack nucleation.

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LIANG, SHUANGQIANG, QIHONG ZHOU, and GE CHEN. "Open hole size effects on tensile properties of 3D braided composites." Industria Textila 72, no. 05 (2021): 545–51. http://dx.doi.org/10.35530/it.072.05.202010.

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Owing to the excellent integrated structure, notch-insensitivity, delamination-free characteristics, 3D braided composites have a broad range of engineering applications. In this paper, the notch size effects on two types of 3D braided composites were experimentally examined. Style I incorporated 40% of longitudinal lay-in yarns. Style II was the pure braids. The Point Stress Criterion (PSC) was applied to predict the open-hole strength of 3D braided composites. It is found the 3D braided composites can keep higher proportion residual strength after involving the different circular hole sizes

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Murdani, Anggit, Utsman Syah Amrullah, and R. N. Akhsanu Takwim. "Experimental investigation on strain behavior of jute/polyester composite with an open hole under axial loading." Jurnal Polimesin 21, no. 3 (2023): 351–57. http://dx.doi.org/10.30811/jpl.v21i3.3931.

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Mechanical assembly requires joint mechanism involving fasteners and holes. Deformation of the holes will greatly affect the integrity of the mechanical joins. This research objective is to reveal the strain behavior of jute/polyester composite containing open hole under axial loading. It is very important to know the behavior of the strain surrounding the hole under loading. Experiments were carried out by preparing jute/polyester composites. The composites were manufactured by using a vacuum infusion method. There are two configurations of the number of laminations, i.e., 3 and 5 sheets and

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6

Maimí, P., D. Trias, E. V. González, and J. Renart. "Nominal strength of quasi-brittle open hole specimens." Composites Science and Technology 72, no. 10 (2012): 1203–8. http://dx.doi.org/10.1016/j.compscitech.2012.04.004.

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Wang, Hongxiao, Xiaohui Zhang, and Yugang Duan. "Investigating the Effect of Low-Temperature Drilling Process on the Mechanical Behavior of CFRP." Polymers 14, no. 5 (2022): 1034. http://dx.doi.org/10.3390/polym14051034.

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Previous research has found that lower temperature drilling is helpful to improve the hole quality of carbon fiber reinforced polymer (CFRP). However, the influence of the lower temperature drilling process on the mechanical behavior of composites is yet not fully understood. To examine the influence of the lower temperature drilling process on the mechanical behavior of CFRP, the open hole CFRP specimens used for mechanical tests were obtained with three cases: drilling with −25 °C/uncoated carbide drills/(1000 rpm, 0.02 mm/r), 23 °C/coated carbide drills/(4000 rpm, 0.03 mm/r), and 23 °C/unco

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8

Liang, Shuangqiang, Qihong Zhou, Haiyang Mei, Ge Chen, and Frank Ko. "Fatigue Behavior of 3D Braided Composites Containing an Open-Hole." Polymers 12, no. 9 (2020): 2147. http://dx.doi.org/10.3390/polym12092147.

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The static and dynamic mechanical performances of notched and un-notched 3D braided composites were studied. The effect of longitudinal laid-in yarn was investigated in comparison with low braiding angle composites. The specimens were fatigue tested for up to millions of cycles, and the residual strength of the samples that survived millions of cycles was tested. The cross-section of the 3D braided specimens was observed after fatigue loading. It was found that the static and fatigue properties of low angle 3D braided behaved better than longitudinally reinforced 3D braided composites. For fai

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9

Dave, Harshit K., Ashish R. Prajapati, Shilpesh R. Rajpurohit, Naushil H. Patadiya, and Harit K. Raval. "Open hole tensile testing of 3D printed parts using in-house fabricated PLA filament." Rapid Prototyping Journal 26, no. 1 (2020): 21–31. http://dx.doi.org/10.1108/rpj-01-2019-0003.

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Purpose Fused deposition modeling (FDM) is being increasingly used in automotive and aerospace industries because of its ability to produce specimens having difficult geometrical shape. However, owing to lack of critical information regarding the reliability and mechanical properties of FDM-printed parts at various designs, the use of 3D printed parts in these industries is limited. Therefore, the purpose of this paper is to investigate the impact of process parameters of FDM on the tensile strength of open-hole specimen printed using in-house-fabricated polylactic acid (PLA). Design/methodolo

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Gaerke, J., X. Zhang, and Z. Wang. "Life enhancement of fatigue-aged fastener holes using the cold expansion process." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 214, no. 5 (2000): 281–93. http://dx.doi.org/10.1243/0954410001532060.

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This paper examines the benefits of cold expanding fastener holes at various stages of the fatigue life in a 2024-T351 low-load transfer joint. The specimens were pre-cycled to 25, 50 and 75 per cent of the baseline fatigue life of a non-expanded specimen and then cold expanded prior to cycling to final failure. The experimental test was designed to provide a close comparison with standard maintenance practices for aircraft structures and used the FALSTAFF spectrum which was derived from actual flight loading. The test results have indicated that part-life cold expansion can provide substantia

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Dissertations / Theses on the topic "Open Hole Specimens"

1

Peignon, Axel. "Contribution au développement de méthodes de caractérisation et de modélisation de LVL de peuplier en vue de leur usage dans la mobilité." Electronic Thesis or Diss., Université de Toulouse (2023-....), 2024. http://www.theses.fr/2024TLSEI017.

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Cette thèse s’inscrit dans le projet « BOOST » (acronyme de « le BOis pOur les STructures des véhicules ») financé par l’Agence Nationale de la Recherche (ANR). Il s’agit d’un Projet de Recherche Collaboratif entre l’ICA (Institut Clément Ader) à Toulouse et le LaBoMaP (LaBoratoire des Matériaux et Procédés) à Cluny.Le bois est une ressource locale, à très faible empreinte carbone et renouvelable. Largement utilisé dans l’aéronautique, mais aussi dans l’automobile en tant que structure travaillante dans le passé, son réemploi devient aujourd’hui un enjeu de la bioéconomie (Mair-Bauernfeind et

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Kolachalama, Annapurna Keshavnarayana Suresh Raju. "Failure mechanisms and energy dissipation in composite off-axis tension specimens with open holes." Diss., A link to full text of this thesis in SOAR, 2007. http://soar.wichita.edu/dspace/handle/10057/1143.

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Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Aerospace Engineering.<br>"May 2007." Title from PDF title page (viewed on Dec. 27, 2007). Thesis adviser: Suresh Raju Keshavnarayana. Includes bibliographic references (leaves 106-111).

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Kolachalama, Annapurna. "Failure mechanisms and energy dissipation in composite off-axis tension specimens with open holes." Thesis, 2007. http://hdl.handle.net/10057/1143.

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Predicting failure of fabric composite laminates in the presence of flaws such as cracks and stress raisers has been an important research problem for the last two decades. Most of the existing models for predicating notched strength are of a ‘cure fit’ nature, wherein the model parameters e.g. characteristic distance or damage zone sizes are chosen so as to fit the experimental data. Such parameters have been shown to depend on notch size and laminate orientation, and as such, cannot be considered material constants for the composite system. The energy dissipation is a physical phenomenon tha

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Books on the topic "Open Hole Specimens"

1

artnoose. Ker-bloom!: Typewriters, tools & open-heart surgeries. Artnoose publications, 1998.

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2

Publishers, Thomas Nelson, ed. The Open Bible: New King James Version. Thomas Nelson Publishers, 1997.

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3

Baum, L. Frank. The wonderful Wizard of Oz. Bantam Books, 1990.

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Baum, L. Frank. The Wizard of Oz. JellyBean Press, 1991.

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Baum, L. Frank. The wizard of Oz. Unicorn Pub. House, 1985.

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Baum, L. Frank. L. Frank Baum's The wonderful Wizard of Oz. University of California Press, 1986.

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Baum, L. Frank. The Wizard of Oz. 2nd ed. Barnes & Noble, Inc., 2013.

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Baum, L. Frank. The wonderful wizard of Oz. Dover Publications, 2002.

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Baum, L. Frank. The wonderful Wizard of Oz. Barnes & Noble, 2012.

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Wolstenholme, Susan, ed. The Wonderful Wizard of Oz. Oxford University Press, 2000.

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Book chapters on the topic "Open Hole Specimens"

1

Lacombe, Alexandra, Yann Landon, Manuel Paredes, Clément Chirol, and Audrey Benaben. "Influence of the Hole Surface Integrity on the Fatigue Strength of an Aluminium Drilled Part." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70566-4_7.

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AbstractFatigue strengths of aluminium 2024-T351 open-hole specimens drilled by axial and orbital drilling processes are compared. Two drilling diameters (Ø) are studied: 6.35 mm and 9.53 mm. Surface integrity characterization tests are conducted in order to study the link between drilling processes, surface integrity and fatigue life. Fatigue test results show an increase of the fatigue life for specimens drilled by axial drilling for Ø = 9.53 mm and no significant difference in fatigue life between the two drilling processes for Ø = 6.35 mm. Surface integrity results show no impact of the roughness on the fatigue strength but a potential positive influence of the hole microhardness on the fatigue life.

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2

Ivetic, G., I. Meneghin, E. Troiani, et al. "Characterisation of Fatigue and Crack Propagation in Laser Shock Peened Open Hole 7075-T73 Aluminium Specimens." In ICAF 2011 Structural Integrity: Influence of Efficiency and Green Imperatives. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1664-3_66.

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Almeida, Hermione De. "Reading the Faces of Pain." In Romantic Medicine and John Keats. Oxford University PressNew York, NY, 1990. http://dx.doi.org/10.1093/oso/9780195063073.003.0005.

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Abstract Faces, expressions bearing the full ranges from joy to sorrow, from innocence to knowledge, of human, natural, and mythic forms, dot the landscape of Keats’s poetry. Early lyrics invoke the “open face of heaven” and “the half -veil’d face of heaven” (“To one who has been long in city pent,” 3, “To Hope,” 45); Spenser is invoked as a “clear sun-rise” because his brows “are arched, open, kind,” and George Felton Mathew’s goodness mirrors “The placid features of a human face” (“Specimen,” 49, “To George F.

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Conference papers on the topic "Open Hole Specimens"

1

Joseph, Ashith P. K., Anthony M. Waas, Wooseok Ji, Evan J. Pineda, Salvatore L. Liguore, and Steven P. Wanthal. "Progressive Damage and Failure Prediction of Open Hole Tension and Open Hole Compression Specimens." In 56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-0466.

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Zhang, Zhiyuan, Yuqiu Yang, and Hiroyuki Hamada. "Mechanical Property of Glass Mat Composite With Open Hole." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87270.

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In using process, joints and fasteners always became the weakest area around holes and easy to generate initial damage. At current study, glass chopped fiber mat and unsaturated polyester were used to fabricate glass mat composite (GMC) plates. The influence of open-hole on mechanical property was investigated from tensile test. The decreasing ratio of notched strength from unnotched strength was compared with different size of holes to evaluate the influence of holes size on the sensitivity of GMC. Two sizes of drills, were employed to make drilling hole on the materials. Different damage are

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3

Croccolo, D., M. De Agostinis, and G. Olmi. "Fatigue Life Improvement of Holed Plates by Interference Fitted Pins." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86118.

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This paper deals with the influence of interference fit coupling on the fatigue strength of holed plates. The effect was investigated both experimentally and numerically. Axial fatigue tests have been carried out on holed specimens made of special microalloyed-steel (896MPa of Ultimate strength and 640MPa of Yield strength) with or without a pin, made of the same material, press fitted into their central hole. Two different conditions have been investigated: the open hole specimens and specimens with 0.6% of nominal specific interference. The experimental stress-life (SN) curves pointed out an

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4

Mollenhauer, David, Daniel Post, and Kenneth Reifsnider. "Moiré Interferometry Measurements of Interlaminar Deformation at an Open Hole in Laminated Composite Materials." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-1196.

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Abstract The deformation on cylindrical surfaces of holes in tensile-loaded laminated composite specimens was measured using new moiré interferometry techniques. Two composite tensile specimens, fabricated from IM7/5250-4 pre-preg with ply layups of [0°4/90°4]3s and [+30°2/-30°2/90°4]3s, were examined using the newly developed moiré interferometry techniques. Circumferential and thickness direction displacement fringe patterns (each 3° wide) were assembled into 90°-wide mosaics around the hole periphery for both composite specimens. Distributions of strain were calculated with high confidence

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McDonald, Joseph, Donyeong Lee, and Ichiro Taketa. "Impact of Stacking Sequence and Size Effects on Open Hole Compressive Performance." In ASME 2024 Aerospace Structures, Structural Dynamics, and Materials Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/ssdm2024-120908.

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Abstract Open hole compression testing is one of the most common evaluations of aerospace-grade composite materials and serves as an important allowable design value. The test utilizes quasi-isotropic laminates. Test results for these laminates are influenced by ply count and stacking sequence changes. Previous studies have focused on the impact of ply vs sub-laminate scaling on notched specimen size effects and resulting strength predictions. Studies analyzing OHC and other compressive testing with stress intensifications have observed the impacts of 0- & 90-degree ply location, however o

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Joseph, Ashith P. K., Anthony M. Waas, and Evan J. Pineda. "The EST Model for Predicting Progressive Damage and Failure of Open Hole Bending Specimens." In 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-0730.

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Bartan, Busra, Bülent Acar, and Altan Kayran. "Three-Dimensional Delamination Analysis in Composite Open Hole Tensile Specimens with Cohesive Zone Method." In 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-0980.

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Ceparano, Angelo, and Raffaella Dell’Aversano. "Predicting the residual strength of open-hole (OH) composite specimens subjected to cyclic loading." In VIII INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology. Author(s), 2016. http://dx.doi.org/10.1063/1.4949709.

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Hallett, Stephen, Wen-Guang Jiang, and Michael Wisnom. "The Effect of Stacking Sequence on Thickness Scaling of Tests on Open Hole Tensile Composite Specimens." In 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-2334.

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HOOS, KEVIN H., HARI K. ADLURU, ERIC ZHOU, et al. "PROGRESSIVE DAMAGE ANALYSIS OF OPEN HOLE COMPRESSION SPECIMENS CONTAINING COMPLEX 3D TEXTILE ARCHITECTURES USING DISCRETE DAMAGE MODELING AND INDEPENDENT MESH METHOD." In Proceedings for the American Society for Composites-Thirty Eighth Technical Conference. Destech Publications, Inc., 2023. http://dx.doi.org/10.12783/asc38/36667.

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Discrete Damage Modeling (DDM) and Independent Mesh Method (IMM) are applied to progressive damage analysis in angle-interlock woven 3D textile composites with open hole loaded in uniaxial compression. The predictions were made by considering, geometrically nonlinear formulation, thermal residual stresses and compression-shear interaction in the tows in the framework of LaRC04 failure criterion. The effects of each of these consideration as well as their combinations was evaluated and concluded that while each separately has only an incremental effect it is their combined effect that resulted

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