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Journal articles on the topic 'Arior'

Author: Grafiati

Published: 27 July 2024

Last updated: 31 July 2025

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1

Chithaluru, Premkumar, Rajeev Tiwari, and Kamal Kumar. "ARIOR: Adaptive Ranking Based Improved Opportunistic Routing in Wireless Sensor Networks." Wireless Personal Communications 116, no. 1 (2020): 153–76. http://dx.doi.org/10.1007/s11277-020-07709-0.

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Pérez Embid, Florentino. "Breve historia de la revista .Arbor." Arbor CLXXIV, no. 687-688 (2003): 305–16. http://dx.doi.org/10.3989/arbor.2003.i687-688.650.

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Natakusumah, Dantje Kardana, Hendra Achiari, Eka Oktariyanto Nugroho, et al. "Pengembangan PentaPod, Armor Beton Jenis Baru Untuk Pelindung Bangunan Pantai." Jurnal Teknik Sipil 31, no. 1 (2024): 27–44. http://dx.doi.org/10.5614/jts.2024.31.1.4.

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Makalah ini membahas PentaPod adalah sejenis armor baru dari beton yang dirancang untuk melindungi bangunan pantai dari kerusakan akibat gelombang dan arus laut. PentaPod dikembangkan untuk mengatasi keterbatasan dari armor beton yang umum digunakan pada struktur pantai, yang hanya dapat disusun secara acak atau teratur namun dipasang tanpa terikat satu sama lain, menyebabkan stabilitas keseluruhan bangunan pantai yang dilindungi sangat tergantung pada stabilitas individu dari setiap unit armor. Armor Beton PentaPod dapat disusun secara acak dan teratur serta dapat diikatkan satu sama lain. Na

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Pardo, Vicente, Maria Piedad Herrera, Jorge Molines, and Josep Ramon Medina. "PLACEMENT GRIDS, POROSITY AND RANDOMNESS OF ARMOR LAYERS." Coastal Engineering Proceedings 1, no. 33 (2012): 37. http://dx.doi.org/10.9753/icce.v33.structures.37.

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Armor porosity and armor unit randomness are much easier to control in small-scale models constructed by hand than in prototype. Differences between design and prototype armor porosities and design and armor unit randomness can generate significant model effects. This paper describes realistic 3D placement tests with cube and Cubipod CAUs, using a small-scale crawler crane and pressure clamps. This research aims to estimate workable armor porosities at prototype scale and to determine the prototype placement grids to obtain the armor porosities commonly tested in laboratories. A new methodolog

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Marques, Ana Cristina, Rui Manuel Agostinho Gaspar, and Nelson Zagalo. "Arbor." International Journal of Creative Interfaces and Computer Graphics 8, no. 1 (2017): 39–53. http://dx.doi.org/10.4018/ijcicg.2017010103.

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This article will describe the interactive sculpture Arbor in conceptual and operational terms, analyzing the relation developed with users, peering into the technology and the interfaces installed, checking the elapsed interventions and anticipating possible exploits. Arbor, due to its original concept, has had recreational and pedagogical approaches which have exceeded expectations, throughout little more than one year of public exposure. The versatility of Arbor presented the authors with several new dimensions for interaction, exceeding the applicability initially imagined by its authors.

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Lustig, Daniel, Caroline Trippel, Michael Pellauer, and Margaret Martonosi. "ArMOR." ACM SIGARCH Computer Architecture News 43, no. 3S (2016): 388–400. http://dx.doi.org/10.1145/2872887.2750378.

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7

Thompson, Carl Wade. "Armor." Labor 15, no. 2 (2018): 5–6. http://dx.doi.org/10.1215/15476715-4353644.

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8

Greenberg, Judith L., and Bruno Gay-Lussac. "Arion." World Literature Today 70, no. 2 (1996): 350. http://dx.doi.org/10.2307/40152061.

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JONES, H. J. "MODERN ARMOR AND ARMOR-PIERCING PROJECTILES." Journal of the American Society for Naval Engineers 19, no. 3 (2009): 726–60. http://dx.doi.org/10.1111/j.1559-3584.1907.tb00508.x.

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Peng-fei, Kou, Cao Lei, and Liang Zheng-feng. "Research Status and Development Trend of Tandem Armor-Breaking Warheads." Journal of Physics: Conference Series 2478, no. 7 (2023): 072025. http://dx.doi.org/10.1088/1742-6596/2478/7/072025.

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Abstract In order to cope with the continuous progress of tank protection technology, it is imperative to optimize and improve the ability of existing armor-breaking warheads. This paper mainly introduces the development history of explosive reactive armor, shaped charge jet formation theory, shaped charge jet penetration theory, armor-breaking warhead technology, series armor-breaking warhead technology and research status of armor-breaking/killing compound warhead technology. Finally, the development trend of armor-breaking warhead in the future is described, in order to provide some enlight

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Blackledge, Christopher, Daniel Carruth, Kari Babski-Reeves, David Close, and Marianne Wilhelm. "Effects of Body Armor Design on Upper Body Range of Motion." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 53, no. 14 (2009): 907–11. http://dx.doi.org/10.1177/154193120905301411.

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Body armor for law enforcement personnel is critical in ensuring the safety and protection of these individuals, though literature on the impact of body armor design on task performance is not readily available in the public domain. The objective of this study was to assess the effects of body armor design on range of motion for the shoulder, neck, and back. Three armor configurations (no armor (Baseline), concealable body armor (CBA), and external body armor (EBA)) were studied. Results indicated that for most measurements, the EBA condition resulted in significantly lower ranges of motion th

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12

Shah, Imtiaz Alam, Rafiullah Khan, Seyed Saeid Rahimian Koloor, et al. "Finite Element Analysis of the Ballistic Impact on Auxetic Sandwich Composite Human Body Armor." Materials 15, no. 6 (2022): 2064. http://dx.doi.org/10.3390/ma15062064.

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In this study, the ballistic impact behavior of auxetic sandwich composite human body armor was analyzed using finite element analysis. The auxetic core of the armor was composed of discrete re-entrant unit cells. The sandwich armor structure consisted of a front panel of aluminum alloy (Al 7075-T6), UHMWPE (sandwich core), and a back facet of silicon carbide (SiC) bonded together with epoxy resin. Numerical simulations were run on Explicit Dynamics/Autodyne 3-D code. Various projectile velocities with the same boundary conditions were used to predict the auxetic armor response. These results

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Zhou, Ren Bin, Xue Bing Liao, An Qing Ming, and Yong Feng Zhang. "Simulation Study on Armor-Piercing Effect of Armor-Piercing Bomb." Applied Mechanics and Materials 456 (October 2013): 55–59. http://dx.doi.org/10.4028/www.scientific.net/amm.456.55.

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Studying the armor-piercing effect of armor-piercing bomb that attacks aluminum target is essential, because the target can be considered the simulation of the actual fight equipment. Based on the hypothesis about building the fraction field, the armor-piercing effect of armor-piercing bomb is analyzed, and the velocity and the intruding depth parameter model of armor-piercing effect are established. Taking a certain armor-piercing bomb as example, the intruding processes of armor-piercing effect are simulated by using the nonlinear finite element analysis program LS-DYNA, while aluminum targe

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Medina, Josep R., M. Esther Gómez-Martín, and Antonio Corredor. "INFLUENCE OF ARMOR UNIT PLACEMENT ON ARMOR POROSITY AND HYDRAULIC STABILITY." Coastal Engineering Proceedings 1, no. 32 (2011): 41. http://dx.doi.org/10.9753/icce.v32.structures.41.

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The handling procedure and placement grid of concrete armor units (CAUs) are the key construction factors of armor layers. This paper analyzes conventional cube and Cubipod CAUs which are handled by pressure clamps and placed randomly. Two methodologies for small-scale blind construction of armor layers in laboratories are compared using a Cartesian system and crawler cranes. Model construction by hand in laboratories is usually done in excellent conditions contrary to actual construction at prototype scale which is blind underwater and is influenced by wind, waves and equipment constraints. F

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Baloš, Sebastian, Milan Pećanac, Mirjana Trivković, and Leposava Šidjanin. "Ballistic behavior of multilayer wire mesh application armor." Advanced Technologies & Materials 44, no. 2 (2019): 7–11. http://dx.doi.org/10.24867/atm-2019-2-002.

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In this paper, an attempt was made to increase the ballistic protection of the armor system by combining non-homogenous spaced armor in form of multilayer wire mesh with rolled homogenous armor steel base plate. Different angles of incidence were tested: 0, 20, 25 and 35o, by using 12.7 mm armor piercing incendiary ammunition from 100 m. It was found that the inclination of the armor system has a negative effect on ballistic resistance due to variations in wire body-to-body distance, some of which can increase, causing a decreased contact with the projectile and an insufficient yaw. The yaw ca

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Toksoy, A. Kaan, Volkan Arıkan, Ramazan Karakuzu, Yusuf Arman, and Aytaç Gören. "Experimental study on spall behavior of single and multi-plate composites behind armor subjected to shaped charge." Journal of Composite Materials 54, no. 24 (2020): 3491–99. http://dx.doi.org/10.1177/0021998320916229.

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Spall behavior of single and multi-layered hybrid composite structures behind armor was investigated by using shaped charge. Firstly, spall cone angles of Aluminum 5083-H116 and rolled homogeneous armor (RHA) steel as base armor materials were determined without any composite to select base armor. The single and multi-plates composite samples were produced by using S2 glass plain fabric, Kevlar plain fabric and hybrid Carbon-Kevlar twill fabric and epoxy resin system. After that, composite samples were placed behind the selected base armor plates with different distance in between them. The ch

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Li, Meng, Xuchao Pan, Yu Hao, et al. "The influence of digging holes inside the shell on the firing strength of armor piercing shells." Journal of Physics: Conference Series 2891, no. 8 (2024): 082028. https://doi.org/10.1088/1742-6596/2891/8/082028.

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Abstract The filling of active materials in the internal openings of armor piercing bullets can improve their destructive ability. In order to study the firing strength of armor piercing bullets after opening the holes, this paper takes 30mm armor piercing bullets as the research object, changes the opening aperture of the armor piercing bullets, and establishes a theoretical model of stress changes in the dangerous section of the bullet under different excavation radii based on the Brink method. Then, the finite element simulation software LS-DYNA is used to simulate and analyze the firing st

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Wang, Qun, Yu Lei Li, Jin Jun Tang, Xing Wang, Xiao Yu Jin, and Zi Yu Liu. "Ballistic Performance of Hybrid Structure Armor against Projectile." Applied Mechanics and Materials 433-435 (October 2013): 2064–67. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.2064.

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Based on the understanding of material characteristics and interaction between projectile and target, a lightweight hybrid composite armor target consisting of alumina ceramics pellets and ultrahigh molecular weight polyethylene (UHMWPE) was designed and prepared. The target areal density of the armor panel was 7.5 g/cm2. The standard size of the armor panel was 150mm×150mm×43mm. The Ballistic Performance of Alumina/UHMWPE composite armor against an impact of 12.7 mm armor piercing (AP) projectile was investigated at the nominal velocity of 818 m/s. The energy absorbing mechanism revealed that

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19

Kim, Jae-hwi. "Changes in 5th Century Cavalry Scale Armor." Korean Association of University Museums 104 (December 31, 2024): 83–100. https://doi.org/10.61130/kmh.2024.104.83.

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The armor for Cavalry in the 5th century consists of body armor and accessory armor that protects the neck and shoulders. Among them, the armor that protects the body consists of Dongchal, Yochal, and Sangchal, of which Yochal is the most morphologically specific and easy to distinguish. It was revealed that the change of Yochal has been transformed into an S-shape → U-shape → Omega-shape through the excavation and research of armor. In 2024, the Gyeongju National Research Institute of Cultural Heritage reported the excavation of the C10 from the Gyeongju Jeoksam C10 through 『Ⅹ V of the Silla

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Păpureanu, Anna-Maria, Heike Reise, and András Varga. "First records of the invasive slug Arion lusitanicus auct. non Mabille (Gastropoda: Pulmonata: Arionidae) in Romania." Malacologica Bohemoslovaca 13 (March 24, 2014): 6–11. https://doi.org/10.5817/MaB2014-13-6.

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The invasive pest slug Arion lusitanicus (also known as Arion vulgaris) has spread throughout much of Europe within the last 60 years, becoming one of the worst agricultural and horticultural pest species. It has now been detected in Romania for the first time. There are dense populations at two sites in Braşov County (2013) and another occurrence in Mureş County (2012). We review occurrences in neighbouring countries and discuss evidence that A. lusitanicus might have arrived in Romania earlier. Further research on the species’ spread in Romania and on its impact on the native fauna and

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Zapary, Vasily V. "Technical and Economic Aspects of the Design and Production of Tank Armor in the USSR: 1930–1945." Economic History 18, no. 4 (2022): 300–309. http://dx.doi.org/10.15507/2409-630x.059.018.202204.300-309.

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Introduction, Materials and Methods. The first part of the publication is devoted to the consideration of the technical and economic aspects of the designing and production of tank armor in the USSR in 1930–1936, when the formation of Soviet tank building was taking its place. The reasons for the refusal of the country’s military industry from the mass production of heterogeneous armor and its transition to homogeneous armor are shown. The relevance of the study is due to the need to study the historical experience of the development of the Russian military industry in the context of increasin

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Luz, Fernanda Santos da, Fabio da Costa Garcia Filho, Michelle Souza Oliveira, Lucio Fabio Cassiano Nascimento, and Sergio Neves Monteiro. "Composites with Natural Fibers and Conventional Materials Applied in a Hard Armor: A Comparison." Polymers 12, no. 9 (2020): 1920. http://dx.doi.org/10.3390/polym12091920.

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Natural-fiber-reinforced polymer composites have recently drawn attention as new materials for ballistic armor due to sustainability benefits and lower cost as compared to conventional synthetic fibers, such as aramid and ultra-high-molecular-weight polyethylene (UHMWPE). In the present work, a comparison was carried out between the ballistic performance of UHMWPE composite, commercially known as Dyneema, and epoxy composite reinforced with 30 vol % natural fibers extracted from pineapple leaves (PALF) in a hard armor system. This hard armor system aims to provide additional protection to conv

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Wu, H. L., C. Miao, X. M. Mu, et al. "Study on ballistic performance of a spherical cylindrical ceramic armor structure." Journal of Physics: Conference Series 2478, no. 7 (2023): 072010. http://dx.doi.org/10.1088/1742-6596/2478/7/072010.

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Abstract A new type of ceramic armor structure is designed by using spherical cylindrical ceramic splice plate as panel with metal steel frame applied, TC4 titanium alloy and 685 steel as back plate respectively in this paper. Ballistic test of spherical cylindrical ceramic armor structure was carried out by firing 14.5mm penetrator projectile with 14.5mm ballistic gun. Results show that: damage area of spherical cylindrical ceramic armor is smaller when the weight is lighter and the aftereffect damage is similar, and ballistic performance of spherical cylindrical ceramic armor structure is be

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Wang, L., X. Han, LL Wang, et al. "New Explosive Composite Armor Technology for Light Armored Vehicles." Journal of Physics: Conference Series 2460, no. 1 (2023): 012136. http://dx.doi.org/10.1088/1742-6596/2460/1/012136.

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Abstract Taking the future add-on armor of light armored platforms as the application background and research object, in view of armored combat vehicles’ weak survivability and low protection capability against RPGs and armor-piercing projectiles in urban warfare, and based on the research on protection mechanisms of traditional reactive and ceramic composite armor, a new type of explosive composite armor consisting of a composite shell, an explosive structural unit and a lightweight composite unit has been successfully developed. It provides effective protection against RPGs and armor-piercin

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Bijauliya, Rohit Kumar, Pushpendra Kannojia, Pankaj Mishra, Prashant Kumar Singh, and Rahul Kannaujia. "Pharmacognostical and Physiochemical Study on the Leaves of Nyctanthes arbor-tristis Linn." Journal of Drug Delivery and Therapeutics 11, no. 4 (2021): 30–34. http://dx.doi.org/10.22270/jddt.v11i4.4914.

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Aim: To rationalize the macroscopial, microscopical and physico-chemical studies on leaves of plant Nyctanthes arbor-tristis Linn. Methods: The pharmacognostic characters were determined in terms of macroscopy, microscopy and powder microscopy of plant Nyctanthes arbor-tristis leaves. The crude ethanolic extract of leaves of Nyctanthes arbor-tristis Linn. was using physico-chemical parameters, and preliminary phytochemical investigation (TLC). Results: The microscopic study shows the general characteristic of Nyctanthes arbor-tristis leaves. Phytochemical analysis revealed the presence of vari

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Zheng, Jianhua, Lin Zhong, Hongxia Chen, Xiaomei Huang, and Haijian Cao. "Research on Bending Performance of Three-Dimensional Deep Angle Interlock Kevlar/EP Armor Material." Materials 15, no. 15 (2022): 5321. http://dx.doi.org/10.3390/ma15155321.

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Three-dimensional (3D) woven composites have attracted much attention in the lightweight research of protective armor due to their high specific strength and good impact resistance. However, there are still many gaps in terms of the performance and influencing factors of three-dimensional deep-angle-interlock (3DDAI) Kevlar/EP armor materials. Therefore, in order to prepare 3DDAI Kevlar/EP armor materials with excellent ballistic resistance and mechanical properties, this paper studies the bending performance of 3DDAI Kevlar/EP armor materials and the influence of the number of stacking layers

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Kuz’min, V. I., V. I. Lysak, S. V. Kuz’min, E. V. Kuz’min, V. O. Kharlamov, and Ya V. Melnikov. "PROSPECTS FOR CREATING DISCRETE-REINFORCED ARMOR COMPOSITES BY EXPLOSION WELDING." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 11(246) (November 26, 2020): 14–18. http://dx.doi.org/10.35211/1990-5297-2020-11-246-14-18.

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The paper presents the results of research on the creation of discrete-reinforced composite armor (DAC) by explosion welding. The advantages of new-generation composite armor and comparative data with the best analogues of domestic bullet-proof vests and armor panels are presented. Based on the results of ballistic tests, it was found that the DAC armor corresponds to the level of protection for class 5, i.e. it is not penetrated by bullets of increased hardness. It is shown that even after multiple bullet hits, the DAC armor retains its integrity and strength.

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Jackson, Justin W. "Shedding the Robes of Kingship: Samuel’s Subtle Imagery and a Surprising Lesson about Israel’s True King." Bulletin for Biblical Research 34, no. 1 (2024): 20–42. http://dx.doi.org/10.5325/bullbiblrese.34.1.0020.

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Abstract This article explores the robe/armor removal imagery in the book(s) of Samuel. Through a study of the key instances of robe/armor removal, this article seeks to show how Samuel’s imagery develops the theme of Davidic kingship. As will be argued, the narrator uses the literary device of robe/armor removal to attest to the kingly nature of the one before whom a character’s robe or armor is removed. In the end, this literary pattern of robe/armor removal will shed light on David’s strange, somewhat undignified, “uncovering” in 2 Sam 6. By tracking the use of robe/armor removal imagery, i

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Yang, Rui, Kuiwu Li, Likui Yin, et al. "Study on the Penetration Power of ZrO2 Toughened Al2O3 Ceramic Composite Projectile into Ceramic Composite Armor." Materials 15, no. 8 (2022): 2909. http://dx.doi.org/10.3390/ma15082909.

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This work aims to improve the penetration ability of a 14.5 mm standard armor-piercing projectile into ceramic/armor steel (Al2O3/RHA) composite armor. To this end, ZrO2 toughened Al2O3(ZTA) is prepared as the material for bullet tips, utilizing in situ solidification injection molding that is realized via ceramic dispersant hydrolytic degradation. The penetration power of ZTA ceramic composite projectile, compared with standard armor, against 15 mm armor steel (RHA) and 30 mm Al2O3/RHA composite armor, is studied by ballistics testing combined with numerical simulation. The Tate theory is opt

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Ikhsan, Cahyono, Ariva S. Permana, and Arlendenovega S. Negara. "Armor Layer Uniformity and Thickness in Stationary Conditions with Steady Uniform Flow." Civil Engineering Journal 8, no. 6 (2022): 1086–99. http://dx.doi.org/10.28991/cej-2022-08-06-01.

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The continuous movement of riverbed particles due to turbulent flow determines the stability of non-cohesive riverbeds and banks during riverbed and bank erosion and sedimentation. This study emulated the stable channel design by deriving the low maintenance cost of the channel through bed protection by an armor layer. The study investigated the effects of shear stress and grain size uniformity to determine the minimum non-cohesive armor layer thickness for the stability of riverbeds under steady uniform flow conditions. Experiments were conducted with four different discharges, five armor mat

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Castillejo, José, Jorge Rodríguez-Castro, and Javier Iglesias. "Las babosas de Cataluña (NE de la Península Ibérica): las especies del género Arion de Alejandro Torres Mínguez (Gastropoda: Pulmonata: Arionidae)." Spira 6, no. 3-4 (2017): 137–69. https://doi.org/10.5281/zenodo.8287381.

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The slugs of Catalonia (NE Iberian Peninsula): the species of the genus Arion of Alejandro Torres Mínguez (Gastropoda: Pulmonata: Arionidae).— Between 1923 and 1927, Alejandro Torres Mínguez described a total of 12 species of the genus Arion, 8 of which in Catalonia. The specimens were provided by a network of naturalists, who sent him the slugs preserved in alcohol, accompanied by annotations. The descriptions of the species are obscure and incomplete. The specimens were deposited in the Museum of Zoology of Barcelona. The objective of this work is to know the taxonomic va

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Kim, Hyuk-Joong. "A Study on the Use of Organic Substances in the Production of Armor during the Three Kingdoms Period." Yeongnam Archaeological Society, no. 83 (January 30, 2019): 31–60. http://dx.doi.org/10.47417/yar.2019.83.31.

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There are quite a few extant historical records, including The History of the Three Kingdoms (Samguk Sagi, 1145), which show that the three ancient Korean kingdoms waged a long succession of wars with each other. None of these materials, however, provides detailed information about the weapons and protective armor their armies used during combat. Thankfully, recent archaeological surveys and excavations of old tombs and fortifications have revealed that the warriors of these ancient Korean kingdoms wore various types of suits of armor and helmets. Relics unearthed from graves show that the pro

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Dachkovskyi, Volodymyr, Ivan Datsenko, Viktor Golub, et al. "Mathematical model of the impact of 12.7 mm kinetic action ammunition on an armored obstacle with additional armor." Strength of Materials and Theory of Structures, no. 109 (November 11, 2022): 273–86. http://dx.doi.org/10.32347/2410-2547.2022.109.273-286.

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Abstract. In today's conditions, there is a need to find new and effective ways (means) to protect armored vehicles and increase their protection against modern means of destruction, as evidenced by the analysis of the damage received by armored vehicles during the repulsion of armed aggression against Ukraine. Various methods and means of additional protection always require practical verification of their feasibility. The purpose of this article is to present the main approaches to assessing the level of stability of an armored obstacle with additional armor and to build a mathem

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Ding, Li, Xiaohui Gu, Peihui Shen, and Xiangsheng Kong. "Ballistic Limit of UHMWPE Composite Armor under Impact of Ogive-Nose Projectile." Polymers 14, no. 22 (2022): 4866. http://dx.doi.org/10.3390/polym14224866.

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The ballistic response of armor has been widely used to evaluate its feasibility and advantages as a protective structure. To obtain the ballistic performance and ballistic limitations of composite armor, a type of ultra–high molecular weight polyethylene (UHMWPE) composite armor is designed, which is composed of UHMWPE laminates and steel face sheets of Q235. The total thickness of the armor is 53 mm, with an in–plane dimension of 300 mm × 300 mm. Then, an experimental study of the ballistic impact response of composite armor subject to a typical ogive–nose projectile was carried out. In the

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Zhang, Xiu Mei, Di Cui, Hui Jun Jia, and He Liang. "Numerical Simulation Study on Damage Mechanism of Throat Armor." Advanced Materials Research 148-149 (October 2010): 289–92. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.289.

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Throat armor is very important for blast furnace in metallurgical industry, and its quality determines whether the procedure of blast furnace smelting can be carried out steadily for a long time. In this paper, the methods of mathematical simulation and actual production of blast furnace are applied, and the damage mechanism for throat armor is analyzed and studied. The results show that, the high temperature erosion and heat stress are the main reasons for throat armor damage, which make it upwarp falling, deform and fall off. According to the research of practical usage of throat armor, it p

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Orrú, Clara, Astrid Blom, and Wim S. J. Uijttewaal. "Armor breakup and reformation in a degradational laboratory experiment." Earth Surface Dynamics 4, no. 2 (2016): 461–70. http://dx.doi.org/10.5194/esurf-4-461-2016.

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Abstract. Armor breakup and reformation was studied in a laboratory experiment using a trimodal mixture composed of a 1 mm sand fraction and two gravel fractions (6 and 10 mm). The initial bed was characterized by a stepwise downstream fining pattern (trimodal reach) and a downstream sand reach, and the experiment was conducted under conditions without sediment supply. In the initial stage of the experiment an armor formed over the trimodal reach. The formation of the armor under partial transport conditions led to an abrupt spatial transition in the bed slope and in the mean grain size of the

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Lestari, Ary, Leni Tria Melati, Kasim Kasim, Jupriyanto Jupriyanto, and George Royke Deksino. "Ceramic Armor as Protective Material in Defense Industry Product: A Literature Review." MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering 5, no. 1 (2022): 101–12. http://dx.doi.org/10.46574/motivection.v5i1.175.

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Ceramics are currently widely used in various defense industries. Among them are the purposes of body armor (vests and helmets), vehicle protection, and ballistic protection. This review aims to provide insight into ceramic armor materials including their manufacture, use, and application as protective materials. The method used is a literature review and describes the results of the analysis related to the application of ceramic materials in the form of ceramic armor. The use of ceramic armor materials in defense industry products is proven to provide good performance compared to metal materi

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Xiang, He, Xiangfei Peng, Yang Yang, and Mu Niu. "Study on the Ballistic Performance of Ceramic/UHMWPE Composite Armor Plates with Fiber Constraints." Journal of Physics: Conference Series 2891, no. 15 (2024): 152031. https://doi.org/10.1088/1742-6596/2891/15/152031.

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Abstract Ballistic ceramic with high hardness, high compressive strength, and low density is one of the most important materials in modern armor due to its resistance against high-speed bullet penetration. However, its poor ductility results in extensive fragmentation during penetration, significantly reducing the effective protection area of the armor. In this study, a three-dimensional constraint was employed to investigate the influence of such constraint on the anti-penetration performance of ceramic/UHMWPE composite armor. Using the same winding method, three types of ceramic tiles were c

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Aulia, Feri, Hamdani Hamdani, and Darmein Darmein. "Desain dan Pabrikasi alat Bantu Arbor Untuk Membuat Roda Gigi pada Mesin Frais Vertikal." Jurnal Mesin Sains Terapan 7, no. 2 (2023): 77. http://dx.doi.org/10.30811/jmst.v7i2.4481.

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Mesin frais vertikal umumnya digunakan untuk memproduksi roda gigi yang memiliki ukuran yang presisi dan kualitas yang tinggi, namun dalam proses produksinya diperlukan alat bantu arbor yang dapat membantu menghubungkan roda gigi dengan mesin frais secara efektif dan aman. Arbor adalah sebuah alat bantu yang digunakan untuk mempertahankan poros roda gigi yang solid dan sejajar dengan poros spindle mesin frais. Pembuatan arbor yang tepat dan berkualitas dapat meningkatkan efisiensi produksi dan meminimalkan kesalahan dalam pembuatan roda gigi. Alat ini dibuat dengan jenis material AISI 316 anne

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Strazzella, Michele, and Nobuhisa Kobayashi. "PREDICTION OF CORE STONE DAMAGE THROUGH THINNED ARMOR LAYER." Coastal Engineering Proceedings, no. 38 (May 29, 2025): 5. https://doi.org/10.9753/icce.v38.structures.5.

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The stability of rock armor layers has been investigated extensively, but the stability of underlayer and core stones underneath the damaged and thinned armor layer has not been measured experimentally. Strazzella and Kobayashi (2022) conducted an experiment in a wave flume to measure the remaining capacity of low-crested rubble mounds damaged by breaking waves in the surf zone. A mound of a double armor layer on smaller core stones was exposed to irregular wave action lasting 22.2 hours. The core stone was visible through the thinned armor layer but remained in place. The mound with a single

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KONONENKO, G. A., T. V. KIMSTACH, О. А. SAFRONOVA, and R. V. PODOLSKY. "THE RELATIONSHIP BETWEEN THE MECHANICAL PROPERTIES OF ARMOR STEEL AND ITS BALLISTIC RESISTANCE (overview)." Physical Metallurgy and Heat Treatment of Metals, no. 1 (100) (May 27, 2023): 22–31. http://dx.doi.org/10.30838/j.pmhtm.2413.280323.22.941.

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The relevance of the work. Today the industry is actively developing in the field of manufacturing means for protection of all types of armored vehicles against fire damage by small arms and artillery weapons. At present, ensuring high dynamic resistance of armor against modern weapons without increasing its thickness and, accordingly, the mass of the structure as a whole is achieved due to the use of various non-metallic materials (armor ceramics, high-strength fabrics, etc.) as part of compositions with traditional steel armor. The development and design of workable materials and structures

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LIM, Chae-Woo. "A Critique on the Issues Surrounding Admiral Yi Sun-sin’s Armor: Focusing on the Relationship with the So-Called Armor of Yi Bong-sang and the Portrait Enshrined at the Tongyeong Chungmugong Memorial Hall." Tae Dong Institute of classic research 54 (June 30, 2025): 139–72. https://doi.org/10.31408/tdicr.2025.54.139.

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Traditional Korean armor during the Joseon Dynasty was typically of an integrated (one-piece) type, yet Admiral Yi Sun-sin is often depicted wearing segmented (multi-piece) armor in portraits and statues, leading to criticisms concerning various issues of historical accuracy. Recently, further confusion has arisen as the so-called armor of General Yi Bong-sang has mistakenly been regarded as that of Admiral Yi Sun-sin. This study examined the previously raised issues concerning the armor depicted in Admiral Yi’s current portraits and statues, analyzing them one by one. In doing so, it investig

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Park, Jun Hyun, Seong Ho Kim, and Jae Hwi Kim. "A Restoration Study of Bokchundong-34's Armor and Helmet." Yeongnam Archaeological Society, no. 81 (May 30, 2018): 87–113. http://dx.doi.org/10.47417/yar.2018.81.87.

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Bokchundong-Tombs, from which various Armors of the fourth and fifth centuries were excavated, is a critical site for Three-Kingdom era Armor research. Despite the excavation of various types of Armor, including Scale Armor, Neck Aromor, Vertical Plate Helmet, and Bard(Horse Sacale Armor), Bokchundong-34 has not captured scholastic attention due to the lack of detailed information. This report examined the significance of Bokchundong-34 through the examination of recently reported restoration and production methods of Bokchundong-34 Armors. First of all, the research found Scale Armor to be Do

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Grujicic, Mica, S. Ramaswami, and Jennifer Snipes. "Computational investigation of ballistic-impact behavior and penetration resistance of a nacre-like ceramic/polymer laminated composite." International Journal of Structural Integrity 8, no. 1 (2017): 79–107. http://dx.doi.org/10.1108/ijsi-09-2015-0041.

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Purpose Nacre is a biological material constituting the innermost layer of the shells of gastropods and bivalves. It consists of polygonal tablets of aragonite, tessellated to form individual layers and having the adjacent layers as well as the tablets within a layer bonded by a biopolymer. Due to its highly complex hierarchical microstructure, nacre possesses an outstanding combination of mechanical properties, the properties which are far superior to the ones that are predicted using techniques such as the rule of mixtures. Given these properties, a composite armor the structure of which mim

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Jassem, Ahmed Ehsan, Akram Jassim Jawad, Ahmed Oleiwi Samarmad, and Ahmed Fadhil Hamzah. "Numerical and Experimental Study of Multi-layer Armors for Personal Protection." Physics and Chemistry of Solid State 23, no. 3 (2022): 550–58. http://dx.doi.org/10.15330/pcss.23.3.550-558.

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Currently, personal armor is considered the basic requirement in combat, especially in the Middle East. The current research attempts to design and manufacture a novel body armor from cheap and available materials. When compared to traditional materials’ body armor, composite ballistic body armor has become a superior alternative for personal protection. In this study, alternative materials were proposed to develop an armor consisting of modified rubber and ebonite, as well as pieces of ceramic from alumina as hexagons shape, Kevlar and Carbon woven, and modern technologies shear thickening fl

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Chang, Xuna, Feng Han, Yunyan Ren, Qiao Zhou, and Yang Liu. "Experimental study on the anti-penetration performance of 675 armor steel at low temperature." Journal of Physics: Conference Series 2342, no. 1 (2022): 012004. http://dx.doi.org/10.1088/1742-6596/2342/1/012004.

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Abstract 675 armor steel is a kind of high strength and hard steel newly developed and put into use, which has excellent anti-penetration performance. In order to study the anti-penetration performance of 675 armor steel on 30CrMnSiNi2A projectile and analyze the influence of low temperature on the anti-penetration performance of 675 armor steel. By impacting 675 armor steel with a one-stage light-gas gun, the mechanism of action of the target and the mechanical behavior of armor steel were analyzed. On this basis, adjusted the experimental temperature of 675 armor steel. It was found that the

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Si, Peng, Yan Liu, Junbo Yan, Fan Bai, and Fenglei Huang. "Ballistic Performance of Polyurea-Reinforced Ceramic/Metal Armor Subjected to Projectile Impact." Materials 15, no. 11 (2022): 3918. http://dx.doi.org/10.3390/ma15113918.

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Although polyurea has attracted extensive attention in impact mitigation due to its protective characteristics during intensive loading, the ballistic performance of polyurea-reinforced ceramic/metal armor remains unclear. In the present study, polyurea-reinforced ceramic/metal armor with different structures was designed, including three types of coating positions of the polyurea. The ballistic tests were conducted with a ballistic gun; the samples were subjected to a tungsten projectile formed into a cylinder 8 mm in diameter and 30 mm in length, and the deformation process of the tested tar

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Viliš, Jindřich, Vlastimil Neumann, Roman Vítek, Jan Zouhar, Zdeněk Pokorný, and Milan Marek. "Analysis of Ballistic Impact of 7.62 mm FMJ M80 Rifle Projectile into Twaron/UHMWPE Composite Armor." Journal of Composites Science 7, no. 9 (2023): 390. http://dx.doi.org/10.3390/jcs7090390.

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This article deals with the ballistic impact of the 7.62 mm FMJ M80 rifle projectile into the laminated Twaron/UHMWPE composite armor. The armor composition consisted of composite panels made from Twaron CT 747 para-aramid fabric and ultra-high-molecular-weight Endumax Shield XF33 polyethylene. To analyze the ballistic impact and to verify the resistance of the designed armor according to the NATO AEP 4569 STANAG standard, protection level 1, 7.62 × 51 mm FMJ NATO M80 rifle cartridges with lead projectiles were used in the ballistic experiment. After the projectile impact, the damage failure m

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Lewis, Jon. "Silicon Ardor." Afterimage 19, no. 4 (1991): 13–14. http://dx.doi.org/10.1525/aft.1991.19.4.13.

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Pelaez Bravo, Paloma. "Arbor-artealización." Revista Visuais 6, no. 2 (2020): 161–91. http://dx.doi.org/10.20396/visuais.v6i2.14767.

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 El objetivo de la investigación es presentar la importancia que tiene el estudio de los sistemas arbóreos desde de la plástica pictórica en la configuración de la mirada para el artista actual y más en particular para el pintor del natural. El sistema arbóreo se constituye como principal componente físico, paisajístico y ecológico de nuestro entorno natural y antropizado. Se pretende explorar la repercusión del árbol en la redefinición del paisaje pintado en la actualidad en lo que hemos denominado como proceso de arbor-artealizacion. Dicho proceso se demostrará mediante un proyecto rea

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