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Перегляд Проблемы прочности за темою "Научно-технический раздел"

Репозиторій DSpace/Manakin

Перегляд Проблемы прочности за темою "Научно-технический раздел"

Сортувати за: Порядок: Результатів:

  • 3D Surface Profile Construction and Flaw Detection in a Composite Structure 
    Her, S.-C.; Chu, W.-B. (Проблемы прочности, 2019)
    The nondestructive method of evaluating material properties and structural integrity is built upon ultrasonic scanning, raw data acquisition and processing, coming from an ultrasonic transducer. Commercial software LabVIEW ...
  • Ab initio DFT study of ideal shear strength of polytypes of silicon carbide 
    Umeno, Y.; Kinoshita, Y.; Kitamura, T. (Проблемы прочности, 2008)
    Ab initio density functional calculations are performed to investigate the ideal shear deformation of SiC poly types (3C, 2H, 4H, and 6H). The deformation of the cubic and the hexagonal poly types in small strain region ...
  • Accelerated Life Test and FEM Simulation-Based Fatigue Analysis of an Aluminum Alloy Push Rod 
    Xua, L.; Dai, G.Z. (Проблемы прочности, 2019)
    The accelerated life test based on the spectrum of fatigue loads was used both in numericalsimulation and bench tests of the push rod. The symmetrical cycling of the push rod was presented asthe positive pulsating load ...
  • Accelerating Effects of Cyclic Creep Due to the Alternative Load Compared with Constant Load for CD 304L 
    Daei-Sorkhabi, A.H.; Vakili-Tahami, F. (Проблемы прочности, 2015)
    На основании результатов испытаний на одноосное растяжение выполнена сравнительная оценка ускоренных эффектов циклической ползучести в условиях переменного и постоянного нагружений для аустенитной нержавеющей стали 304L, ...
  • A Comparative Study of Damage Performance of the Kill Element from Different Materials 
    Yin, J.P.; Gao, B.B.; Wang, Z.J.; Zhao, C.L. (Проблемы прочности, 2017)
    For the design of the novel anti-explosive reactive armor tandem warhead, a prerequisite is to improve the reaming capacity and the damage performance of the preceding kill element so that the channel is ready for the ...
  • A Computational Strategy for the Localization and Fracture of Laminated Composites. Part 1. Development of a Localization Criterion Adapted to Model Damage Evolution Time-Delay 
    Boutaous, A.; Elchikh, M.; Abdelouahab, M.; Belaidi, A. (Проблемы прочности, 2011)
    Предложен критерий нестабильности и локализации повреждений в балке из однородного ламината T300/914 для моделирования развития повреждений с учетом эффекта задержки. Результаты, полученные для одномерного случая, ...
  • A Computational Strategy for the Localization and Fracture of Laminated Composites. Part 2. Life Prediction by Mesoscale Modeling for Composite Structures 
    Boutaous, A.; Elchikh, M.; Abdelouahab, M.; Belaidi, A. (Проблемы прочности, 2011)
    Описанный в сообщении 1 одномерный подход развит на случай двухмерного ламинатного композита Т300/914, подвергнутого статическому двухосному растяжению и сдвигу. Решение данной задачи осуществляется с помощью эволюционных ...
  • A Ductile Tear Fracture Analysis of Lap Welded Joints 
    Imad, A.; Nait Abdelaziz, М.; Mesmacque, G. (Проблемы прочности, 2004)
    Numerical analysis of the ductile fracture of lap welded joints has been performed for a standard CT specimen. Mono-, bi- and trimetallic CT configurations were studied in order to compare the J-integral and CTOD global ...
  • Advanced Material Models for Stamping of AW 5754 Aluminum Alloy 
    Slota, J.; Šiser, M. (Проблемы прочности, 2016)
    Predictions by numerical simulations are strongly influenced by availability and reliability of input data. In the most used computational models, the material behavior during deformation is described only by static tensile ...
  • A Method of Virtual Design of the Fatigue Life of a Dynamic Structure 
    Zhao, W.; Zhou, X.; Shena, M. (Проблемы прочности, 2015)
    В современных инженерных расчетах важное место занимают расчеты усталостной долговечности и оценка надежности динамических систем при их случайном нагружении. При проведении этих расчетов необходимо знать плотность спектра ...
  • A model of fatigue crack propagation in metals 
    Yakovleva, T.Yu.; Matokhnyuk, L.E. (Проблемы прочности, 2009)
    A model of the formation and evolution of a local plastic deformation zone at the crack tip is proposed based on the analysis of the main physical processes taking place in a metallic material under the action of cyclic ...
  • An Algorithm for Estimating Minimum Strength of Thin-Walled Structures to Resist Elastic Buckling under Pressure 
    Ishinabe, M.; Hayashi, K. (Проблемы прочности, 2012)
    При проектировании оболочечных конструкций важно учитывать их упругое схлопывание, поскольку оно может привести к разрушению конструкций. В частности, для обеспечения надежности проектирования следует учитывать изменение ...
  • An Alternative Approach to the Fracture Toughness of Dual Phase Steels 
    Ulu, S.; Aytekin, H.; Said, G. (Проблемы прочности, 2013)
    In this study, the effects of ferrite morphology and of ferrite volume fraction on the mechanical properties and the fracture toughness values ( ) KIc of dual phase steels were investigated. The fracture toughness values ...
  • Analysis and Experimental Study of Vibration System Characteristics of Ultrasonic Compound Electrical Machining 
    Deng, Z.Q.; Zhu, Y.W.; Wang, F.; Gu, X.; Yang, D. (Проблемы прочности, 2017)
    The effect of applying ultrasonic vibration in the ultrasonic compound electrical machining is analyzed. According to the resonance system during machining and on the basis of vibration theory, the shape and dimension ...
  • Analysis by Finite Element Method to Redesign a Jointed-Telescopic Crane for Elevation of Personnel 
    Diosdado-De la Peña, J.A.; Balvantín, A.J.; Limón-Leyva, P.A.; Pérez-Olivas, P.A. (Проблемы прочности, 2017)
    This paper proposes a numerical assessment of a crane for elevation of personnel by finite element analysis, validated with experimental data from constituent components of the crane. The original design of the crane ...
  • Analysis of Crack Coalescence in Concrete Using Neural Networks 
    Haeri, H.; Sarfarazi, V.; Zhu, Z. (Проблемы прочности, 2016)
    Fractures in the forms of joints and microcracks are commonly found in concretes, and their failure mechanism strongly depends on the crack coalescence pattern between pre-existing flaws. The determination of the failure ...
  • Analysis of Cutting Surface During Cutting of Electric Sheets 
    Spišák, E.; Kaščák, L.; Majerníková, J.; Džupon, M. (Проблемы прочности, 2017)
    The contribution evaluates the influence of the size of the cutting gap on the quality of the cutting surface during the cutting process. Four types of electrical sheets were evaluated. Examined sheet types have the nominal ...
  • Analysis of Fatigue and Crack Growth in Carbon-Fiber Epoxy Matrix Composite Laminates 
    Putic, S.; Aleksic, R.; Uskokovic, P.S. (Проблемы прочности, 2003)
    A study of high frequency fatigue in carbon-fiber reinforced composites has been undertaken. A comparison has been made between the fatigue behavior of crossply (0/90°) and angleply (±45°) carbon/epoxy unnotched and notched ...
  • Analysis of Fracture Behavior of Thin Polycrystalline Diamond Films 
    Li, D.S.; Zuo, D.W.; Qin, Q.H. (Проблемы прочности, 2014)
    The effect of the substrate temperature and CH₄ concentrations on the fracture behavior of thin polycrystalline diamond films was systematically investigated by X-ray diffraction and scanning electron microscopy. The ...
  • Analysis of fracture mechanisms and surface quality in drilling of composite materials 
    Sedlacek, J.; Humar, A. (Проблемы прочности, 2008)
    The aim of this work is to clarify the interaction mechanisms between the drilling tool and material. Drilling tests were carried out on glass/polyester and carbon/epoxy composites using different twist drills. The cutting ...

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