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Relevant bibliographies by topics / Four-point bend testing

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Academic literature on the topic 'Four-point bend testing'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Four-point bend testing"

1

Zhai, T. "A self-aligning four-point bend testing rig and sample geometry effect in four-point bend fatigue." International Journal of Fatigue 21, no. 9 (1999): 889–94. http://dx.doi.org/10.1016/s0142-1123(99)00084-5.

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Shetty, Santosh, and Tommi Reinikainen. "Three- and Four-Point Bend Testing for Electronic Packages." Journal of Electronic Packaging 125, no. 4 (2003): 556–61. http://dx.doi.org/10.1115/1.1604158.

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This study demonstrates the application of three-point and four-point bending tests for evaluating the reliability of chip scale packages under curvature loads. A three-point bend test is conducted on 0.5-mm-pitch chip-scale packages (CSPs) mounted on FR4 (Flame Retardant) substrates. This test is simulated by using the finite element method and the results are calibrated experimentally to formulate a reliability model. A three-point bend scheme is an ideal choice for generating reliability models because multiple packages can be tested under multiple loads in a single test. This reliability m

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Vepakomma, K. Hemanth, Stephen H. Carley, Jamie T. Westbrook, Glenn V. Morgan, and Robert D. White. "P-64: Eliminating Buckling in Vertical Four-Point Bend Testing." SID Symposium Digest of Technical Papers 45, no. 1 (2014): 1220–21. http://dx.doi.org/10.1002/j.2168-0159.2014.tb00318.x.

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Birringer, Ryan P., Paula J. Chidester, and Reinhold H. Dauskardt. "High yield four-point bend thin film adhesion testing techniques." Engineering Fracture Mechanics 78, no. 12 (2011): 2390–98. http://dx.doi.org/10.1016/j.engfracmech.2011.05.010.

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LaCroix, B., and P. Ifju. "Quasi-Static Four-Point Bend Testing of Macro-Fiber Composite Unimorphs." Experimental Mechanics 54, no. 7 (2014): 1139–49. http://dx.doi.org/10.1007/s11340-014-9884-0.

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Gage, David M., Kyunghoon Kim, Christopher S. Litteken, and Reinhold H. Dauskardt. "Role of friction and loading parameters in four-point bend adhesion measurements." Journal of Materials Research 23, no. 1 (2008): 87–96. http://dx.doi.org/10.1557/jmr.2008.0001.

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The effects of salient testing parameters on four-point adhesion measurements of thin-film structures on silicon substrates were systematically studied. These included specimen geometry, applied displacement rate, and load point separation. Measured fracture energy values,Gc, were observed to increase as the ratio of applied moment arm to specimen thickness was decreased beyond a value of ∼4, particularly for specimens withGc> 5 J/m2. Testing parameters that affect the steady-state crack velocity were also found to affect reportedGcvalues. The resulting trends inGcvalues are shown to be rel

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Cui, Zhenjiang, Sure Ngo, and Girish Dixit. "A sample preparation method for four point bend adhesion studies." Journal of Materials Research 19, no. 5 (2004): 1324–27. http://dx.doi.org/10.1557/jmr.2004.0177.

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A method to prepare samples for four point bend testing is reported in this paper. The traditional method of sample preparation involves time-consuming steps of sawing with a diamond saw followed by polishing with fine grit to remove the roughness of the sidewall. The new method uses cleaving along the 〈100〉 crystallographic direction, which renders smooth surfaces and eliminates the polishing steps. Load–displacement curves comparing polished versus cleaved samples show that the new technique provides improved results. Elimination of fracture-inducing defects is the primary benefit of this me

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Ponraj, R., and S. Ramakrishna Iyer. "A simple four-point bend creep testing apparatus for brittle ceramic materials." Journal of Materials Science Letters 11, no. 14 (1992): 1000–1003. http://dx.doi.org/10.1007/bf00729906.

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Sun, X. K., X. J. Xin, and Z. J. Pei. "Finite Element Analysis of Die-Strength Testing Configurations for Thin Wafers." Journal of Electronic Packaging 127, no. 2 (2004): 189–92. http://dx.doi.org/10.1115/1.1869510.

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This paper presents an assessment of four die-strength testing configurations using finite element analysis. The simulation indicates that ring-on-ring configuration is the best because it generates a uniform stress field on a large die surface area. The four-point-bend configuration ranks second and the three-point-bend configuration is third. The pin-on-ring configuration is the worst because the stress gradient is severe in the central region. To minimize uncertainty in the loading positions, it is advised that loading rings or bars with small radii be used.

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Feraboli, P., and K. T. Kedward. "Four-point bend interlaminar shear testing of uni- and multi-directional carbon/epoxy composite systems." Composites Part A: Applied Science and Manufacturing 34, no. 12 (2003): 1265–71. http://dx.doi.org/10.1016/s1359-835x(03)00204-5.

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Dissertations / Theses on the topic "Four-point bend testing"

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Vilceus, Daniel. "Adhesion comparison of low dielectric constant thin films using four point bend and nanoscratch testing." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002484.

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Carter, Jeffrey Scott. "Effects of Low Velocity Impact on the Flexural Strength of Composite Sandwich Structures." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1327.

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The use of composite sandwich structures is rapidly increasing in the aerospace industry because of their increased strength-to-weight and stiffness-to-weight characteristics. The effects of low velocity impacts on these structures, however, are the main weakness that hinders further use of them in the industry because the damages from these loadings can often be catastrophic. Impact behavior of composite materials in general is a crucial consideration for a designer but can be difficult to describe theoretically. Because of this, experimental analysis is typically used to attempt to describe

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Jones, Christopher A. "A micromechanical investigation of proton irradiated oxide dispersion strengthened steels." Thesis, University of Oxford, 2016. http://ora.ox.ac.uk/objects/uuid:fadd9abf-b5d0-4ea1-9d86-50628ec0476a.

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This thesis was most concerned with the mechanical response to irradiation of two in-house produced oxide dispersion strengthened (ODS) steels and two non-ODS coun- terparts. The steels, manufactured by Dr. M. J. Gorley (University of Oxford), were me- chanically alloyed from gas-atomised Fe-14Cr-3W-0.2Ti, with the addition of 0.25Y<sub>2</sub>O<sub>3</sub> powder in the case of the ODS variants. The powders were hot isostatic pressed at consolidation temperatures of 950 °C and 1150 °C. The four steels were designated 14WT 950 (non-ODS), 14YWT 950 (ODS), 14WT 1150 (non-ODS) and 14YWT 1

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Books on the topic "Four-point bend testing"

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D, Roberts Gary, Papadopoulos Demetrios S, and United States. National Aeronautics and Space Administration., eds. The effect of contact stresses in four-point bend testing of graphite/epoxy and graphite/PMR-15 composite beams. National Aeronautics and Space Administration, 1992.

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D, Roberts Gary, Papadopoulos Demetrios S, and United States. National Aeronautics and Space Administration., eds. The effect of contact stresses in four-point bend testing of graphite/epoxy and graphite/PMR-15 composite beams. National Aeronautics and Space Administration, 1992.

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Conference papers on the topic "Four-point bend testing"

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Cui, Zhenjiang. "Benchmarking Four Point Bend Adhesion Testing: The Effect of Test Parameters On Adhesion Energy." In CHARACTERIZATION AND METROLOGY FOR ULSI TECHNOLOGY 2005. AIP, 2005. http://dx.doi.org/10.1063/1.2063011.

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Voyer, J., F. Gitzhofer, M. L. Boulos, and J. Dionne. "Acoustic Emission Studies of Thermal Barrier Coatings during Cyclic Four Point Bend Tests." In ITSC 1996, edited by C. C. Berndt. ASM International, 1996. http://dx.doi.org/10.31399/asm.cp.itsc1996p0303.

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Abstract In this study, Acoustic Emission (AE) signals are used to monitor the degradation of plasma sprayed Thermal Barrier Coatings (TBC) using cyclic four point bend tests. Signal analysis both in time and frequency domains is carried out in order to identify the key parameters which can be used to classify the acoustic emission signals as a function of the damage mechanisms. This classification offers a mean of prediction of the long-term behavior of the thermal barrier coating based on the acoustic emission signal signature at the early stages of bench testing. The samples consist of a Ni

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Drexler, Elizabeth, Yong-Yi Wang, Jeffrey W. Sowards, and Marc D. Dvorak. "SE(T) Testing of Pipeline Welds." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31325.

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Single edge-notch tension (referred to as SE(T) or SENT) tests are increasingly being used in the pipeline community, as they are a laboratory-scale fracture toughness test, capable of being performed on linepipe steels and welds. The constraint and loading conditions of the SE(T) specimens more closely correspond with actual field flaws than those of the conventional three-point-bend CTOD (crack tip opening displacement) specimens. The test matrix covered in this paper consists of two nominally X65 pipes and one X80 pipe. Two welding procedures were applied to one of the X65 pipes, resulting

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Schmidt, Tanja, Thomas Haase, and Christoph Bosch. "Non-Standard HIC and SSC Testing Under More Severe Test Conditions." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90171.

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The challenging environment appearing in recent and moreover future deep offshore explorations promoted the development of linepipe steel grades with reliable sour service resistance. Severe sour conditions such as the combination of elevated production temperature, increasing pipeline pressures and high stress loads initiated by modern laying methods or introduced during service are leading to increasing corrosion demands. Steel pipelines used for the transport of media containing wet Hydrogen Sulphide (H2S) are faced with the danger of the cracking phenomena HIC (Hydrogen Induced Cracking) a

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Stephenson, M. D., L. H. Cowell, and R. T. LeCren. "Ceramic Barrier Filters for Coal-Fueled Gas Turbine Service." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-187.

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Solar Turbines is developing a coal fueled version of its 3.8 MW Centaur H gas turbine for cogeneration applications. To protect gas turbine components from erosion and corrosion due to impacting particulates, and to meet New Source Performance Standards for particulate emissions, ceramic barrier filters are being employed. The test program includes evaluation of silicon carbide candle filters. Fourteen candles are being tested for 50 h at design temperature and face velocity using the particulate-laden gas stream from a two-stage slagging combustor system. The testing includes determining col

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Senturk, Ufuk, Rogerio S. Lima, Carlos R. C. Lima, and Christopher C. Berndt. "Deformation of Plasma Sprayed Thermal Barrier Coatings." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-348.

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The deformation behavior of thermally sprayed partially stabilized zirconia (PSZ) coatings are investigated using Hertzian indentation and four-point bend testing, with in situ acoustic emission monitoring. The experimental deformation curves, together with the corresponding acoustic emission responses and the fracture properties of the material are used in defining the deformation characteristics of the coating (ceramic overlay with metallic bond coal where applicable) and substrate composite system. Experiments are aimed in examining the influence of the bond coat and the coating properties

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Smith, Kenneth O., and Roger B. Poeppel. "Assessment of a Failure Probability Prediction Technique for Ceramic Heat Exchanger Components." In ASME 1985 International Gas Turbine Conference and Exhibit. American Society of Mechanical Engineers, 1985. http://dx.doi.org/10.1115/85-gt-178.

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A study was conducted to establish analytical design techniques for predicting the failure probability of ceramic heat exchanger components. Three test specimen geometries representing subscale components of an axial flow, tubular ceramic heat exchanger were selected for evaluation. Failure probability predictions for the specimens subjected to mechanical loads were made using finite element stress and two-parameter Weibull analyses. Weibull parameters for sintered alpha-SiC were determined using as-sintered flexure bars in four-point-bend strength tests. Assessments of the prediction accuracy

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Varghese, Joseph, Bo Song, Michael H. Azarian, Abhijit Dasgupta, and Michael Pecht. "Failure Site Transition During Drop Testing of Printed Wiring Assemblies." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82428.

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This paper reports on the effect of printed wiring assembly (PWA) flexural strain and strain rate and aging on the durability and failure site of Sn-Pb solders in area array packages. Two different plastic ball grid array (PBGA) package styles, one with a single die and the other with stacked die, are used for this study. We consider the effect of intermetallic growth on the failure site transition in the interconnects. Results are compared to similar studies in literature. This study quantifies durability in terms of the local PWA response (PWA flexural strain, PWA flexural strain rate, cycli

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Arun, Sutham, Andrew H. Sherry, Mike C. Smith, and Mohammad Sheikh. "Finite Element Simulation of a Circumferential Through-Thickness Crack in a Cylinder." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28749.

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This paper presents the results of a structural integrity assessment of a large-scale test undertaken as part of the EU programme STYLE on a repair welded pipe containing a circumferential through-thickness crack. The pipe was manufactured from two Esshete 1250 stainless steel pipes joined by a girth weld containing a deep repair. A through-thickness circumferential pre-crack was introduced to the centre of the repair prior to testing in four-point bend. The assessment used a finite element model created in Abaqus, with the weld residual stress introduced by an iterative technique. Linear elas

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Shirazi, Alireza, and Ihab Ragai. "Fatigue Properties and Life Prediction of 8630 Cast Steel in the Presence of Weld Repair and Porosities." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1119.

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The objective of the this work is to study the effect of weld repair and macro-porosities on fatigue properties and fatigue life of AISI 8630 cast steel subjected to bending cyclic loads. Test specimens were cut from a cast steel component that contains macro-porosities. To regain the structural integrity, the component is typically excavated and weld repaired. In this study, weld repairs are simulated by machining a cylindrical groove across the width of the specimen then the groove is welded using different weld rods and various pre and post weld heat treatment conditions. All specimens were

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