To see the other types of publications on this topic, follow the link: Biaxial flexure strength.

Journal articles on the topic 'Biaxial flexure strength'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Biaxial flexure strength.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Hsueh, C. H. "Stresses in Multilayered Ceramics Subjected to Biaxial Flexure Tests." Materials Science Forum 606 (October 2008): 79–92. http://dx.doi.org/10.4028/www.scientific.net/msf.606.79.

Full text
Abstract:
Although standard test methods for biaxial strength measurements of ceramics have been established and the corresponding formulas for relating the biaxial strength to the fracture load have been approved by American Society for Testing and Materials (ASTM) and International Organization for Standardization, respectively, they are limited to the case of monolayered discs. Despite the increasing applications of multilayered ceramics, characterization of their strengths using biaxial flexure tests has been difficult because the analytical description of the relation between the strength and the f
APA, Harvard, Vancouver, ISO, and other styles
2

Morrell, R., N. J. McCormick, J. Bevan, M. Lodeiro, and J. Margetson. "Biaxial disc flexure – modulus and strength testing." British Ceramic Transactions 98, no. 5 (1999): 234–40. http://dx.doi.org/10.1179/096797899680507.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Salem, J. A., N. N. Nemeth, L. M. Powers, and S. R. Choi. "Reliability Analysis of Uniaxially Ground Brittle Materials." Journal of Engineering for Gas Turbines and Power 118, no. 4 (1996): 863–71. http://dx.doi.org/10.1115/1.2817007.

Full text
Abstract:
The fast fracture strength distribution of uniaxially ground, alpha silicon carbide was investigated as a function of grinding angle relative to the principal stress direction in flexure. Both as-ground and ground/annealed surfaces were investigated. The resulting flexural strength distributions were used to verify reliability models and predict the strength distribution of larger plate specimens tested in biaxial flexure. Complete fractography was done on the specimens. Failures occurred from agglomerates, machining cracks, or hybrid flaws that consisted of a machining crack located at a proc
APA, Harvard, Vancouver, ISO, and other styles
4

Ban, Seiji, Hideo Sato, Y. Suehiro, H. Nakanishi, and Masahiro Nawa. "Effect of Sandblasting and Heat Treatment on Biaxial Flexure Strength of the Zirconia/Alumina Nanocomposite." Key Engineering Materials 330-332 (February 2007): 353–56. http://dx.doi.org/10.4028/www.scientific.net/kem.330-332.353.

Full text
Abstract:
The effect of sandblasting and heat treatment on biaxial flexure strengths of the zirconia/alumina nanocomposite stabilized with cerium oxide (Ce-TZP/Al2O3 nanocomposite) was evaluated in comparison to that of yttria stabilized tetragonal zirconia polycrystals (Y-TZP). The disc-shaped specimens of the nanocomposite and Y-TZP were sandblasted with 70)m alumina powder. After sandblasting, half of the specimens were heated at 1000°C for 5 min. The biaxial flexure strengths of Y-TZP were independent on the sandblasting, but decreased with the heat treatment. On the other hand, the biaxial flexure
APA, Harvard, Vancouver, ISO, and other styles
5

Sato, Hideo, Naoko Kubota, Seiji Ban, and Youichi Yamasaki. "Effect of Storage Conditions on Biaxial Flexure Strengths of MTA." Key Engineering Materials 396-398 (October 2008): 429–32. http://dx.doi.org/10.4028/www.scientific.net/kem.396-398.429.

Full text
Abstract:
The aim of this study was to determine the biaxial flexure strength of a commercially available dental pulp capping or cavity liner material, mineral trioxide aggregate (MTA). MTA and a conventional pulp capping material, calcium hydroxide, were used in this study. Each material was prepared into a disk-shaped specimen. Those specimens were stored in 100% humidity atmosphere at 23 or 37°C for 3 or 24 h. Six specimens in each condition were used for the biaxial flexure test using a piston-on-three-ball according to ISO-6872. Surface pH values were determined. The biaxial flexure strengths of MT
APA, Harvard, Vancouver, ISO, and other styles
6

Kelly, R. D., G. J. P. Fleming, P. Hooi, W. M. Palin, and O. Addison. "Biaxial flexure strength determination of endodontically accessed ceramic restorations." Dental Materials 30, no. 8 (2014): 902–9. http://dx.doi.org/10.1016/j.dental.2014.05.024.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Tasaka, Akinori, Kaoru Sakurai, Tomofumi Takano, and Masao Yoshinari. "Flexure Strength and Fatigue Durability of Ce-TZP/Al2O3 Nanocomposite with Different Sintering Process and Surface Treatment." International Journal of Prosthodontics and Restorative Dentistry 3, no. 3 (2013): 92–95. http://dx.doi.org/10.5005/jp-journals-10019-1084.

Full text
Abstract:
ABSTRACT Purpose Ce-TZP/Al2O3 nanocomposite (NANOZR) has not only higher strength, but also higher fracture toughness than conventional Y-TZP. NANOZR is generally machined from densely sintered block. However, it is more efficient to sinter densely after machining partially sintered block, if the mechanical strength of final product is enough. Moreover, as for NANOZR, it has been reported that mechanical strength changes with surface treatments. The purpose of this study is to evaluate the effect of sintering process and surface treatment on biaxial flexure strength and fatigue durability of N
APA, Harvard, Vancouver, ISO, and other styles
8

Ban, Seiji, Hideo Sato, Y. Suehiro, H. Nakanishi, and Masahiro Nawa. "Effect of Sintering Condition, Sandblasting and Heat Treatment on Biaxial Flexure Strength of Zirconia." Key Engineering Materials 361-363 (November 2007): 779–82. http://dx.doi.org/10.4028/www.scientific.net/kem.361-363.779.

Full text
Abstract:
The effect of sintering condition, sandblasting and heat treatment on biaxial flexure strengths of the zirconia/ alumina nanocomposite stabilized with cerium oxide (Ce-TZP/Al2O3 nanocomposite, referred to NANOZR) was evaluated in comparison to that of yttria stabilized tetragonal zirconia polycrystals (Y-TZP). The disc-shaped specimens of NANOZR and Y-TZP were cut from the full-sintered or middle-sintered ones. The discs cut from the middle-sintered ones were finally sintered at the same temperature for the full-sintered one. These four kinds of disc were treated in various conditions combined
APA, Harvard, Vancouver, ISO, and other styles
9

Mijoska, Aneta, та Mirjana Popovska. "Evaluation of Different in Vitro Testing Methods for Mechanical Properties of Veneer Ceramics/ Евалуација На Тестовите In Vitro За Одредување На Механичките Особини На Порцеланските Маси За Фасетирање". PRILOZI 36, № 1 (2015): 225–30. http://dx.doi.org/10.1515/prilozi-2015-0050.

Full text
Abstract:
Abstract Metal-ceramic and all-ceramic prosthetic restorations in the patient mouth are often damaged by esthetic and functional problems that reduce their success and longevity. Аim: To evaluate methods for testing mechanical characteristics of dental ceramics through analysis of different testing methods. Material and methods: Dental ceramic materials are tested with in vivo and in vitro methods for their most important mechanical characteristics: hardness, toughness, flexural strength and abrasion. In vitro testing methods are faster and more efficient, without subjective factors from the p
APA, Harvard, Vancouver, ISO, and other styles
10

Aguiar, T. R., C. B. André, A. C. Carvalho, C. A. G. Arrais, F. A. Rueggeberg, and M. Giannini. "Activation mode effect on biaxial flexure strength of resin cements." Dental Materials 27 (January 2011): e50-e51. http://dx.doi.org/10.1016/j.dental.2011.08.520.

Full text
APA, Harvard, Vancouver, ISO, and other styles
11

Chou, Y.-S., J. W. Stevenson, T. R. Armstrong, J. S. Hardy, K. Hasinska, and L. R. Pederson. "Microstructure and Mechanical Properties of Sm1-xSrxCo0.2Fe0.8O3." Journal of Materials Research 15, no. 7 (2000): 1505–13. http://dx.doi.org/10.1557/jmr.2000.0216.

Full text
Abstract:
The room temperature mechanical properties of a mixed conducting perovskite Sm1?xSrxCo0.2Fe0.8O3 (x = 0.2 to 0.8) were examined. Density, crystal phase, and microstructure were characterized. It was found that the grain size increased abruptly with increasing Sr content. Mechanical properties of elastic modulus, microhardness, indentation fracture toughness, and biaxial flexure strength were measured. Young's modulus of 180–193 GPa and shear modulus of 70–75 GPa were determined. The biaxial flexure strength was found to decrease with increasing Sr content from ∼70 to ∼20 MPa. The drop in stren
APA, Harvard, Vancouver, ISO, and other styles
12

Beck, Margaret E. "The Ball-on-Three-Ball Test for Tensile Strength: Refined Methodology and Results for Three Hohokam Ceramic Types." American Antiquity 67, no. 3 (2002): 558–69. http://dx.doi.org/10.2307/1593826.

Full text
Abstract:
Weak impacts, such as those caused by bumping vessels together or knocking vessels over, are a major cause of ceramic vessel breakage. The ball-on-three ball test for resistance to biaxial flexure is intended to test resistance to weak impacts. Ceramic types with greater resistance to biaxial flexure should therefore have longer use lives than those having less resistance. Data on ceramic strength are also important for understanding technological change and the demand for exchanged vessels. This paper refines the original methodology for use of the ball-on-three-ball test (Neupert 1994) and e
APA, Harvard, Vancouver, ISO, and other styles
13

GLANDUS, J. C. "MEANING OF THE BIAXIAL FLEXURE TESTS OF DISCS FOR STRENGTH MEASUREMENTS." Le Journal de Physique Colloques 47, no. C1 (1986): C1–595—C1–600. http://dx.doi.org/10.1051/jphyscol:1986190.

Full text
APA, Harvard, Vancouver, ISO, and other styles
14

Silvestri, Tais, Gabriel Kalil Rocha Pereira, Luis Felipe Guilardi, Marilia Pivetta Rippe, and Luiz Felipe Valandro. "Effect of Grinding and Multi-Stimuli Aging on the Fatigue Strength of a Y-TZP Ceramic." Brazilian Dental Journal 29, no. 1 (2018): 60–67. http://dx.doi.org/10.1590/0103-6440201801735.

Full text
Abstract:
Abstract This study aimed to investigate the effect of grinding and multi-stimuli aging on the fatigue strength, surface topography and the phase transformation of Y-TZP ceramic. Discs were manufactured according to ISO-6872:2008 for biaxial flexure testing (diameter: 15 mm; thickness: 1.2 mm) and randomly assigned considering two factors “grinding” and “aging”: C- control (as-sintered); CA- control + aging; G- ground; GA- ground + aging. Grinding was carried out with coarse diamond burs under water-cooling. Aging protocols consisted of: autoclave (134°C, 2 bars pressure, 20 hours), followed b
APA, Harvard, Vancouver, ISO, and other styles
15

Higgs, W. A. J., P. Lucksanasombool, R. J. E. D. Higgs, and M. V. Swain. "Evaluating acrylic and glass-ionomer cement strength using the biaxial flexure test." Biomaterials 22, no. 12 (2001): 1583–90. http://dx.doi.org/10.1016/s0142-9612(00)00324-0.

Full text
APA, Harvard, Vancouver, ISO, and other styles
16

Krohn, Matthew H., John R. Hellmann, David L. Shelleman, Carlo G. Pantano, and George E. Sakoske. "Biaxial Flexure Strength and Dynamic Fatigue of Soda-Lime-Silica Float Glass." Journal of the American Ceramic Society 85, no. 7 (2004): 1777–82. http://dx.doi.org/10.1111/j.1151-2916.2002.tb00352.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
17

Chou, Yeong-Shyung, K. Kerstetter, L. R. Pederson, and R. E. Williford. "Mechanical and thermal properties of combustion-synthesized perovskites, La1−xSrxCr0.2Fe0.8O3." Journal of Materials Research 16, no. 12 (2001): 3545–53. http://dx.doi.org/10.1557/jmr.2001.0486.

Full text
Abstract:
This paper examined the room-temperature thermal and mechanical properties of a mixed conducting perovskite La1−xSrxCr0.2Fe0.8O3 (x = 0.2 to 0.8). Powders were made by the combustion-synthesis technique and sintered at 1250 °C in air. Sintered density, crystal phase, and grain size were characterized. Linear thermal expansion in air was also tested. Young's and shear moduli, microhardness, indentation fracture toughness, and biaxial flexure strength were determined. It was found that the linear coefficient of thermal expansion increased with increasing Sr content, while elastic modulus appeare
APA, Harvard, Vancouver, ISO, and other styles
18

SATO, Hideo, Daisuke YAMASHITA, and Seiji BAN. "Relation between biaxial flexure strength and phase transformation of zirconia with surface treatments." Journal of the Ceramic Society of Japan 116, no. 1349 (2008): 28–30. http://dx.doi.org/10.2109/jcersj2.116.28.

Full text
APA, Harvard, Vancouver, ISO, and other styles
19

Ban, Seiji, Masahiro Nawa, Y. Suehiro, and H. Nakanishi. "Mechanical Properties of Zirconia/Alumina Nano-Composite after Soaking in Various Water-Based Conditions." Key Engineering Materials 309-311 (May 2006): 1219–22. http://dx.doi.org/10.4028/www.scientific.net/kem.309-311.1219.

Full text
Abstract:
Yttria stabilized tetragonal zirconia polycrystals (Y-TZP) have been applied to dental crown and bridges. Whereas, to further improve its mechanical strength, the zirconia/alumina nano-composite stabilized with cerium oxide (Ce-TZP/Al2O3 nano-composite) was developed. In the present study, biaxial flexure strength, fracture toughness and hardness were determined before and after soaking in water-based conditions and the possibility of application to all ceramic dental restorations was discussed. In comparison to Y-TZP, Ce-TZP/Al2O3 nano-composite has quite high flexure strength and fracture to
APA, Harvard, Vancouver, ISO, and other styles
20

Nejatian, T., A. Johnson, and R. Van Noort. "Reinforcement of Denture Base Resin." Advances in Science and Technology 49 (October 2006): 124–29. http://dx.doi.org/10.4028/www.scientific.net/ast.49.124.

Full text
Abstract:
The fracture resistance of polymethyl methacrylate (PMMA) the most popular denture base materials, is not satisfactory. The aim of this study is to improve the mechanical properties of PMMA by adding filler particles. Different inorganic filler particles including micronised glass flakes, acryl silane micronised, glass flakes 350nm, TiO2 and ZrO2 with different ratios by weight were incorporated into heat-cure plain PMMA and processed with optimal condition [2.5:1 Powder/ monomer ratio, conventional packing method and water bath curing for 2 hours at 95°C] to produce 12mm diameter and 2mm thic
APA, Harvard, Vancouver, ISO, and other styles
21

Neupert, Mark A. "Strength Testing Archaeological Ceramics: A New Perspective." American Antiquity 59, no. 4 (1994): 709–23. http://dx.doi.org/10.2307/282344.

Full text
Abstract:
The measurement of ceramic strength is an important source of evidence for assessing any pottery technology. However, the adoption of strength testing within comprehensive ceramic analyses in archaeology has been hindered by the absence of a reliable format for testing archaeological specimens. This paper presents results of research undertaken to develop the ball-on-three-ball test, which measures the tensile strength of archaeological, ethnographic, and experimental ceramics in biaxial flexure. Laboratory experiments demonstrate that the test produces reliable and accurate results largely un
APA, Harvard, Vancouver, ISO, and other styles
22

Yin, Jang, Lee, and Bae. "Comparative Evaluation of Mechanical Properties and Wear Ability of Five CAD/CAM Dental Blocks." Materials 12, no. 14 (2019): 2252. http://dx.doi.org/10.3390/ma12142252.

Full text
Abstract:
This study compares the mechanical properties and wear ability of five CAD/CAM (computer-aided design/computer-aided manufacturing) millable dental blocks. All the discs, including Amber Mill Hybrid, Vita Enamic, Katana Avencia, Lava Ultimate, and Amber Mill, were cut in dimensions of 1.2 mm in thickness and 12 mm in diameter, polished to a machined surface, and immersed in distilled water for seven days. Vickers hardness was measured and the indentations were observed using microscope. The discs were brushed under a 150 g load. Mean surface roughness (Ra) and topography were determined after
APA, Harvard, Vancouver, ISO, and other styles
23

Francescantonio, Marina Di, Frederick Allen Rueggeberg, Cesar Augusto Galvão Arrais, Glaucia Maria Bovi Ambrosano, and Marcelo Giannini. "The effect of viscosity and activation mode on biaxial flexure strength and modulus of dual resin cements." Revista Odonto Ciência 27, no. 2 (2012): 147–51. http://dx.doi.org/10.1590/s1980-65232012000200010.

Full text
APA, Harvard, Vancouver, ISO, and other styles
24

Kelly, R. D., W. M. Palin, P. L. Tomson, and O. Addison. "The impact of endodontic access on the biaxial flexure strength of dentine-bonded crown substrates - anin vitrostudy." International Endodontic Journal 50, no. 2 (2016): 184–93. http://dx.doi.org/10.1111/iej.12608.

Full text
APA, Harvard, Vancouver, ISO, and other styles
25

Ban, Seiji, Hideo Sato, Yasuhiko Suehiro, Hideo Nakanishi, and Masahiro Nawa. "Biaxial flexure strength and low temperature degradation of Ce-TZP/Al2O3nanocomposite and Y-TZP as dental restoratives." Journal of Biomedical Materials Research Part B: Applied Biomaterials 87B, no. 2 (2008): 492–98. http://dx.doi.org/10.1002/jbm.b.31131.

Full text
APA, Harvard, Vancouver, ISO, and other styles
26

Giannini, Marcelo, Michele Santana Liberti, César Augusto Galvão Arrais, André Figueiredo Reis, Donald Mettenburg, and Frederick Allen Rueggeberg. "Influence of filler addition, storage medium and evaluation time on biaxial flexure strength and modulus of adhesive systems." Acta Odontologica Scandinavica 70, no. 6 (2011): 478–84. http://dx.doi.org/10.3109/00016357.2011.639308.

Full text
APA, Harvard, Vancouver, ISO, and other styles
27

Kirane, Kedar, Zdeněk P. Bažant, and Goangseup Zi. "Fracture and Size Effect on Strength of Plain Concrete Disks under Biaxial Flexure Analyzed by Microplane Model M7." Journal of Engineering Mechanics 140, no. 3 (2014): 604–13. http://dx.doi.org/10.1061/(asce)em.1943-7889.0000683.

Full text
APA, Harvard, Vancouver, ISO, and other styles
28

Wereszczak, A. A., O. M. Jadaan, and T. P. Kirkland. "Edge-Controlled Mechanical Failure of Si and SiC Semiconductor Chips†." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2010, HITEC (2010): 000325–32. http://dx.doi.org/10.4071/hitec-awereszczak-tha11.

Full text
Abstract:
Silicon (Si) and silicon carbide (SiC) semiconductor chips are subjected to thermal gradients during service, have coefficient of thermal expansion mismatches with the constituents they are attached to, and are therefore subjected to thermomechanical tensile stresses that can initiate their fracture. Because of inherent brittleness, their probabilistic (Weibull) tensile failure strength was examined to understand sustainable tensile stresses and any exhibition of strength-size-scaling. Failure stress testing of entire (10-mm-square) chips was conducted using uniaxial flexure (3-point-bending)
APA, Harvard, Vancouver, ISO, and other styles
29

Pagniano, Roland P., Robert R. Seghi, Stephen F. Rosenstiel, Rentong Wang, and Noriko Katsube. "The effect of a layer of resin luting agent on the biaxial flexure strength of two all-ceramic systems." Journal of Prosthetic Dentistry 93, no. 5 (2005): 459–66. http://dx.doi.org/10.1016/j.prosdent.2005.02.012.

Full text
APA, Harvard, Vancouver, ISO, and other styles
30

Bittar, Breno Fortes, Jean Soares Miranda, Arthur Chaves Simões, et al. "Effect of extrinsic pigmentation and surface treatments on biaxial flexure strength after cyclic loading of a translucent ZrO2 ceramic." Dental Materials 35, no. 11 (2019): 1644–53. http://dx.doi.org/10.1016/j.dental.2019.08.117.

Full text
APA, Harvard, Vancouver, ISO, and other styles
31

Yoshimura, Humberto Naoyuki, Carla Cristina Gonzaga, Paulo Francisco Cesar, and Walter Gomes Miranda. "Subcritical Crack Growth Velocities (v-K Curves) of Dental Bioceramics." Materials Science Forum 727-728 (August 2012): 1211–16. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.1211.

Full text
Abstract:
In this study the subcritical crack growth (SCG) behaviors of five dental bioceramics were evaluated in order to plot the crack growth velocity versus stress intensity factor (v-K) curves. Disc-shaped samples of two sintered porcelains, two glass-ceramics, and a glass-infiltrated ceramic composite were prepared and tested in artificial saliva using a biaxial flexure jig. The SCG parameters were evaluated by the dynamic fatigue test using five constant stress-rates and in an inert condition. Among the tested materials, the lithium disilicate glass-ceramic showed the highest susceptibility to st
APA, Harvard, Vancouver, ISO, and other styles
32

Aguiar, Thaiane R., Michele de Oliveira, César A. G. Arrais, Glaucia M. B. Ambrosano, Frederick Rueggeberg, and Marcelo Giannini. "The effect of photopolymerization on the degree of conversion, polymerization kinetic, biaxial flexure strength, and modulus of self-adhesive resin cements." Journal of Prosthetic Dentistry 113, no. 2 (2015): 128–34. http://dx.doi.org/10.1016/j.prosdent.2014.09.011.

Full text
APA, Harvard, Vancouver, ISO, and other styles
33

Juy, Alberto, and Marc Anglada. "The Effect of Grinding Residual Stresses on Contact Loading Strength Degradation in Y-TZP with Different Microstructures." Materials Science Forum 492-493 (August 2005): 47–52. http://dx.doi.org/10.4028/www.scientific.net/msf.492-493.47.

Full text
Abstract:
The influence of grinding surface stresses in Y-TZP doped with 2.5% molar yttria on the contact loading response has been studied. It is shown that by grinding with different pressures compression residual stresses are induced in a surface layer of about 10 µm in depth. Their effect is manifested by shorter indentation cracks in ground specimens, but they recover the original lengths of annealed specimens after a surface thin layer is removed by polishing. The response to cyclic contact loading with a ball of 1.96 mm in diameter has been studied by looking to the damage that takes place below
APA, Harvard, Vancouver, ISO, and other styles
34

Juy, A., M. Anglada, H. C. Fals, and J. B. Fernandez. "Influence of grinding residual stresses on contact loading strength degradation in Y-TZP." Cerâmica 51, no. 319 (2005): 187–91. http://dx.doi.org/10.1590/s0366-69132005000300003.

Full text
Abstract:
The influence of grinding surface stresses in Y-TZP doped with 2.5% molar yttria on the contact loading response has been studied. It is shown that by grinding with different pressures compression residual stresses are induced in a surface layer of about 10 µm in depth. Their effect is manifested by shorter indentation cracks in ground specimens, but they recover the original lengths of annealed specimens after a surface thin layer is removed by polishing. The response to cyclic contact loading with a ball of 1.96 mm in diameter has been studied by looking to the damage that takes place below
APA, Harvard, Vancouver, ISO, and other styles
35

RUEGGEBERG, FREDERICK A., MEGAN A. COLE, STEPHEN W. LOONEY, AARON VICKERS, and EDWARD J. SWIFT. "Comparison of Manufacturer-Recommended Exposure Durations with Those Determined Using Biaxial Flexure Strength and Scraped Composite Thickness Among a Variety of Light-Curing Units." Journal of Esthetic and Restorative Dentistry 21, no. 1 (2009): 43–61. http://dx.doi.org/10.1111/j.1708-8240.2008.00231.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
36

Kooi, J. E., R. Tandon, S. J. Glass, and J. J. Mecholsky. "Analysis of macroscopic crack branching patterns in chemically strengthened glass." Journal of Materials Research 23, no. 1 (2008): 214–25. http://dx.doi.org/10.1557/jmr.2008.0020.

Full text
Abstract:
Residual stress profiles were introduced in sodium aluminosilicate glass disks using an ion-exchange process. They were fractured in two loading conditions: indentation and biaxial flexure. The fractal dimension of the macroscopic crack branching pattern called the crack branching coefficient (CBC), as well as the number of fragments (NOF) were used to quantify the crack patterns. The fracture surfaces were analyzed to determine the stresses responsible for the crack branching patterns. The total strain energy in the body was calculated. The CBC was a good measure of the NOF. They are directly
APA, Harvard, Vancouver, ISO, and other styles
37

Skrtic, Drago, S. Y. Lee, Joseph M. Antonucci, and D. W. Liu. "Amorphous Calcium Phosphate Based Polymeric Composites: Effects of Polymer Composition and Filler's Particle Size on Composite Properties." Key Engineering Materials 284-286 (April 2005): 737–40. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.737.

Full text
Abstract:
This study explores how a) the resin grafting potential for amorphous calcium phosphate (ACP) and b) particle size of ACP affects physicochemical properties of composites. Copolymers and composites were evaluated for biaxial flexure strength (BFS), degree of vinyl conversion (DC), mineral ion release and water sorption (WS). Milled ACP composites were superior to unmilled ACP composites and exhibited 62 % and 77 % higher BFS values (dry and wet state, respectively). The average DC of copolymers 24 h after curing was 80 %. DC of composites decreased 10.3 % for unmilled Zr-ACP and 4.6 % for mill
APA, Harvard, Vancouver, ISO, and other styles
38

Lipovsky, Bradley Paul. "Ice shelf rift propagation: stability, three-dimensional effects, and the role of marginal weakening." Cryosphere 14, no. 5 (2020): 1673–83. http://dx.doi.org/10.5194/tc-14-1673-2020.

Full text
Abstract:
Abstract. Understanding the processes that govern ice shelf extent is important to improving estimates of future sea-level rise. In present-day Antarctica, ice shelf extent is most commonly determined by the propagation of through-cutting fractures called ice shelf rifts. Here, I present the first three-dimensional analysis of ice shelf rift propagation. I model rifts using the assumptions of linear elastic fracture mechanics (LEFM). The model predicts that rifts may be stabilized (i.e., stop propagating) when buoyant flexure results in the partial contact of rift walls. This stabilizing tende
APA, Harvard, Vancouver, ISO, and other styles
39

Miura, Daisuke, Yoshiki Ishida, Taira Miyasaka, Harumi Aoki, and Akikazu Shinya. "Reliability of Different Bending Test Methods for Dental Press Ceramics." Materials 13, no. 22 (2020): 5162. http://dx.doi.org/10.3390/ma13225162.

Full text
Abstract:
Objective: This study investigates the reliability of different flexural tests such as three-point-bending, four-point bending, and biaxial tests, in strengthening the dental pressed ceramics (DPCs) frequently used in clinical applications. Methods: The correlations between the three types of bending tests for DPCs were investigated. Plate-shaped specimens for the three-point and four-point bending tests and a disc-shaped specimen for the biaxial bending test were prepared. Each bending test was conducted using a universal testing machine. Results: The results for six DPCs showed that the flex
APA, Harvard, Vancouver, ISO, and other styles
40

Barburski, Marcin, Mariusz Urbaniak, and Sanjeeb Kumar Samal. "Comparison of Mechanical Properties of Biaxial and Triaxial Fabric and Composites Reinforced by Them." Fibres and Textiles in Eastern Europe 27, no. 1(133) (2019): 37–44. http://dx.doi.org/10.5604/01.3001.0012.7506.

Full text
Abstract:
In this article, the mechanical properties of biaxial and triaxial woven aramid fabric and respective reinforced composites were investigated. Both fabrics had the same mass/m2. The first part of the experimental investigation was focused on the mechanical properties of different non-laminated aramid fabrics (biaxial and triaxial). The second part was concerned with the mechanical properties of composites made of a different combination of layers of fabric reinforced with an epoxy resin matrix in the order of biaxial+biaxial, trixial+triaxial and biaxial+triaxial. The composites were tested fo
APA, Harvard, Vancouver, ISO, and other styles
41

Zeng, Qing Xiang, and Jian Cai. "Shear Capacity of Reinforced Concrete Beams under Biaxial Bending Based on Equivalent Cross-Section Method." Key Engineering Materials 400-402 (October 2008): 275–80. http://dx.doi.org/10.4028/www.scientific.net/kem.400-402.275.

Full text
Abstract:
Based on the analysis of reinforced concrete beams under biaxial bending, an equivalent cross-section method is proposed to calculate the shear capacity of the beams. According to the two basic equivalence principles, a biaxial flexural beam is changed into a uniaxial flexural member, and the shear strength of biaxial flexural beam is calculated as a uniaxial flexural member. Furthermore, the interrelationships among the equivalent cross-section and the neutral axis inclination as well as the ratio of depth to width of the cross-section are deduced in advance. The ratios of some typical cross-
APA, Harvard, Vancouver, ISO, and other styles
42

Makarovič, Kostja, Anton Meden, Marko Hrovat, et al. "The Effect of Phase Composition on the Mechanical and Thermal Properties of LTCC Material." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2012, CICMT (2012): 000492–97. http://dx.doi.org/10.4071/cicmt-2012-wp22.

Full text
Abstract:
Low-temperature co-fired ceramic (LTCC) is an important material in the production of ceramic multilayer structures. Large and complex multilayer structures are usually fired at higher temperatures and/or longer firing times compared to the relatively thin LTCC tapes. The firing conditions of LTCC determine the phase composition and the microstructure, which both influence the physical characteristics, such as the mechanical and thermal properties. In this work the effect of the phase composition on the biaxial flexural strength and the temperature coefficient of expansion of the DuPont 951 LT
APA, Harvard, Vancouver, ISO, and other styles
43

Ghodsi, Safoura, Somayeh Zeighami, Ali Gheidari, Hoseinali Mahgoli, and Ahmad Rohanian. "Effect of Sandblasting Angle and Distance on Biaxial Flexural Strength of Zirconia-based Ceramics." Journal of Contemporary Dental Practice 18, no. 6 (2017): 443–47. http://dx.doi.org/10.5005/jp-journals-10024-2062.

Full text
Abstract:
ABSTRACT Aim Surface treatment is necessarily required for bonding of zirconia to the veneering porcelain and luting cements. Sandblasting is the most common and probably the most efficient surface treatment method. Sandblasting roughens the surface and may affect the flexural strength of zirconia. Different sandblasting protocols may yield variable results. This study sought to assess the effect of sandblasting angle and distance on the biaxial flexural strength of zirconia-based ceramics. Materials and methods This in vitro experimental study was conducted on 50 zirconia discs measuring 1.2
APA, Harvard, Vancouver, ISO, and other styles
44

Carvalho, Adriana Oliveira, Ana Paula Almeida Ayres, Letícia Cunha Amaral Gonzaga de Almeida, André Luiz Fraga Briso, Frederick Allen Rueggeberg, and Marcelo Giannini. "Effect of peroxide bleaching on the biaxial flexural strength and modulus of bovine dentin." European Journal of Dentistry 09, no. 02 (2015): 246–50. http://dx.doi.org/10.4103/1305-7456.156845.

Full text
Abstract:
ABSTRACT Objective: This study evaluated the effects of carbamide peroxide and hydrogen peroxide on the biaxial flexural strength and flexural modulus of bovine dentin. Materials and Methods: Thirty coronal dentin disks (0.5 mm thick × 6.0 mm diameter) were prepared from bovine teeth. The disks were randomly divided into three groups (n=10): A control group (unbleached), a group bleached with 10% carbamide peroxide (8 h at 37°C), and a group bleached with 38% hydrogen peroxide (three 10 min applications at 37°C). The specimens were tested in a biaxial flexural apparatus held in a universal tes
APA, Harvard, Vancouver, ISO, and other styles
45

Nakai, Hiroto, Masanao Inokoshi, Kosuke Nozaki, et al. "Additively Manufactured Zirconia for Dental Applications." Materials 14, no. 13 (2021): 3694. http://dx.doi.org/10.3390/ma14133694.

Full text
Abstract:
We aimed to assess the crystallography, microstructure and flexural strength of zirconia-based ceramics made by stereolithography (SLA). Two additively manufactured 3 mol% yttria-stabilized tetragonal zirconia polycrystals (3Y-TZP: LithaCon 3Y 230, Lithoz; 3D Mix zirconia, 3DCeram Sinto) and one alumina-toughened zirconia (ATZ: 3D Mix ATZ, 3DCeram Sinto) were compared to subtractively manufactured 3Y-TZP (control: LAVA Plus, 3M Oral Care). Crystallographic analysis was conducted by X-ray diffraction. Top surfaces and cross-sections of the subsurface microstructure were characterized using scan
APA, Harvard, Vancouver, ISO, and other styles
46

Leon, Roberto, and James O. Jirsa. "Bidirectional Loading of R.C. Beam-Column Joints." Earthquake Spectra 2, no. 3 (1986): 537–64. http://dx.doi.org/10.1193/1.1585397.

Full text
Abstract:
Fourteen reinforced concrete beam-column joint subassemblages were tested to investigate the effects of load history, beam reinforcement size, beam geometry and floor slabs on joint behavior under cyclic bidirectional load reversals. The full-scale specimens were loaded biaxially to simulate the worst loading condition on the joints of a multi-story ductile moment-resisting frame. The tests showed that biaxial effects can have a significant impact on joint behavior due to the deterioration of column strength, that the beam and slab geometry can significantly affect the joint shear response, an
APA, Harvard, Vancouver, ISO, and other styles
47

Jain, Teerthesh, Amit Porwal, Sumanth Babu, Zahid A. Khan, Chandeep Kaur, and Ranu B. Jain. "Effect of Different Surface Treatments on Biaxial Flexural Strength of Yttria-stabilized Tetragonal Zirconia Polycrystal." Journal of Contemporary Dental Practice 19, no. 3 (2018): 318–23. http://dx.doi.org/10.5005/jp-journals-10024-2260.

Full text
Abstract:
ABSTRACT Introduction Ceramics are widely applied in dentistry owing to their excellent mechanical and physical attributes. The most popular ceramics are Lava™, KaVo Everest, and Cercon. However, it is unclear whether or not a different surface treatment along with low-temperature aging and mechanical loading (ML) affects the physical properties of computer-aided design (CAD)/computer-aided manufacturing (CAM)-machined yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) ceramic. Aim The objective of this research was to assess the impact of various surface treatments as air-particle abra
APA, Harvard, Vancouver, ISO, and other styles
48

Alobiedy, Ali N., Ali H. Alhille, and Ahmed R. Al-Hamaoy. "Mechanical Properties Enhancement of Conventional Glass Ionomer Cement by Adding Zirconium Oxide Micro and Nanoparticles." Journal of Engineering 25, no. 2 (2019): 72–81. http://dx.doi.org/10.31026/j.eng.2019.02.05.

Full text
Abstract:
The aim of this work is to enhance the mechanical properties of the glass ionomer cement GIC (dental materials) by adding Zirconium Oxide ZrO2 in both micro and nano particles. GIC were mixed with (3, 5 and 7) wt% of both ZrO2 micro and nanoparticles separately. Compressive strength (CS), biaxial flexural strength (BFS), Vickers Microhardness (VH) and wear rate losses (WR) were investigated. The maximum compression strength was 122.31 MPa with 5 wt. % ZrO2 micro particle, while 3wt% nanoparticles give highest Microhardness and biaxial flexural strength of 88.8 VHN and 35.79 MPa respectively. T
APA, Harvard, Vancouver, ISO, and other styles
49

Silva, Fernanda P., Ana L. R. Vilela, Matheus M. G. Almeida, André R. F. Oliveira, Luís H. A. Raposo, and Murilo S. Menezes. "Surface Topography, Gloss and Flexural Strength of Pressable Ceramic After Finishing-Polishing Protocols." Brazilian Dental Journal 30, no. 2 (2019): 164–70. http://dx.doi.org/10.1590/0103-6440201902101.

Full text
Abstract:
Abstract This study evaluated the effect of different finishing-polishing protocols on surface roughness, gloss, morphology and biaxial flexural strength of pressable fluorapatite glass ceramic. Thirty ceramic discs (12x1 mm) were produced and divided into five groups (n=6): CT: control (glaze); DA: fine grit diamond bur; DG: DA + new glaze layer; DP: DA + felt disk with fine grit diamond paste; DK: DA+ sequential polishing with silicon abrasive instruments, goat hair brush and cotton wheel. The specimens were analyzed for surface roughness (Ra) under profilometry and atomic force microscopy (
APA, Harvard, Vancouver, ISO, and other styles
50

Hermansson, Leif, Lars Kraft, Karin Lindqvist, Nils Otto Ahnfelt, and Hakan Engqvist. "Flexural Strength Measurement of Ceramic Dental Restorative Materials." Key Engineering Materials 361-363 (November 2007): 873–76. http://dx.doi.org/10.4028/www.scientific.net/kem.361-363.873.

Full text
Abstract:
Flexural strength of a dental material reflects its ability to withstand tensile stresses and thus the fracture risk of a filling. The flexural strength of an experimental bioceramic Calcium aluminate-based (CA) dental restorative material was measured using three different methods with a composite (Tetric Ceram), a glass ionomer cement (Fuji II) and a phosphate cement (Harward) as references. The three test methods were: a) ISO 4049 for dental composites, 3-point bend test b) EN 843-1 for ceramic materials, 3-point bend test and c) ASTM F-394, biaxial ball-on-disc for ceramic materials. The s
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!