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Biaxial flexure testing of brittle materials
Scripta Metallurgica et Materialia, 1991Four-point bending tests are one of the primary methods of strength testing glass and ceramic materials. However, four-point bend test bars are susceptible to failure from edge cracks unless extreme care is taken in sample preparation. For that reason, biaxial flexure tests have gained increasing popularity for strength measurements in brittle ...
R. Thiruvengadaswamy, R.O. Scattergood
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Bulletin of Engineering Geology and the Environment, 2022
Danchen Zhao +8 more
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Danchen Zhao +8 more
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Biaxial Testing Apparatuses and Procedures
2015This chapter describes the mechanical data required during the realisation of architectural tensioned covers, the main testing procedures and the testing equipment currently in use for biaxial testing. In addition, the chapter presents the first inter-laboratory study between four research centres which repeated the same biaxial test originally ...
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Biaxial Testing Using Cruciform Specimens
1986Uniaxial test data for use in design of components and structures operating at high temperatures has been the sole means of predicting deformation and rupture. The majority of components and structures operating at high temperatures are subjected to biaxial or triaxial stress.
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Biaxial Fatigue Testing of Thin Films
AIP Conference Proceedings, 2006A new experimental setup, which allows for testing in an equi‐biaxial loading condition, has been developed and applied to investigate the fatigue behaviour of thin films. A load controlled cycling, performed at room temperature on flat specimens, reproduces the strain amplitude and mean strain in the film corresponding to a thermal cycling in a given ...
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Biaxial Compression Testing of Refractory Concretes
1983In the past, the design of large refractory lined process vessels, such as used in coal gasification, has been based on operating experience. During the 1970’s, efforts were funded by the Department of Energy (DOE) to develop mathematical models that would predict the thermo-mechanical behavior of refractory concrete lined coal gasification process ...
Albert H. Bremser, Oral Buyukozturk
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Fractography of biaxial tested Si3N4-specimens
Journal of the European Ceramic Society, 2014Abstract The strength of ceramic materials is limited by flaws which are distributed in the volume or on the surface of the material. Commonly, fractographic investigations are performed after the strength tests to interpret the strength values. The relatively new Ball-on-Three Balls (B3B)-bending test applies a biaxial stress state (which is more ...
W. Harrer, R. Morrell, R. Danzer
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Biaxial Strength Testing on Mini Specimens
2008Biaxial strength testing of brittle materials using the ball on three balls (B3B) test is a new method for strength testing of disc or plate specimens [1] (see Fig. 1). The analysis of the stress fields and the calculation of the effective volumes and surfaces for several types of specimens and testing geometries has been performed recently.
Robert Danzer +4 more
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Biaxial Fatigue Tests in PWR Environment
Volume 1: Codes & StandardsAbstract The FABIME2e test rig was developed in CEA in France to perform biaxial fatigue tests on disc-shaped specimens. Previous tests aimed to evaluate the Pressurised Water Reactor (PWR) environment’s effect on fatigue life at constant strain amplitude (triangular waveforms) on various stainless steels.
Jacquemoud, Clementine +3 more
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