EN 15156:2006
(Main)Advanced technical ceramics - Mechanical properties of ceramic composites at room temperature - Determination of fatigue properties at constant amplitude
Advanced technical ceramics - Mechanical properties of ceramic composites at room temperature - Determination of fatigue properties at constant amplitude
This European Standard specifies the conditions for the determination of constant-amplitude of load or strain in uniaxial tension/tension or in uniaxial tension/compression cyclic fatigue properties of ceramic matrix composite materials (CMCs) with fibre reinforcement at room temperature.
This European Standard applies to all ceramic matrix composites with fibre reinforcement, unidirectional (1D), bi-directional (2D), and tri-directional (xD, where 2< x 3).
Hochleistungskeramik - Mechanische Eigenschaften von keramischen Verbundwerkstoffen bei Raumtemperatur - Bestimmung der Dauerschwingeigenschaften bei Belastung mit konstanter Amplitude
Diese Europäische Vornorm legt für faserverstärkte Verbundwerkstoffe mit keramischer Matrix (CMC) die Bedingungen zur Bestimmung der Dauerschwingeigenschaften bei Raumtemperatur fest, wenn eine einachsige Beanspruchung innerhalb des Zugschwell (Zug/Zug) oder des Wechselbereichs (Zug/Druck) so aufgebracht wird, dass eine Last oder Dehnung mit konstanter Amplitude erreicht wird.
Diese Norm ist auf alle faserverstärkten Verbundwerkstoffe mit keramischer Matrix mit unidirektionaler (1D), bidirektionaler (2D) und mehrdirektionaler (xD, mit 2 < x £ 3) Verstärkung anwendbar.
Céramiques techniques avancées - Propriétés mécaniques des céramiques composites à température ambiante - Détermination des propriétés de fatigue à amplitude constante
La présente Norme européenne spécifie les conditions de détermination des propriétés de fatigue cyclique à amplitude constante de contrainte ou de déformation en traction uniaxiale/traction ou en traction uniaxiale/compression des matériaux composites à matrice céramique (CMC) avec renfort des fibres à la température ambiante.
La présente Norme européenne s'applique à tous les composites à matrice céramique avec renfort des fibres, unidirectionnel (1D), bidirectionnel (2D) ou tridirectionnel (xD, où 2 x 3).
Sodobna tehnična keramika - Mehanske lastnosti keramičnih kompozitov pri sobni temperaturi - Določanje lastnosti utrujanja pri konstantni amplitudi
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Advanced technical ceramics - Mechanical properties of ceramic composites at room temperature - Determination of fatigue properties at constant amplitudeXGLCéramiques techniques avancées - Propriétés mécaniques des céramiques composites a température ambiante - Détermination des propriétés de fatigue a amplitude constanteHochleistungskeramik - Mechanische Eigenschaften von keramischen Verbundwerkstoffen bei Raumtemperatur - Bestimmung der Dauerschwingeigenschaften bei Belastung mit konstanter AmplitudeTa slovenski standard je istoveten z:EN 15156:2006SIST EN 15156:2007en,fr,de81.060.30Sodobna keramikaAdvanced ceramicsICS:SLOVENSKI
STANDARDSIST EN 15156:200701-januar-2007
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15156August 2006ICS 81.060.30 English VersionAdvanced technical ceramics - Mechanical properties of ceramiccomposites at room temperature - Determination of fatigueproperties at constant amplitudeCéramiques techniques avancées - Propriétés mécaniquesdes céramiques composites à température ambiante -Détermination des propriétés de fatigue à amplitudeconstanteHochleistungskeramik - Mechanische Eigenschaften vonkeramischen Verbundwerkstoffen bei Raumtemperatur -Bestimmung der Dauerschwingeigenschaften beiBelastung mit konstanter AmplitudeThis European Standard was approved by CEN on 14 July 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15156:2006: E
Schematic evolution of E.17
— Notations and symbols EN ISO 7500-1, Metallic materials — Verification of static uniaxial testing machines — Part 1: Tension/compression testing machines — Verification and calibration of the force-measuring system (ISO 7500-1:2004) EN ISO 9513, Metallic materials — Calibration of extensometers used in uniaxial testing (ISO 9513:1999) ISO 3611, Micrometer callipers for external measurement 3 Terms, definitions and symbols For the purposes of this document, the terms and definitions given in prCEN/TR 13233:2007 and the following apply. 3.1 calibrated length, l part of the test specimen which has uniform and minimum cross-section area 3.2 gauge length, Lo initial distance between reference points on the test specimen in the calibrated length
1 To be published in 2007
Key 1 time 6 mean 2 control parameter (test mode) 7 peak (maximum) 3 triangular form 8 valley (minimum) 4 trapezoidal form 9 amplitude 5 sinusoidal form 10 range Figure 1 — Cyclic fatigue nomenclature and wave forms 3.8 Cyclic fatigue phenomena 3.8.1 load ratio, R in cyclic fatigue loading, the algebraic ratio of the two loading parameters of a cycle NOTE the most widely used ratios are: R = (minimum load/maximum load) or R = (valley load/peak load). 3.8.2 Stress cyclic fatigue 3.8.2.1 maximum stress, σσσσmax maximum applied stress during cyclic fatigue
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