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1995
Journal Article
Titel
Verfahren zur Festigkeitsbeurteilung von mehrachsig stochastisch beanspruchtem Sphäroguß und Temperguß
Alternative
Method for a strength evaluation of multiaxial stochstic loaded nodular and malleable iron
Abstract
There will be presented a method for an analytic strength evaluation of multiaxial stochastic loaded components (method of reference stress). For the failure of the investigated casted material, breaking up events which are caused by a nominal stress in the maximal stressed sectional plane are responsible and which can be described by a "reference stress". This "reference stress", which in its meaning corresponds to an equivalent stress, can be understood not only as a value related to material behavior, but takes also into account statistical aspects basing on the independence of random values. For a strength evaluation they are compared with the corresponding uniaxial nominal stress. The methodology was verified by multiaxial fatigue tests under combined tensional and torsional loading.
Tags
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compression test
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deformation
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Druckversuch
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failure behaviour
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fatigue life proof
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Festigkeit
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Gußeisen mit Kugelgraphit
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Lebensdauerabschätzung
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malleable cast iron
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mehrachsige Beanspruchung
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multiaxial loading
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Spannung
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spheroidal graphite cast iron
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strength
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stress
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Temperguß
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tensile laoding
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torsion
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Verformung
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Versagensverhalten
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Zugbeanspruchung