Yield Strength
Yield Strength
Einführung in Yield Strength
Die Yield Strength, oder auf Deutsch, 'Streckgrenze', ist ein fundamentaler Begriff in der Stahlproduktion und im Stahlhandel. Sie beschreibt den Punkt, an dem ein Material, typischerweise Stahl, den Zustand von elastischer zu plastischer Verformung übergeht.
Warum ist Yield Strength wichtig?
Die Yield Strength gibt uns ein Maß für die Belastbarkeit von Stahl. Bei diesem Wert beginnt das Material sich dauerhaft zu verformen, was bedeutet, dass es nicht mehr in seine ursprüngliche Form zurückkehren kann, wenn die Belastung entfernt wird. Das ist besonders im Bauwesen wichtig, da Materialien mit einer hohen Yield Strength in der Lage sind, große Lasten zu tragen, ohne sich zu verformen.
Wie wird die Yield Strength gemessen?
Die Yield Strength wird gewöhnlich in Megapascal (MPa) oder Kilogramm pro Quadratmillimeter (kg/mm²) angegeben. In der Praxis wird sie ermittelt, indem ein Material einer sich stetig erhöhenden Belastung ausgesetzt wird, bis es anfängt, sich dauerhaft zu verformen. Der Punkt, an dem dies eintritt, gibt die Yield Strength an.
Yield Strength und Stahltypen
Nicht alle Stahlsorten haben die gleiche Yield Strength. Die spezifische Yield Strength hängt von der Legierung und dem Herstellungsprozess des Stahls ab. Hochfeste Stähle haben beispielsweise eine höhere Yield Strength als Mildstähle. Diese Unterschiede sind für Ingenieure und Bauunternehmen von entscheidender Bedeutung, da sie bestimmen, welcher Stahltyp für welches Projekt verwendet werden soll.
Blog Posts with the term: Yield Strength
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