Residual Stress Analysis of Steel Fibre Reinforced Composite Inverted-Tooth Chains

Murat Yavuz Solmaz

doi:10.3139/120.110381

Article

Residual Stress Analysis of Steel Fibre Reinforced Composite Inverted-Tooth Chains

Murat Yavuz Solmaz

Published/Copyright: May 26, 2013

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From the journal Materials Testing Volume 54 Issue 10

Abstract

The aim of this study is to investigate effects on the residual stresses of the fibre orientations and stacking sequences of the inverted-tooth chains which are made of transversely reinforced steel fibre thermoplastic laminated composite materials. For this purpose, fifteen different tooth chain models were created and stress analysis was performed with ANSYS 11.0 finite element program. For each fibre orientation and stacking sequence values of the yield loads where yielding of the inverted-tooth chain just initiates were determined. Then, loads subjected to the inverted-tooth chains were incrementally increased beyond the yield limits to determine plastic and residual stresses that were obtained by removing applied loads from the inverted-tooth chain. As a result of the analysis, it was observed that all values of residual stress components increased depending on the rising applied loads for all fibre orientation as well as for all stacking sequences.

Kurzfassung

Das Ziel der diesem Beitrag zugrunde liegenden Studie ist es, die Auswirkungen der Faserorientierung und der Stapelfolge auf die Eigenspannung von Ketten mit invers angeordneten Zähnen zu untersuchen, die aus transversal Stahlfaser-verstärkten thermoplastisch laminierten Kompositwerkstoffen hergestellt werden. Zu diesem Zweck wurden fünfzehn verschiedene Modelle von Zahnketten entworfen und daran die Spannungsanalyse mittels des Finite Elemente Programms ANSYS 11.0 durchgeführt. Für jede Faserorientierung und Stapelfolge wurden Werte für die Dehngrenze bestimmt, bei der eine Verformung der Ketten mit invers angeordneten Zähnen gerade auftritt. Danach wurden die Beanspruchungen, denen die Zahnketten unterworfen waren inkrementell über die Dehngrenze hinaus gesteigert, um die plastischen Spannungen und Eigenspannungen zu bestimmen, die sich nach Entfernen der angelegten Beanspruchungen in den Ketten ergeben. Als ein Ergebnis der Analyse wurde beobachtet, dass alle Eigenspannungswerte der Komponenten abhängig von der Steigerung der Beanspruchungen erhöht waren und zwar sowohl für alle Faserorientierungen als auch für alle Stapelfolgen.

Assistant Professor Dr. Murat Yavuz Solmaz was born in 1974, received the degrees of Bachelor of Science from the Department of Mechanical Engineering and Master of Science from the Department of Metallurgical and Material Engineering in Firat University, Elazig, Turkey in 1997 and 2003, respectively. He worked as a Research Assistant in the department of metallurgical and material engineering and mechanical engineering from 2000 to 2008. In 2008, he obtained the degree of Doctor of Philosophy in Mechanical Engineering from Firat University. Also, he worked as a Expert in the Department of Mechanical Engineering from 2008 to 2011. He still works as an assistant professor at the same university. His research areas are adhesive joints, polymer composites, failure analysis and wear.

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Published Online: 2013-05-26

Published in Print: 2012-10-01

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https://doi.org/10.3139/120.110381