INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN

KAYA, NURİYE NUR; ELDEM, CENGİZ; TOKTAS, IHSAN

doi:10.29109/gujsc.1367616

INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN

Nuriye Nur KAYA, (Gazi Üniversitesi, Teknoloji Fakültesi, Endüstriyel Tasarım Mühendisliği Bölümü, Ankara, Türkiye)

Cengiz ELDEM, (Gazi Üniversitesi, Teknoloji Fakültesi, Endüstriyel Tasarım Mühendisliği Bölümü, Ankara, Türkiye)

İhsan TOKTAŞ (Ankara Yıldırım Beyazıt Üniversitesi, Mimarlık ve Güzel Sanatlar Fakültesi, Endüstriyel Tasarım Bölümü, Ankara, Türkiye)

Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji

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Yıl: 2023 Cilt: 11 Sayı: 4 Sayfa Aralığı: 1081 - 1091 Metin Dili: İngilizce DOI: 10.29109/gujsc.1367616 İndeks Tarihi: 04-01-2024

INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN

Öz:

Auxetic structures are special structures with negative Poisson's ratio due to their geometric shapes. In these structures, transverse and longitudinal expansions are observed when tensile force is applied, while transverse and longitudinal contractions are observed when compressive force is applied. There are many different unit cell designs such as chiral, arrowhead, and re- entrant in auxetic structures. In this study, a new unique structure was designed, its structural and mechanical properties were investigated and it was aimed to contribute a new unique structure to the literature. A unique cell design is designed as a lattice structure and the behavior of the structure is investigated. All of the lattice structures were loaded at the same value, and the geometric internal thickness of the lattice structures was varied and the relationship between thickness and negative Poisson's ratio was investigated. Lattice structures designed with 12 different geometric inner thicknesses starting from 0,80 mm up to 3 mm with 0,20 mm increments and with 2×4 and 4×4 matrices were analyzed with a finite element analysis program and it was determined that all designs had negative Poisson's ratio. It was found that the structure with a 4×4 matrix and 3 mm geometric thickness exhibited the best auxetic behavior in the designed lattice structures.

Anahtar Kelime: Negative Poisson Ratio Auxetic Structure Lattice Structures

Özgün Bir Latis Yapı Tasarımının Auxetic Davranışının İncelenmesi

Öz:

Auxetic yapılar, içyapılarında ki geometrik şekillerinden dolayı negatif Poisson oranına sahip özel yapılardır. Bu yapılar da çekme kuvveti uygulandığında enine ve boyuna genişlemeler izlenirken, basma kuvveti uygulandığında ise enine ve boyuna daralmalar gözlenmektedir. Auxetic yapılarda kiral, ok ucu, re-entrant gibi birçok farklı birim hücre tasarımları mevcuttur. Bu çalışma ile yeni bir özgün yapı tasarlanmış, bu yapının yapısal ve mekanik özellikleri irdelenmiş ve literatüre yeni özgün bir yapı kazandırmak amaçlanmıştır. Özgün bir hücre tasarımı, latis yapı olarak tasarlanmış ve yapının davranışı incelenmiştir. Latis yapıların hepsine aynı değerde yük uygulanmış olup, latis yapıların geometrik iç kalınlıkları değiştirilerek kalınlık ile negatif Poisson oranı arasındaki ilişki incelenmiştir. 0,80 mm’den başlayarak 0,20 mm’lik artışlarla 3 mm’ye kadar 12 farklı geometrik iç kalınlıkta ve 2×4 ile 4×4 matrisli olarak tasarlanan latis yapıların analizleri sonlu elemanlar analiz programı ile gerçekleştirilmiş ve bütün tasarımların negatif Poisson oranına sahip olduğu tespit edilmiştir. Tasarlanan latis yapılarda 4×4 matrisli, 3 mm geometrik kalınlıktaki yapının en iyi auxetic’lik davranışı sergilediği bulunmuştur.

Anahtar Kelime: Negatif Poisson oranı Auxetic yapılar Kafes yapı

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	KAYA N, ELDEM C, TOKTAS I (2023). INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. , 1081 - 1091. 10.29109/gujsc.1367616
Chicago	KAYA NURİYE NUR,ELDEM CENGİZ,TOKTAS IHSAN INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. (2023): 1081 - 1091. 10.29109/gujsc.1367616
MLA	KAYA NURİYE NUR,ELDEM CENGİZ,TOKTAS IHSAN INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. , 2023, ss.1081 - 1091. 10.29109/gujsc.1367616
AMA	KAYA N,ELDEM C,TOKTAS I INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. . 2023; 1081 - 1091. 10.29109/gujsc.1367616
Vancouver	KAYA N,ELDEM C,TOKTAS I INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. . 2023; 1081 - 1091. 10.29109/gujsc.1367616
IEEE	KAYA N,ELDEM C,TOKTAS I "INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN." , ss.1081 - 1091, 2023. 10.29109/gujsc.1367616
ISNAD	KAYA, NURİYE NUR vd. "INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN". (2023), 1081-1091. https://doi.org/10.29109/gujsc.1367616

APA	KAYA N, ELDEM C, TOKTAS I (2023). INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji, 11(4), 1081 - 1091. 10.29109/gujsc.1367616
Chicago	KAYA NURİYE NUR,ELDEM CENGİZ,TOKTAS IHSAN INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji 11, no.4 (2023): 1081 - 1091. 10.29109/gujsc.1367616
MLA	KAYA NURİYE NUR,ELDEM CENGİZ,TOKTAS IHSAN INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji, vol.11, no.4, 2023, ss.1081 - 1091. 10.29109/gujsc.1367616
AMA	KAYA N,ELDEM C,TOKTAS I INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji. 2023; 11(4): 1081 - 1091. 10.29109/gujsc.1367616
Vancouver	KAYA N,ELDEM C,TOKTAS I INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji. 2023; 11(4): 1081 - 1091. 10.29109/gujsc.1367616
IEEE	KAYA N,ELDEM C,TOKTAS I "INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN." Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji, 11, ss.1081 - 1091, 2023. 10.29109/gujsc.1367616
ISNAD	KAYA, NURİYE NUR vd. "INVESTIGATION OF THE AUXETIC BEHAVIOR OF AN ORIGINAL LATTICE STRUCTURE DESIGN". Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji 11/4 (2023), 1081-1091. https://doi.org/10.29109/gujsc.1367616