A squircle-shaped punch design for efficient contact performance of elastic materials

ARSLAN O.

Mechanics Based Design of Structures and Machines, cilt.51, sa.7, ss.4170-4182, 2023 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 51 Sayı: 7
  • Basım Tarihi: 2023
  • Doi Numarası: 10.1080/15397734.2021.1966308
  • Dergi Adı: Mechanics Based Design of Structures and Machines
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Compendex, INSPEC, DIALNET
  • Sayfa Sayıları: ss.4170-4182
  • Anahtar Kelimeler: Punch design, optimal contact pressure, integral equation approach, finite element approach, fretting resistance, FRETTING-WEAR
  • Eskişehir Osmangazi Üniversitesi Adresli: Evet

Özet

© 2021 Taylor & Francis Group, LLC.A new curvature, called the squircle, is proposed as a punch profile to provide superior contact performance for bulk elastic materials. Plane contact problems of a rigid squircle-shaped punch pressed onto an elastic half-plane are treated via an integral equation (IE) approach which is evidently substantiated by a finite element (FE) approach. Compared to the piecewise-defines curvatures, the continuous surface gradient of the squircle profile enables the IE formulations more tractable. In the presence of sliding friction, the consistency condition in the IE approach is implemented through a new iteration procedure. Subsurface stresses are demonstrated via the FE approach. The squircle punch profile is shown to induce a low-magnitude and smoother pressure distribution on an elastic surface, promising to cause less wear under the action of tangential oscillations.