Finite Element Simulation of Segmented Chip Formation of Ti6A14V  

Oleh:

Baker, Martin ; Rosler, Joachim ; Siemers, Carsten

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 124 no. 2 (May 2002), page 485-488.
Topik: finite element; finite element; simulation; segmented chip formation

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The mechanism behind chip segmentation of titanium alloys is still unclear. Experimentally, different kinds of deformation patterns are observed. In this paper we perform a finite element analysis where chip segmentation is done by introducing cracks from the chip surface into the material. A fine mesh is used within the segments, allowing a high resolution of the occurring strain gradients. Because of stress concentration at the crack tip, adiabatic shear bands can form and lead to a strongly segmented chip with pronounced deformation in the crack region. Depending on the cracking parameters, different deformation patterns at the crack flanks are observed.

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