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Hybrid machining versus hard turning-investigation on process induced residual stresses


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Jomaa, W., Fredj, N. Ben, Songemene, Victor, Zaghbani, I. and Braham, C.. 2012. « Hybrid machining versus hard turning-investigation on process induced residual stresses ». In 1st International Conference on Virtual Machining Process Technology (VMPT) (Montréal, Québec, May 28-June 01, 2012)

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Thermally-cryogenically assisted machining (TCAM), also known as Hybrid machining, which consists of a combination of hot machining and cryogenic machining processes is one of the attractive machining techniques for today’s industry. Previous works attested that TCAM improves tool life and reduces cutting forces and chatter vibrations. However, in spite of its significant influence on in-service part performance and fatigue life, a little concern has been given to the TCAM induced residual stresses. This paper discusses the residual stress distribution on hardened D2 tool steel machined by TCAM and hard turning (HT) using PCBN cutting tools. The results showed that TCAM induces larger compressive area and larger maximum compressive stress levels below the machined surface comparatively to HT. When the cutting speed is increased, surface residual stresses tend to be tensile and the compressive residual stress depth is increased particularly in the case of TCAM.

Item Type: Conference proceeding
Songmene, Victor
Affiliation: Génie mécanique
Date Deposited: 28 Jun 2017 19:24
Last Modified: 13 Apr 2023 16:08

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