Thermal characteristics in milling Ti6Al4V with polycrystalline diamond tools

Wencheng Pan, Songlin Ding, John Mo

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The low thermal conductivity and high chemical affinity of Ti6Al4V make it extremely difficult to machine. The thermal characteristics in milling Ti6Al4V with polycrystalline diamond (PCD) tools were studied in the paper. A predictive model was developed and validated to investigate the relationship between average cutting temperature and machining parameters. X-ray diffraction (XRD) method was applied to examine residual chemical components on the PCD tools. Evidences of material diffusion and chemical reaction on the PCD tool showed that some region of the cutter suffered from higher than detected temperature. Based on SEM photos of serrated chips, serration frequency was investigated. Results from chip morphology illustrated that serration frequency changed on each single chip.
Original languageEnglish
Pages (from-to)1077-1087
Number of pages11
JournalInternational Journal of Advanced Manufacturing Technology
Volume75
Issue number5-8
Early online date10 Aug 2014
DOIs
Publication statusPublished - 1 Nov 2014
Externally publishedYes

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Diamonds
Chemical reactions
Thermal conductivity
Machining
X ray diffraction
Temperature
Scanning electron microscopy
Hot Temperature

Cite this

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abstract = "The low thermal conductivity and high chemical affinity of Ti6Al4V make it extremely difficult to machine. The thermal characteristics in milling Ti6Al4V with polycrystalline diamond (PCD) tools were studied in the paper. A predictive model was developed and validated to investigate the relationship between average cutting temperature and machining parameters. X-ray diffraction (XRD) method was applied to examine residual chemical components on the PCD tools. Evidences of material diffusion and chemical reaction on the PCD tool showed that some region of the cutter suffered from higher than detected temperature. Based on SEM photos of serrated chips, serration frequency was investigated. Results from chip morphology illustrated that serration frequency changed on each single chip.",
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Thermal characteristics in milling Ti6Al4V with polycrystalline diamond tools. / Pan, Wencheng; Ding, Songlin; Mo, John.

In: International Journal of Advanced Manufacturing Technology, Vol. 75, No. 5-8, 01.11.2014, p. 1077-1087.

Research output: Contribution to journalArticle

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AU - Pan, Wencheng

AU - Ding, Songlin

AU - Mo, John

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N2 - The low thermal conductivity and high chemical affinity of Ti6Al4V make it extremely difficult to machine. The thermal characteristics in milling Ti6Al4V with polycrystalline diamond (PCD) tools were studied in the paper. A predictive model was developed and validated to investigate the relationship between average cutting temperature and machining parameters. X-ray diffraction (XRD) method was applied to examine residual chemical components on the PCD tools. Evidences of material diffusion and chemical reaction on the PCD tool showed that some region of the cutter suffered from higher than detected temperature. Based on SEM photos of serrated chips, serration frequency was investigated. Results from chip morphology illustrated that serration frequency changed on each single chip.

AB - The low thermal conductivity and high chemical affinity of Ti6Al4V make it extremely difficult to machine. The thermal characteristics in milling Ti6Al4V with polycrystalline diamond (PCD) tools were studied in the paper. A predictive model was developed and validated to investigate the relationship between average cutting temperature and machining parameters. X-ray diffraction (XRD) method was applied to examine residual chemical components on the PCD tools. Evidences of material diffusion and chemical reaction on the PCD tool showed that some region of the cutter suffered from higher than detected temperature. Based on SEM photos of serrated chips, serration frequency was investigated. Results from chip morphology illustrated that serration frequency changed on each single chip.

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