Wear performance of (nc-AlTiN)/(a-Si3N4) coating and (nc-AlCrN)/(a-Si3N4) coating in high-speed machining of titanium alloys under dry and minimum quantity lubrication (MQL) conditions

Liu, Zhiqiang; An, Qinglong; Xu, Jinyang; Chen, Ming; Han, Shuang

doi:10.1016/j.wear.2013.02.001

Cited by 148 publications

(48 citation statements)

References 14 publications

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“…Besides nickel based alloys, several research studies reported results of dry and MQL machining of titanium alloys [71,110,135,233]. By optimizing the tool coating, Liu et al [135] expect a huge potential for MQL turning of titanium alloys in the future.…”

Section: Dry Machining and Minimum Quantity Lubrication (Mql)mentioning

confidence: 99%

High performance cutting of advanced aerospace alloys and composite materials

M’Saoubi¹,

et al. 2015

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Section: Dry Machining and Minimum Quantity Lubrication (Mql)mentioning

confidence: 99%

High performance cutting of advanced aerospace alloys and composite materials

M’Saoubi¹,

et al. 2015

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“…Liu [48] stated that the chemically significant step in oxidation wear is when the O atoms are pulled from the water (H 2 O)-soluble coolant because they do not have unpaired d-electrons. Figure 13 shows the O peak on the EDX spectrum when machining with nanoparticlebased coolant (TiO 2 /EG).…”

Section: Tool Wear With Water-soluble Coolant and Ethylene Glycol-basmentioning

confidence: 99%

“…The oxidation layer was hard, could not be easily detached Oxidation layer formed during the milling process with nanoparticle based coolant. from the tool surface, and took parts of the tool material under the severe impact of the milling force, further protecting the tool from micro-cracking and chipping wear [48].…”

Section: Tool Wear With Water-soluble Coolant and Ethylene Glycol-basmentioning

confidence: 99%

Wear analysis when machining AISI 304 with ethylene glycol/TIO2 nanoparticle-based coolant

Muthusamy

Kadirgama

Rahman

et al. 2015

Int J Adv Manuf Technol

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This paper discuss the tool life and wear mechanism in the end-milling of AISI304 stainless steel using a TiN-coated carbide insert with water-soluble coolant and nanoparticle-based coolant (TiO 2 /EG). The cutting variables are cutting speed, feed rate, and axial depth. The end-milling operation using nanoparticle-based coolant (TiO 2 /EG) obtains a high tool life compared with the end-milling operation using water-soluble coolant. In general, the tool failure when milling with water-soluble coolant was flank wear, cracking, chipping, and fracture at a cutting distance of 720 mm, but the milling process with nanoparticle-based coolant (TiO 2 / EG) showed chipping and fracture at a cutting distance of 1200 mm. According to ISO 8688-2-1989 (E), the wear criterion for milling with water-soluble coolant is reached at an average cutting distance of 800 mm, but milling with nanoparticle-based coolant (TiO 2 /EG) reached the ISO 8688-2-1989 (E) wear criterion at a cutting distance of 1300 mm. The SEM and EDX spectra show that there are nanolayers of Ti nanoparticles from the nanofluid embedded in and filling the holes in the insert, forming a layer which acts as a thermal bridge for the cutting insert. Attrition and oxidation at the cutting edge were the main tool wear mechanisms present during the end-milling operation with nanoparticlebased coolant (TiO 2 /EG). An oxide layer formed during the oxidation wear which shielded the cutting tool from impact during the milling process.

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“…Some good results were obtained with this technique. Liu et al (2013) observed that the wear execution of different coated tool inserts in high speed dry and MQL turning of Ti6Al4V titanium alloy, MQL was found to be superior and feed rate was the principle variable influencing on cutting forces and surface roughness. Revankar et al (2014) observed that the surface roughness is minimum in MQL environment as compared to dry and wet condition.…”

Section: Introductionmentioning

confidence: 96%