High temperature dry sliding wear behaviour of selective laser melted Ti-6Al-4V alloy surfaces

被引：16

作者：

Praveenkumar, K. ^{[1
]}

Vishnu, Jithin ^{[2
]}

Samuel, S. Calvin ^{[3
]}

Gopal, Vasanth ^{[1
]}

Arivarasu, Moganraj ^{[4
]}

Lackner, Juergen M. ^{[5
]}

Meier, Benjamin ^{[5
]}

Karthik, D. ^{[6
,7
]}

Suwas, Satyam ^{[1
]}

Swaroop, S. ^{[8
]}

Prashanth, K. G. ^{[9
,10
]}

Yadav, Mayank Kumar ^{[9
]}

Manivasagam, Geetha ^{[10
]}

机构：

[1] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, India

[2] Amrita Vishwa Vidyapeetham, Ctr Flexible Elect & Adv Mat, Dept Mech Engn, Amritapuri 690525, Kerala, India

[3] Vellore Inst Technol, Sch Mech Engn, Vellore 632014, Tamil Nadu, India

[4] Vellore Inst Technol, Ctr Innovat Mfg Res, Vellore 632014, India

[5] JOANNEUM Res Forsch Gesell mbH, Inst Sensors Photon & Mfg Technol, Res Grp Laser & Plasma Proc, Leobner Str 94, A-8712 Niklasdorf, Austria

[6] Presidency Univ, Sch Engn, Dept Phys, Bangalore 560064, Karnataka, India

[7] Dept Sci & Technol, Technol Bhavan, New Mehrauli Rd, New Delhi 110016, India

[8] Vellore Inst Technol, Sch Adv Sci, Surface Modificat Lab, Vellore 632014, Tamil Nadu, India

[9] Tallinn Univ Technol, Dept Mech & Ind Engn, EE-19086 Tallinn, Estonia

[10] Vellore Inst Technol, Ctr Biomat Cellular & Mol Theranost, Vellore 632014, Tamil Nadu, India

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2024年 / 329卷

关键词：

Additive manufacturing; Selective laser melting; Ti-6Al-4V; Surface residual stress; High temperature wear; RESIDUAL-STRESSES; TITANIUM; MICROSTRUCTURE; MECHANISMS; RESISTANCE; TI6AL4V;

D O I：

10.1016/j.jmatprotec.2024.118439

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present study investigates the sparsely documented tribological performance of selective laser -melted Ti-6Al4V over a wide range of temperatures (room temperature to 450 degrees C). The evolution of wear mechanism was traced by examining the phase changes, chemical composition, and morphology of wear tracks in the material. The native oxide layer developed on the surface of the material was found to mitigate adhesive wear during dry sliding at room temperature. At elevated temperatures, this oxide layer contributed to oxidative wear, as evidenced by the formation of a tribo-oxide layer with increased oxygen penetration. Further, abrasive wear was found to increase with increasing temperatures, which could be attributed to the presence of entrapped oxidized wear particles (third -body wear) and material softening.

引用

页数：12

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