Effect of material microstructure on tool wear behavior during machining additively manufactured Ti6Al4V

• Autorzy: Dang Jiaqiang , Cai Xiaojiang , Yu Dedong , An Qinglong , Ming Weiwei , Chen Ming

Identyfikatory

DOI

10.1007/s43452-019-0007-7

• Języki publikacji: EN

Abstrakty

EN

Additive Manufacturing (AM) technologies are increasingly applied in various industries since they provide the possibility to manufacture the components with high geometrical complexity easier and faster than traditional processes. However, the subsequent semi-finish/finish machining operations such as drilling, turning and/or milling are still necessary for AM parts to obtain the required surface textures and meet the practical requirements. As such, the AM parts usually indicate different machinability compared with conventionally produced ones in view of the different material microstructures. A comprehensive understanding of this machining effort is of great importance for similar engineering applications but not widely reported. Thus, an attempt was made in this work to address the effect of the material microstructure on the machining stability and tool wear behavior in dry drilling of the hard titanium alloys. The experimental results highlight a correlation between the tool wear behavior and material microstructures. A great number of micro-pits appeared on the tool flank face and the abrasive marks, coating delamination, as well as catastrophic failure of the cutting edge were found to be more obvious during machining the DMLS alloy. In contrast, adhesion wear followed by micro chipping and build-up edge were distinguished when machining the wrought Ti6Al4V. Meanwhile, heat treatment can improve the flow plasticity and reduce the brittleness of the AM material since catastrophic failure disappeared and chip adhesion becomes more predominant when machining the HTDMLS Ti6Al4V.

Słowa kluczowe

EN

additive manufacturing; Ti6Al4V; material microstructure; drilling; tool wear

PL

mikrostruktura materiału; wiercenie; zużycie narzędzi

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2020
• Tom: Vol. 20, no. 1
• Strony: 41--55
• Opis fizyczny: Bibliogr. 31 poz., fot., rys., wykr.

Twórcy

autor

Dang Jiaqiang

• School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

autor

Cai Xiaojiang

• Shanghai Aerospace Control Technology Institute, Shanghai 201109, China

autor

Yu Dedong

• Second Dental Center, Shanghai Ninth People’s Hospital, Shanghai 201999, China

autor

An Qinglong

• School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

autor

Ming Weiwei

• School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

autor

Chen Ming

• School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)