Selective Laser Melting process optimization of Ti-Mo-TiC metal matrix composites

被引：27

作者：

Vrancken, Bey ^{[1
,2
]}

Dadbakhsh, Sasan ^{[3
,4
]}

Mertens, Raya ^{[3
]}

Vanmeensel, Kim ^{[1
]}

Vleugels, Jef ^{[1
]}

Yang, Shoufeng ^{[3
]}

Kruth, Jean-Pierre ^{[3
]}

机构：

[1] Katholieke Univ Leuven, Dept Mat Engn, Leuven, Belgium

[2] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[3] Katholieke Univ Leuven, Dept Mech Engn, PMA, Leuven, Belgium

[4] KTH Royal Inst Technol, Dept Prod Engn, Stockholm, Sweden

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2019年 / 68卷 / 01期

关键词：

Selective Laser Melting (SLM); Metal matrix composite; Titanium; MICROSTRUCTURE;

D O I：

10.1016/j.cirp.2019.04.120

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Selective Laser Melting (SLM) was used to process a powder mixture of CP Ti, 6.5 wt% Mo and 3.5 wt% Mo2C. The process parameters were optimized to obtain full-density, crack free parts. After the in situ decomposition of Mo2C in favor of the formation of TiC, the material consisted of a homogeneous dispersion of submicrometer sized TiC platelets in a beta-(Ti,Mo) matrix exhibiting a high hardness up to 550 HV and compressive yield stress of 1164 +/- 37 MPa. The microstructure and mechanical properties could be tailored by variation of the process parameters within the high-density processing window, as well as through post-process heat treatments. (C) 2019 Published by Elsevier Ltd on behalf of CIRP.

引用

页码：221 / 224

页数：4

共 14 条

[11]

Van Vaerenbergh J, 2008, PROCESS OPTIMISATION

[12] Microstructure and mechanical properties of a novel β titanium metallic composite by selective laser melting [J].

Vrancken, B. ;

Thijs, L. ;

Kruth, J. -P. ;

Van Humbeeck, J. .

ACTA MATERIALIA, 2014, 68 :150-158

[13] Heat treatment of Ti6Al4V produced by Selective Laser Melting: Microstructure and mechanical properties [J].

Vrancken, Bey ;

Thijs, Lore ;

Kruth, Jean-Pierre ;

Van Humbeeck, Jan .

JOURNAL OF ALLOYS AND COMPOUNDS, 2012, 541 :177-185

[14] The investigation of the influence of laser re-melting on density, surface quality and microstructure of selective laser melting parts [J].

Yasa, Evren ;

Deckers, Jan ;

Kruth, Jean-Pierre .

RAPID PROTOTYPING JOURNAL, 2011, 17 (05) :312-327

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