In-situ strengthening of a high strength low alloy steel during Wire and Arc Additive Manufacturing (WAAM)

被引：145

作者：

Rodrigues, Tiago A. ^{[1
]}

Duarte, V. R. ^{[1
]}

Tomas, D. ^{[1
]}

Avila, Julian A. ^{[2
]}

Escobar, J. D. ^{[3
]}

Rossinyol, Emma ^{[4
]}

Schell, N. ^{[5
]}

Santos, Telmo G. ^{[1
]}

Oliveira, J. P. ^{[1
,6
]}

机构：

[1] Univ Nova Lisboa, UNIDEMI, Dept Mech & Ind Engn, NOVA Sch Sci & Technol, P-2829516 Caparica, Portugal

[2] Sao Paulo State Univ UNESP, Campus Sao Joao da Boa Vista, BR-13876750 Sao Joao Da Boa Vista, SP, Brazil

[3] Univ Sao Paulo, Met & Mat Engn Dept, Ave Prof Mello Moraes 2463, BR-05508030 Sao Paulo, SP, Brazil

[4] Univ Autonoma Barcelona, Serv Microscopia, E-08193 Bellaterra, Spain

[5] Helmholtz Zentrum Geesthacht, Inst Mat Res, Max Planck Str 1, D-21502 Geesthacht, Germany

[6] Univ Nova Lisboa, Dept Mat Sci, NOVA Sch Sci & Technol, CENIMAT I3N, P-2829516 Caparica, Portugal

来源：

ADDITIVE MANUFACTURING | 2020年 / 34卷

基金：

欧盟地平线“2020”; 巴西圣保罗研究基金会;

关键词：

Wire and Arc Additive Manufacturing; HSLA steel; SiC; Inoculants; Synchrotron X-ray diffraction; Mechanical testing; AFFECTED ZONE MICROSTRUCTURES; MECHANICAL-PROPERTIES; SILICON; PRECIPITATION; MARTENSITE; AUSTENITE; TOUGHNESS; CEMENTITE; BEHAVIOR;

D O I：

10.1016/j.addma.2020.101200

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, SiC particles were added to the molten pool during WAAM of a high strength low alloy steel. The introduction of these high melting point particles promoted grain refinement, and the precipitation of Fe3C due to SiC dissociation. The microstructural evolution was studied by optical and electron microscopy techniques and high energy synchrotron X-ray diffraction. Additionally, mechanical testing and hardness profiles were obtained for the SiC-containing and SiC-free parts. An improvement in the mechanical strength of the SiC-added WAAM parts was observed, which was attributed to the refined grain structure and finely dispersed Fe3C.

引用

页数：10

共 39 条

[1] The mechanical properties of in situ composites [J].

Aikin, RM .

JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY, 1997, 49 (08) :35-39

[2] The mechanism of acicular ferrite in weld deposits [J].

Babu, SS .

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 2004, 8 (3-4) :267-278

[3]

Bhadeshia H., 2001, Bainite in Steels: Transformation, Microstructure and Properties

[4]

Bhadeshia Harry, 2020, STEELS MICROSTRUCTUR

[5] Very strong bainite [J].

Caballero, FG ;

Bhadeshia, HKDH .

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 2004, 8 (3-4) :251-257

[6] Invited review article: Strategies and processes for high quality wire arc additive manufacturing [J].

Cunningham, C. R. ;

Flynn, J. M. ;

Shokrani, A. ;

Dhokia, V. ;

Newman, S. T. .

ADDITIVE MANUFACTURING, 2018, 22 :672-686

[7] Influence of silicon content on the precipitation of secondary carbides and fatigue properties of a 5%Cr tempered martensitic steel [J].

Delagnes, D ;

Lamesle, P ;

Mathon, MH ;

Mebarki, N ;

Levaillant, C .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2005, 394 (1-2) :435-444

[8] Analysis of fracture toughness properties of wire plus arc additive manufactured high strength low alloy structural steel components [J].

Dirisu, Philip ;

Ganguly, Supriyo ;

Mehmanparast, Ali ;

Martina, Filomeno ;

Williams, Stewart .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2019, 765

[9]

Faria G.A., 2014, EXPLORING METALLIC M, P129

[10] Synchrotron analysis of toughness anomalies in nanostructured bainite [J].

Fielding, L. C. D. ;

Jones, N. G. ;

Walsh, J. ;

Van Boxel, S. ;

Blackmur, M. S. ;

Lee, P. D. ;

Withers, P. J. ;

Stone, H. J. ;

Bhadeshia, H. K. D. H. .

ACTA MATERIALIA, 2016, 105 :52-58

← 1 2 3 4 →