Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material

The usage of direct metal laser sintering (DMLS) process in additive manufacturing (AM) for aluminium alloys is a promising method due to the potential, benefiting manufacturing industries such as aerospace and automotive sectors. However, the current research on this method is limited to establish...

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Main Authors:	M. S., Shaari, A. K., Ariffin, Akiyuki, Takahashi, M. R. M., Akramin, S., Abdullah, M. N., M. Husnain
Format:	Conference or Workshop Item
Language:	English English
Published:	Universiti Malaysia Pahang 2019
Subjects:	TJ Mechanical engineering and machinery TS Manufactures
Online Access:	http://umpir.ump.edu.my/id/eprint/26477/ http://umpir.ump.edu.my/id/eprint/26477/1/70.%20Fatigue%20crack%20growth%20prediction%20using%20s-version%20finite.pdf http://umpir.ump.edu.my/id/eprint/26477/2/70.1%20Fatigue%20crack%20growth%20prediction%20using%20s-version%20finite.pdf

id	ump-26477
recordtype	eprints
spelling	ump-264772019-12-04T07:53:13Z http://umpir.ump.edu.my/id/eprint/26477/ Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material M. S., Shaari A. K., Ariffin Akiyuki, Takahashi M. R. M., Akramin S., Abdullah M. N., M. Husnain TJ Mechanical engineering and machinery TS Manufactures The usage of direct metal laser sintering (DMLS) process in additive manufacturing (AM) for aluminium alloys is a promising method due to the potential, benefiting manufacturing industries such as aerospace and automotive sectors. However, the current research on this method is limited to establish the integrity of aluminium alloy produced by DMLS for industrial standard. Therefore, further studies are required to gain more information about the microstructural, mechanical properties and fatigue crack growth behaviour of AlSi10Mg material produced by DMLS. The purpose of this study is to investigate the material characteristics, microstructure and fatigue crack growth behaviour of AlSi10Mg material manufactured using DMLS method. Fatigue crack growth behaviour is performed using the Sversion Finite Element Method (FEM). The S-version FEM is modeled using the global-local overlay technique that consists of two separate meshes for global and local. The behavior of the fatigue crack growth is characterized by using the association of energy release rate and stress intensity factors. Corresponding to the linear elastic fracture mechanics concept, the stress intensity factor is calculated using the virtual crack closure-integral method (VCCM). The material is also subjected to solution heat treatment (SHT) to T6 condition. The material properties, microstructure and fatigue behaviour are compared between heat-treated and as-built specimens. From the tensile test, the T6 specimen is more ductile with significant increments from 4.3% for as-built to 14.7% for T6. The maximum stress for the as-built specimen is recorded at 280.4 MPa whiles the T6 specimen is at 310.2 MPa. This study provides insight into the material haracteristic such as microstructure and mechanical properties. Hence, further investigation is needed to improve the integrity of AM for especially material strength and material fatigue behaviour for AM material manufactured using DMLS method.nanoparticles in the presence of oil were longer rather than the distance transported without oil. Universiti Malaysia Pahang 2019 Conference or Workshop Item PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/26477/1/70.%20Fatigue%20crack%20growth%20prediction%20using%20s-version%20finite.pdf pdf en http://umpir.ump.edu.my/id/eprint/26477/2/70.1%20Fatigue%20crack%20growth%20prediction%20using%20s-version%20finite.pdf M. S., Shaari and A. K., Ariffin and Akiyuki, Takahashi and M. R. M., Akramin and S., Abdullah and M. N., M. Husnain (2019) Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material. In: 11th International Conference on Numerical Analysis In Engineering (NAE 2019), 20-22 August 2019 , Bangi, Malaysia. pp. 1-12.. (Unpublished)
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English
topic	TJ Mechanical engineering and machinery TS Manufactures
spellingShingle	TJ Mechanical engineering and machinery TS Manufactures M. S., Shaari A. K., Ariffin Akiyuki, Takahashi M. R. M., Akramin S., Abdullah M. N., M. Husnain Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material
description	The usage of direct metal laser sintering (DMLS) process in additive manufacturing (AM) for aluminium alloys is a promising method due to the potential, benefiting manufacturing industries such as aerospace and automotive sectors. However, the current research on this method is limited to establish the integrity of aluminium alloy produced by DMLS for industrial standard. Therefore, further studies are required to gain more information about the microstructural, mechanical properties and fatigue crack growth behaviour of AlSi10Mg material produced by DMLS. The purpose of this study is to investigate the material characteristics, microstructure and fatigue crack growth behaviour of AlSi10Mg material manufactured using DMLS method. Fatigue crack growth behaviour is performed using the Sversion Finite Element Method (FEM). The S-version FEM is modeled using the global-local overlay technique that consists of two separate meshes for global and local. The behavior of the fatigue crack growth is characterized by using the association of energy release rate and stress intensity factors. Corresponding to the linear elastic fracture mechanics concept, the stress intensity factor is calculated using the virtual crack closure-integral method (VCCM). The material is also subjected to solution heat treatment (SHT) to T6 condition. The material properties, microstructure and fatigue behaviour are compared between heat-treated and as-built specimens. From the tensile test, the T6 specimen is more ductile with significant increments from 4.3% for as-built to 14.7% for T6. The maximum stress for the as-built specimen is recorded at 280.4 MPa whiles the T6 specimen is at 310.2 MPa. This study provides insight into the material haracteristic such as microstructure and mechanical properties. Hence, further investigation is needed to improve the integrity of AM for especially material strength and material fatigue behaviour for AM material manufactured using DMLS method.nanoparticles in the presence of oil were longer rather than the distance transported without oil.
format	Conference or Workshop Item
author	M. S., Shaari A. K., Ariffin Akiyuki, Takahashi M. R. M., Akramin S., Abdullah M. N., M. Husnain
author_facet	M. S., Shaari A. K., Ariffin Akiyuki, Takahashi M. R. M., Akramin S., Abdullah M. N., M. Husnain
author_sort	M. S., Shaari
title	Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material
title_short	Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material
title_full	Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material
title_fullStr	Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material
title_full_unstemmed	Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material
title_sort	fatigue crack growth prediction using s-version finite element method for alsi10mg: an additive manufacturing material
publisher	Universiti Malaysia Pahang
publishDate	2019
url	http://umpir.ump.edu.my/id/eprint/26477/ http://umpir.ump.edu.my/id/eprint/26477/1/70.%20Fatigue%20crack%20growth%20prediction%20using%20s-version%20finite.pdf http://umpir.ump.edu.my/id/eprint/26477/2/70.1%20Fatigue%20crack%20growth%20prediction%20using%20s-version%20finite.pdf
first_indexed	2023-09-18T22:41:16Z
last_indexed	2023-09-18T22:41:16Z
_version_	1777416930696626176

Fatigue crack growth prediction using S-version finite element method for AlSi10Mg: an additive manufacturing material

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