國立虎尾科技大學 |

Numerical Simulation and Experimental Investigation of the Fracture Behaviour of an Electron Beam Welded Steel Joint

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Numerical Simulation and Experimental Investigation of the Fracture Behaviour of an Electron Beam Welded Steel Joint/ by Haoyun Tu.
作者:	Tu, Haoyun.
面頁冊數:	XVII, 171 p. 190 illus., 163 illus. in color.online resource. :
Contained By:	Springer Nature eBook
標題:	Metals. -
電子資源:	https://doi.org/10.1007/978-3-319-67277-9
ISBN:	9783319672779

Numerical Simulation and Experimental Investigation of the Fracture Behaviour of an Electron Beam Welded Steel Joint
Tu, Haoyun.

Numerical Simulation and Experimental Investigation of the Fracture Behaviour of an Electron Beam Welded Steel Joint[electronic resource] /by Haoyun Tu. - 1st ed. 2018. - XVII, 171 p. 190 illus., 163 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

In this thesis, the author investigates experimentally and numerically the fracture behavior of an electron beam welded joint made from two butt S355 plates. The 2D Rousselier model, the Gurson-Tvergaard- Needleman (GTN) model and the cohesive zone model (CZM) were adopted to predict the crack propagation of thick compact tension (CT) specimens. Advantages and disadvantages of the three mentioned models are discussed. The cohesive zone model is suggested as it is easy to use for scientists & engineers because the CZM has less model parameters and can be used to simulate arbitrary crack propagation. The results shown in this thesis help to evaluate the fracture behavior of a metallic material. A 3D optical deformation measurement system (ARAMIS) and the synchrotron radiation-computed laminography (SRCL) technique reveal for the first time the damage evolution on the surface of the sample and inside a thin sheet specimen obtained from steel S355. Damage evolution by void initiation, growth and coalescence are visualized in 2D and 3D laminographic images. Two fracture types, i.e., a flat crack propagation originated from void initiation, growth and coalescence and a shear coalescence mechanism are visualized in 2D and 3D images of laminographic data, showing the complexity of real fracture. In the dissertation, the 3D Rousselier model is applied for the first time successfully to predict different microcrack shapes before shear cracks arise by defining the finite elements in front of the initial notch with inhomogeneous f0-values. The influence of the distribution of inclusions on the fracture shape is also discussed. For the analyzed material, a homogeneous distribution of particles in the material provides the highest resistance to fracture.

ISBN: 9783319672779

Standard No.: 10.1007/978-3-319-67277-9doiSubjects--Topical Terms:

563369
Metals.

LC Class. No.: TA459-492

Dewey Class. No.: 620.16

Numerical Simulation and Experimental Investigation of the Fracture Behaviour of an Electron Beam Welded Steel Joint
LDR:03269nam a22003975i 4500 001 988072
003 DE-He213
005 20200705101333.0
007 cr nn 008mamaa
008 201225s2018 gw | s |||| 0|eng d
020 $a 9783319672779 $9 978-3-319-67277-9
024 7 $a 10.1007/978-3-319-67277-9 $2 doi
035 $a 978-3-319-67277-9
050 4 $a TA459-492
072 7 $a TDM $2 bicssc
072 7 $a TEC021030 $2 bisacsh
072 7 $a TDPM $2 thema
082 0 4 $a 620.16 $2 23
100 1 $a Tu, Haoyun. $e author. $4 aut $4 http://id.loc.gov/vocabulary/relators/aut $3 1280400
245 1 0 $a Numerical Simulation and Experimental Investigation of the Fracture Behaviour of an Electron Beam Welded Steel Joint $h [electronic resource] / $c by Haoyun Tu.
250 $a 1st ed. 2018.
264 1 $a Cham : $b Springer International Publishing : $b Imprint: Springer, $c 2018.
300 $a XVII, 171 p. 190 illus., 163 illus. in color. $b online resource.
336 $a text $b txt $2 rdacontent
337 $a computer $b c $2 rdamedia
338 $a online resource $b cr $2 rdacarrier
347 $a text file $b PDF $2 rda
490 1 $a Springer Theses, Recognizing Outstanding Ph.D. Research, $x 2190-5053
520 $a In this thesis, the author investigates experimentally and numerically the fracture behavior of an electron beam welded joint made from two butt S355 plates. The 2D Rousselier model, the Gurson-Tvergaard- Needleman (GTN) model and the cohesive zone model (CZM) were adopted to predict the crack propagation of thick compact tension (CT) specimens. Advantages and disadvantages of the three mentioned models are discussed. The cohesive zone model is suggested as it is easy to use for scientists & engineers because the CZM has less model parameters and can be used to simulate arbitrary crack propagation. The results shown in this thesis help to evaluate the fracture behavior of a metallic material. A 3D optical deformation measurement system (ARAMIS) and the synchrotron radiation-computed laminography (SRCL) technique reveal for the first time the damage evolution on the surface of the sample and inside a thin sheet specimen obtained from steel S355. Damage evolution by void initiation, growth and coalescence are visualized in 2D and 3D laminographic images. Two fracture types, i.e., a flat crack propagation originated from void initiation, growth and coalescence and a shear coalescence mechanism are visualized in 2D and 3D images of laminographic data, showing the complexity of real fracture. In the dissertation, the 3D Rousselier model is applied for the first time successfully to predict different microcrack shapes before shear cracks arise by defining the finite elements in front of the initial notch with inhomogeneous f0-values. The influence of the distribution of inclusions on the fracture shape is also discussed. For the analyzed material, a homogeneous distribution of particles in the material provides the highest resistance to fracture.
650 0 $a Metals. $3 563369
650 0 $a Mechanics. $3 527684
650 0 $a Mechanics, Applied. $3 596630
650 0 $a Materials—Surfaces. $3 1253588
650 0 $a Thin films. $3 560219
650 0 $a Materials science. $3 557839
650 1 4 $a Metallic Materials. $3 671028
650 2 4 $a Solid Mechanics. $3 1211586
650 2 4 $a Surfaces and Interfaces, Thin Films. $3 671207
650 2 4 $a Characterization and Evaluation of Materials. $3 674449
710 2 $a SpringerLink (Online service) $3 593884
773 0 $t Springer Nature eBook
776 0 8 $i Printed edition: $z 9783319672762
776 0 8 $i Printed edition: $z 9783319672786
776 0 8 $i Printed edition: $z 9783319884059
830 0 $a Springer Theses, Recognizing Outstanding Ph.D. Research, $x 2190-5053 $3 1253569
856 4 0 $u https://doi.org/10.1007/978-3-319-67277-9
912 $a ZDB-2-CMS
912 $a ZDB-2-SXC
950 $a Chemistry and Materials Science (SpringerNature-11644)
950 $a Chemistry and Material Science (R0) (SpringerNature-43709)