Research Output 1987 2017

  • 511 Citations
  • 13 h-Index
  • 117 Article
  • 4 Conference contribution
2017
1 Citations

Aluminum alloy foam-filled aluminum tube fabricated by friction stir back extrusion and its compression properties

Hangai, Y., Otazawa, S. & Utsunomiya, T. 2017 Jan 27 (Accepted/In press) In : Composite Structures.

Research output: Research - peer-reviewArticle

Aluminum
Extrusion
Foams
Aluminum alloys
Compaction
1 Citations

Foaming behavior of aluminum foam precursor induced by friction heat generated by rotating tool used for spot friction stir welding

Hangai, Y., Takada, K., Endoh, R., Koyama, S. & Utsunomiya, T. 2017 Jan 1 In : Journal of Manufacturing Processes. 25, p. 426-431 6 p.

Research output: Research - peer-reviewArticle

Friction stir welding
Foams
Friction
Aluminum
Hot Temperature
2 Citations
Aluminum
Foams
Aluminum alloys
Dissolution
Sintering

Mechanical properties of functionally graded porous aluminum consisting of pure aluminum and Al-Mg-Si aluminum alloy

Hangai, Y., Morita, T. & Utsunomiya, T. 2017 Analysis of Damage Features and Failures for Structural Materials and Parts. Trans Tech Publications Ltd, Vol. 741 KEM, p. 1-6 6 p. (Key Engineering Materials; vol. 741 KEM)

Research output: ResearchConference contribution

Aluminum
Aluminum alloys
Mechanical properties
Stress-strain curves
Energy absorption
2016
1 Citations

Aluminum Foam-Filled Pipe Using Thin-Wall Aluminum Pipe Fabricated from Plate

Hangai, Y., Nakano, Y., Utsunomiya, T., Kuwazuru, O., Kitahara, S. & Yoshikawa, N. 2016 In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 80, 6, p. 386-389 4 p.

Research output: Research - peer-reviewArticle

Aluminum pipe
Aluminum
Foams
Pipe
thin walls
1 Citations

Control of deformation behavior of aluminum foam-filled tube by introducing slit on pipe

Hangai, Y., Nakano, Y., Utsunomiya, T., Kuwazuru, O., Kitahara, S. & Yoshikawa, N. 2016 In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 80, 11, p. 707-712 6 p.

Research output: Research - peer-reviewArticle

foams
slits
tubes
aluminum
Aluminum
2 Citations

Drop Weight Impact Behavior of Al-Si-Cu Alloy Foam-Filled Thin-Walled Steel Pipe Fabricated by Friction Stir Back Extrusion

Hangai, Y., Nakano, Y., Utsunomiya, T., Kuwazuru, O. & Yoshikawa, N. 2016 Dec 22 (Accepted/In press) In : Journal of Materials Engineering and Performance. p. 1-7 7 p.

Research output: Research - peer-reviewArticle

Steel pipe
Extrusion
Foams
Friction
Pipe
1 Citations

Fabrication of two layers porous aluminum varying porosity by friction powder sintering process and its compression properties

Hangai, Y., Ishihara, A., Utsunomiya, T., Kuwazuru, O. & Yoshikawa, N. 2016 In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 80, 6, p. 390-393 4 p.

Research output: Research - peer-reviewArticle

Compaction
Sintering
Porosity
Friction
Aluminum
2 Citations

Foaming behavior of aluminum foam precursor using only friction heat of rotating tool

Hangai, Y., Morita, T. & Utsunomiya, T. 2016 In : Materials Transactions. 57, 6, p. 1014-1016 3 p.

Research output: Research - peer-reviewArticle

foaming
foams
friction
aluminum
heat
2015

Deformation and plateau region of functionally graded aluminum foam by amount combinations of added blowing agent

Hangai, Y., Utsunomiya, T., Kuwazuru, O., Kitahara, S. & Yoshikawa, N. 2015 In : Materials. 8, 10, p. 7161-7168 8 p.

Research output: Research - peer-reviewArticle

Blowing agents
Aluminum
Foams
Porosity
Friction stir welding
11 Citations

Drop weight impact behavior of functionally graded aluminum foam consisting of A1050 and A6061 aluminum alloys

Hangai, Y., Kubota, N., Utsunomiya, T., Kawashima, H., Kuwazuru, O. & Yoshikawa, N. 2015 In : Materials Science and Engineering A. 639, p. 597-603 7 p.

Research output: Research - peer-reviewArticle

foams
aluminum alloys
aluminum
Aluminum
Foams
1 Citations

Empirical formulation of stress concentration factor around an arbitrary-sized spherical dual-cavity system and its application to aluminum die castings

Bidhar, S., Kuwazuru, O., Shiihara, Y., Utsunomiya, T., Hangai, Y., Nomura, M., Watanabe, I. & Yoshikawa, N. 2015 Sep 15 In : Applied Mathematical Modelling. 39, 18, p. 5707-5723 17 p.

Research output: Research - peer-reviewArticle

Die castings
Stress concentration
Aluminum
Crack initiation
Engines
1 Citations

Practical application of empirical formulation of the stress concentration factor around equally sized dual spherical cavities to aluminum die cast

Bidhar, S., Kuwazuru, O., Shiihara, Y., Hangai, Y., Utsunomiya, T., Watanabe, I. & Yoshikawa, N. 2015 In : Applied Mathematical Modelling. 39, 2, p. 881-893 13 p.

Research output: Research - peer-reviewArticle

Stress concentration
Aluminum
Curve fitting
Regression analysis
Boundary conditions
2014
14 Citations

Aluminum alloy foam core sandwich panels fabricated from die casting aluminum alloy by friction stir welding route

Hangai, Y., Kamada, H., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2014 In : Journal of Materials Processing Technology. 214, 9, p. 1928-1934 7 p.

Research output: Research - peer-reviewArticle

Friction stir welding
Die casting
Foams
Aluminum alloys
Aluminum

Development of a strain sensor using an oscillator circuit

Kanda, A., Utsunomiya, T. & Saitoh, A. 2014 Sep 1 In : Transactions of the Japan Society for Aeronautical and Space Sciences. 57, 5, p. 272-278 7 p.

Research output: Research - peer-reviewArticle

oscillators
sensors
Networks (circuits)
Sensors
sensor
22 Citations

Fabrication and compression properties of functionally graded foam with uniform pore structures consisting of dissimilar A1050 and A6061 aluminum alloys

Hangai, Y., Saito, K., Utsunomiya, T., Kuwazuru, O. & Yoshikawa, N. 2014 Sep 8 In : Materials Science and Engineering A. 613, p. 163-170 8 p.

Research output: Research - peer-reviewArticle

Pore structure
Foams
Aluminum alloys
Compaction
Fabrication
8 Citations

Fabrication of aluminum foam-filled thin-wall steel tube by friction welding and its compression properties

Hangai, Y., Saito, M., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2014 In : Materials. 6, 9, p. 6796-6810 15 p.

Research output: Research - peer-reviewArticle

Friction welding
Steel
Aluminum
Foams
Compaction

Image-based finite element analysis of porous aluminum and its accuracy examination

Kuwazuru, O., Utsunomiya, T., Hangai, Y. & Myojo, T. 2014 In : Keikinzoku/Journal of Japan Institute of Light Metals. 64, 11, p. 551-556 6 p.

Research output: Research - peer-reviewArticle

Aluminum
Finite element method
Stress-strain curves
Pore structure
Plastics
Aluminum
Tomography
Foams
X rays
Friction stir welding
1 Citations

Precision enhancement of image-based finite element analysis using cubic element

Kuwazuru, O., Utsunomiya, T., Hangai, Y. & Sasaki, T. 2014 In : Keikinzoku/Journal of Japan Institute of Light Metals. 64, 11, p. 613-614 2 p.

Research output: Research - peer-reviewArticle

Stress concentration
Porosity
Finite element method
3 Citations

Tensile properties and fracture behavior of aluminum alloy foam fabricated from die castings without using blowing agent by friction stir processing route

Hangai, Y., Kamada, H., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2014 In : Materials. 7, 3, p. 2382-2394 13 p.

Research output: Research - peer-reviewArticle

Die castings
Blowing agents
Tensile properties
Foams
Aluminum alloys
2013
1 Citations

Compression properties of Al/Al-Mg-Si/Al-Si-Cu alloy Three-Layered functionally graded aluminum foam

Saito, K., Hangai, Y., Utsunomiya, T., Kuwazuru, O., Kitahara, S. & Yoshikawa, N. 2013 Oct In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 77, 10, p. 430-434 5 p.

Research output: Research - peer-reviewArticle

foams
aluminum
Aluminum
Foams
porosity
13 Citations

Compression properties of Al/Al-Si-Cu alloy functionally graded aluminum foam fabricated by friction stir processing route

Hangai, Y., Saito, K., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2013 In : Materials Transactions. 54, 3, p. 405-408 4 p.

Research output: Research - peer-reviewArticle

Foams
Compaction
Friction
Aluminum
Processing
7 Citations

Compression properties of three-layered functionally graded ADC12 aluminum foam fabricated by friction stir welding

Hangai, Y., Kamada, H., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2013 In : Materials Transactions. 54, 8, p. 1268-1273 6 p.

Research output: Research - peer-reviewArticle

Friction stir welding
Aluminum
Foams
friction stir welding
foams
10 Citations

Deformation behavior estimation of aluminum foam by X-ray CT image-based finite element analysis

Hangai, Y., Yamaguchi, R., Takahashi, S., Utsunomiya, T., Kuwazuru, O. & Yoshikawa, N. 2013 Apr In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 44, 4, p. 1880-1886 7 p.

Research output: Research - peer-reviewArticle

Aluminum
Tomography
Foams
Finite element method
X rays
1 Citations

Estimation of plateau stress of porous aluminum based on mean stress on maximum-porosity cross section

Utsunomiya, T., Yamaguchi, R., Hangai, Y., Kuwazuru, O. & Yoshikawa, N. 2013 In : Materials Transactions. 54, 7, p. 1182-1186 5 p.

Research output: Research - peer-reviewArticle

plateaus
aluminum
porosity
cross sections
Aluminum
1 Citations

Fabrication and tensile property of sandwich panel with ADC12 foam core by friction stir processing route

Utsunomiya, T., Ishii, N., Hangai, Y., Koyama, S., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2013 Sep In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 77, 9, p. 385-390 6 p.

Research output: Research - peer-reviewArticle

tensile properties
foams
friction
routes
aluminum

Fabrication of functionally graded porous aluminum of three layer structure fabricated by different aluminum alloys

Saito, K., Hangai, Y., Utsunomiya, T., Kuwazuru, O., Yoshikawa, N. & Kitahara, S. 2013 In : Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 79, 804, p. 1088-1092 5 p.

Research output: Research - peer-reviewArticle

Aluminum
Aluminum alloys
Fabrication
Pore structure
Friction stir welding

Observation of the fracture behavior in A1050-ADC12 functionally graded porous aluminum under impact compression

Kubota, N., Saito, K., Hangai, Y., Utsunomiya, T., Ishima, T., Kawashima, H., Kuwazuru, O. & Yoshikawa, N. 2013 In : Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 79, 804, p. 1076-1078 3 p.

Research output: Research - peer-reviewArticle

Aluminum
Compaction
Energy absorption
Friction
Processing
2012
9 Citations

Effects of Porosity and Pore structure on Compression Properties of Blowing-Agent-Free Aluminum Foams Fabricated from Aluminum Alloy Die Castings

Hangai, Y., Kato, H., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2012 Aug 1 In : Materials Transactions. 53, p. 1515-1520

Research output: Research - peer-reviewArticle

14 Citations

Fabrication and tensile tests of aluminum foam sandwich with dense steel face sheets by friction stir processing route

Hangai, Y., Ishii, N., Koyama, S., Utsunomiya, T., Kuwazuru, O. & Yoshikawa, N. 2012 In : Materials Transactions. 53, 4, p. 584-587 4 p.

Research output: Research - peer-reviewArticle

tensile tests
foams
friction
routes
steels

Fabrication of ADC12 porous aluminum with graded porosities and pore structures

Utsunomiya, T., Takahashi, K., Kato, H., Hangai, Y., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2012 In : Keikinzoku/Journal of Japan Institute of Light Metals. 62, 7, p. 278-284 7 p.

Research output: Research - peer-reviewArticle

Pore structure
Aluminum
Porosity
Fabrication
Friction
4 Citations

Fabrication of composite structural material with ADC12 porous aluminum and dense steel by friction stir welding route

Hangai, Y., Ishii, N., Koyama, S., Utsunomiya, T. & Kitahara, S. 2012 May In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 76, 5, p. 349-354 6 p.

Research output: Research - peer-reviewArticle

friction stir welding
routes
steels
aluminum
fabrication
37 Citations

Fabrication of functionally graded aluminum foam using aluminum alloy die castings by friction stir processing

Hangai, Y., Takahashi, K., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2012 Feb 1 In : Materials Science and Engineering A. 534, p. 716-719 4 p.

Research output: Research - peer-reviewArticle

Die castings
Aluminum
Foams
Aluminum alloys
Friction
55 Citations

Nondestructive observation of pore structure deformation behavior of functionally graded aluminum foam by X-ray computed tomography

Hangai, Y., Takahashi, K., Yamaguchi, R., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2012 Oct 30 In : Materials Science and Engineering A. 556, p. 678-684 7 p.

Research output: Research - peer-reviewArticle

foams
tomography
aluminum
porosity
x rays
3 Citations

Relationship between porosity and interface fracture on aluminum foam sandwich with dense steel face sheets fabricated by friction stir processing route

Utsunomiya, T., Ishii, N., Hangai, Y., Koyama, S., Kuwazuru, O. & Yoshikawa, N. 2012 In : Materials Transactions. 53, 9, p. 1674-1679 6 p.

Research output: Research - peer-reviewArticle

foams
friction
routes
steels
aluminum
2011
11 Citations
Blowing agents
Die casting
Pore structure
Aluminum
Aluminum alloys
1 Citations

Empirical prediction of stress concentration factor for a pair of spherical cavities

Bidhar, S., Kuwazuru, O., Hangai, Y., Yano, T., Utsunomiya, T. & Yoshikawa, N. 2011 2011 4th International Conference on Modeling, Simulation and Applied Optimization, ICMSAO 2011. 5775602

Research output: ResearchConference contribution

Stress concentration
Fatigue of materials
Gases
Fatigue cracks
Crack initiation
1 Citations

Equivalent elastic property of cast aluminum alloy around clustered shrinkage pores

Kuwazuru, O., Yano, T., Hangai, Y., Utsunomiya, T., Bidhar, S., Kitahara, S. & Yoshikawa, N. 2011 In : Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 77, 779, p. 1046-1050 5 p.

Research output: Research - peer-reviewArticle

Aluminum alloys
Fatigue strength
Elastic constants
Stress concentration
Volume fraction
15 Citations
Aluminum
Foams
Friction
Fabrication
Processing
Aluminum
Friction
Processing
Porosity
Fabrication

Manufacturing of A1050-A6061 functionally graded porous aluminum

Hangai, Y., Oba, Y., Koyama, S., Hasegawa, M. & Utsunomiya, T. 2011 In : Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 77, 779, p. 1021-1024 4 p.

Research output: Research - peer-reviewArticle

Aluminum
Friction
Processing
Blowing agents
Energy absorption

Manufacturing of porous aluminum component by using die

Utsunomiya, T., Tsukada, A. & Hangai, Y. 2011 In : Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 77, 779, p. 1017-1020 4 p.

Research output: Research - peer-reviewArticle

Aluminum
Friction
Processing
Pore structure
Porosity

Manufacturing of sandwich panel with porous aluminum/dense steel plate by friction stir processing route

Utsunomiya, T., Ishii, N., Hangai, Y., Koyama, S., Hasegawa, M., Kuwazuru, O. & Yoshikawa, N. 2011 In : Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 77, 779, p. 1013-1016 4 p.

Research output: Research - peer-reviewArticle

Steel
Aluminum
Friction
Processing
Blowing agents

Multiscale Modeling and Analysis of Die Cast Aluminum Alloy to Consider Clustered Shrinkage Pores

Kuwazuru, O., Yano, T., Hangai, Y., Utsunomiya, T., Bidhar, S., Shiihara, Y., Kitahara, S. & Yoshikawa, N. 2011 Sep 21 In : International Conference on Advanced Technology in Experimental Mechanics 2011, ATEM’ 11, Abstract Book. p. 226

Research output: Research - peer-reviewArticle

Pore collapsed behavior of porous aluminum during compression process by using X-ray CT nondestructive observation

Hangai, Y., Yamaguchi, R., Takahashi, S., Utsunomiya, T., Kuwazuru, O. & Yoshikawa, N. 2011 In : Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 77, 779, p. 1025-1027 3 p.

Research output: Research - peer-reviewArticle

Aluminum
X rays
Energy absorption
2 Citations

Quantitative evaluation of pore area distribution in ADC12 porous aluminum by fractal dimensions

Hangai, Y., Takahashi, K., Kato, H., Utsunomiya, T., Kitahara, S., Kuwazuru, O. & Yoshikawa, N. 2011 Aug In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 75, 8, p. 465-467 3 p.

Research output: Research - peer-reviewArticle

fractals
aluminum
porosity
evaluation
Fractal dimension
2 Citations
Aluminum alloys
Casting
Porosity
Fatigue of materials
Fatigue strength
2 Citations
Aluminum alloys
Porosity
Fatigue strength
Volume fraction
Stress concentration