Keiichiro Oh-ishi - Publication List

2009

Bimodally grained microstructure development during hot extrusion of Mg-2.4Zn-0.1Ag-0.1Ca-0.16Zr (at.%) alloys
K. Oh-ishi, C.L. Mendis, T. Homma, S. Kamado, T. Ohkubo, K. Hono, Acta Mater., (2009) in press.

Age hardening response of Mg-0.3 at.%Ca alloys with different Zn content
K. Oh-ishi, R. Watanabe, C.L. Mendis, K. Hono, Mater. Sci. Eng., (2009) in press.

Consolidation of hydrogenation-disproportionation-desorption-recombination processed Nd-Fe-B magnets by spark plasma sintering
K. Suresh, T. Ohkubo, Y. K. Takahashi, K. Oh-ishi, R. Gopalan, K. Hono, T. Nishiuchi, N. Nozawa, and S. Hirosawa, J. Mag. Mag. Mater., (2009) in press.

Bimodally grained high strength Fe fabricated by mechanical alloying and spark plasma sintering
B. Srinivasarao, K. Oh-ishi, T. Ohkubo, K. Hono, Acta Materialia 57 (2009), 3277-3286.

Microstructure and mechanical properties of Al-Zr nanocomposite materials
B. Srinivasarao, C. Suryanarayana. K. Oh-ishi and K. Hono: Mater. Sci. Eng. A518 (2009), 100-107.

The building block of long-period structures in Mg-RE-Zn alloys
Y.M Zhu, M. Weyland, A.J. Morton, K. Oh-ishi, K. Hono, J.F. Nie, Scripta Mater., 60 (2009), 980-983.

Precipitation-hardenable Mg-2.4Zn-0.1Ag-0.1Ca-0.16Zr (at%) wrought magnesium alloy
C.L. Mendis, K. Oh-ishi, Y. Kawamura, T. Honma, S. Kamado and K. Hono: Acta Mater., 57 (2009), 749-760.

The effect of friction stir processing on the microstructure and mechanical properties of an aluminum lithium alloy
T.L. Giles, K. Oh-ishi, A.P. Zhilyaev, S. Swaminathan, M.W. Mahoney and T.R. McNelley: Metall. Mater. Trans. A, 40A (2009), 104-115.

2008

Solute segregation and precipitation in a creep-resistant Mg-Gd-Zn alloy
J.F. Nie, K. Oh-ishi, X. Gao and K. Hono: Acta Mater., 56 (2008), 6061-6076.

Effect of pre-aging and Al addition on age-hardening and microstructure in Mg-Zn alloys
K. Oh-ishi, K. Hono and K.S. Shin: Mater. Sci. Eng. A, 496 (2008), 425-433.

Synthesis of high-strength bimodally grained iron by mechanical alloying and spark plasma sintering
B. Srinivasarao, K. Oh-ishi, T. Ohkubo, T. Mukai and K. Hono: Scripta Mater., 58 (2008), 759-762.

Characterization of the transition from grain boundary sliding to solute drag creep in superplastic AA5083
T.R. McNelley, K. Oh-ishi, A.P. Zhilyaev, S. Swaminathan, P. Krajewski and E.M. Taleff: Metall. Mater. Trans. A, 39 (2008), 50-64.

2007

Large apparent compressive strain of metallic glasses
K. Mondal, G. Kumar, T. Ohkubo, K. Oh-ishi, T. Mukai and K. Hono: Phil. Mag. Lett., 87 (2007), 625-635.

Enhanced age hardening in a Mg-2.4at%Zn alloy by trace additions of Ag and Ca
C.L. Mendis, K. Oh-ishi and K. Hono: Scripta Mater., 57 (2007), 485-488.

Microstructure Characterization of Bulk Nanocrystalline Fe-0.8C Alloy produced by Mechanical Milling and Spark Plasma Sintering
K. Oh-ishi, H.W. Zhang, T. Ohkubo and K. Hono: Mater. Sci. Eng., 456 (2007), 20-27.

2006

Influence of ECAP processing parameters on texture and microstructure of commercially pure aluminum
A.P. Zhilyaev, K. Oh-ishi, G.I. Raab and T.R. McNelley: Mater. Sci. Eng. A, 441 (2006), 245-252.

Deformation and Failure of a Superplastic AA5083 Aluminum Material with a Cu addition
W.P. Green, M-A. Kulas, A. Niazi, K. Oh-ishi, E.M. Taleff, P.E. Krajewski and T.R. McNelley: Metall. Mater. Trans. A, 37A (2006), 2727-2738.

Microtexture and Microstructure Evolution during Processing of Pure Aluminum by Repetitive ECAP
A.P. Zhilyaev, D.L. Swisher, K. Oh-ishi, T.G. Langdon and T.R. McNelley: Mater. Sci. and Eng. A, 429 (2006), pp. 137-148.

Enhanced Age Hardening Response by the Addition of Zn in Mg-Sn Alloys
T.T. Sasaki, K. Oh-ishi, T. Ohkubo and K. Hono: Scr. Mater., 55 (2006), 251-254.

A Microtexture Investigation of Recrystallization during Friction Stir Processing of As-Cast NiAl Bronze
K. Oh-ishi, A.P. Zhilyaev and T.R. McNelley: Metall. Mater. Trans. A, 37A (2006), 2239-2251.

Influence of Crystal Orientation on ECAP of Aluminum Single Crystals
Y. Fukuda, K. Oh-ishi, M. Furukawa, Z. Horita and T.G. Langdon: Mater. Sci. and Eng. A, vol. 420 (2006), 79-86.

2005

Effect of Strain Path on Evolution of Deformation Bands during ECAP of Pure Aluminum
K. Oh-ishi, A.P. Zhilyaev and T.R. McNelley: Mater. Sci. Eng. A, 410 (2005), 183-187.

Microstructural Evolution in Commercial Purity Aluminum during High Pressure Torsion
A.P. Zhilyaev, K. Oh-ishi and T.R. McNelley: Mater. Sci. Eng. A, 410 (2005), 277-280.

The Influence of Friction Stir Processing Parameters on Microstructure of As-Cast NiAl Bronze
K. Oh-ishi and T.R. McNelley: Metall. Mater. Trans. A, 36A (2005), 1575-1585.

2004

Processing, Deformation and Failure in Superplastic Aluminum Alloys: Applications of Orientation-Imaging Microscopy
K. Oh-ishi, J. Boydon and T.R. McNelley: J. Mater. Eng. Performance, 13(6) (2004), 710-719.

Microstructural Modification of As-Cast NiAl Bronze by Friction Stir Processing
K. Oh-ishi and T.R. McNelley: Metall. Mater. Trans. A, 35A (2004), 2951-2961.

Microstructural Development in Equal-Channel Angular Pressing Using a 60 deg. Die
K. Furuno, H. Akamatsu, K. Oh-ishi, M. Furukawa, Z. Horita: Acta Mater., 52 (2004), 2497-2507.

The application of Equal-Channel Angular Pressing to an Aluminum Single Crystal
Y. Fukuda, K. Oh-ishi, M. Furukawa, Z. Horita and T.G. Langdon: Acta Mater., 52 (2004), 1387-1395.

2002

An Investigation of Grain Boundary Character Evolution during ECA Pressing of Pure Aluminum
S.D. Terhune, K. Oh-ishi, Z. Horita, T.G. Langdon and T.R. McNelley: Metall. Mater. Trans. A, 33A, (2002), 2173-2184.

Processing of a Low-Carbon Steel by Equal-Channel Angular Pressing
Y. Fukuda, K. Oh-ishi, Z. Horita and T.G. Langdon: Acta Mater., 50 (2002), 1359-1368.

2001
Grain Boundary Structure in Al-Mg and Al-Mg-Sc Alloys after Equal-Channel Angular Pressing
K. Oh-ishi, Z. Horita, D.J. Smith and T.G. Langdon: J. Mater. Res., 16(2) (2001), 583-589.

2000
Fabrication and Thermal Stability of a Nanocrystalline Ni-Al-Cr alloy: Comparison with pure Cu and Ni
K. Oh-ishi, Z. Horita, R.Z. Valiev, M. Nemoto and T.G. Langdon: J.Mater.Res., 14(11) (2000), 4200-4207.

1998
Optimizing the Rotation Conditions for Grain Refinement in Equal-Channel Angular Pressing
K. Oh-ishi, Z. Horita, M. Furukawa, M. Nemoto and T.G. Langdon: Metall. Mater. Trans. A, 29A (1998), 2011-2013.

1997

Microstructure and Strength of B2-Ordered NiAl Containing L21-Ni2AlHf Precipitates
K. Oh-ishi, Z. Horita and M. Nemoto: Mater. Sci. Eng., A239-240 (1997), 472-478.

Effect of Fine Precipitation of Coherent Disordered Phase on Creep Strength of L12-Ordered Co3Ti
H. Takesue, K. Oh-ishi, Z. Horita and M. Nemoto: Mater. Sci. Eng., A239-240 (1997), 479-484.

Phase Separation and Lattice Misfit in a NiAl (β1)-Ni2AlTi(H)-NiTi(β2) System
K. Oh-ishi, Z. Horita and M. Nemoto: Mater. Trans. JIM, 38(2) (1997), 99-106(1997).