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K
K. Hiraga
national institute for materials science
57
H-index
534
Paper Count
1.2W
Citation Count
0
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Published Papers
94
Publication Date
Publication Date
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Citations
Distribution of carbon contamination in oxide ceramics occurring during spark-plasma-sintering (SPS) processing: II - Effect of SPS and loading temperatures
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
IF
6.2
2018-06-01
65
PRE
AI
Morita, Koji; Kim, Byung-Nam; Yoshida, Hidehiro; Hiraga, Keijiro; Sakka, Yoshio
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Distribution of carbon contamination in MgAl2O4 spinel occurring during spark-plasma-sintering (SPS) processing: I Effect of heating rate and post annealing
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
IF
6.2
2018-06-01
46
PRE
AI
Morita, Koji; Kim, Byung-Nam; Yoshida, Hidehiro; Hiraga, Keijiro; Sakka, Yoshio
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Transparent ultrafine Yb3+:Y2O3 laser ceramics fabricated by spark plasma sintering
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
IF
3.8
2017-09-26
38
PRE
AI
Furuse, Hiroaki; Nakasawa, Shunsuke; Yoshida, Hidehiro; Morita, Koji; Suzuki, Tohru S.; Kim, Byung-Nam; Sakka, Yoshio; Hiraga, Keijiro
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Influence of pre- and post-annealing on discoloration of MgAl2O4 spinel fabricated by spark-plasma-sintering (SPS)
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
IF
6.2
2016-09-01
47
PRE
AI
Morita, Koji; Kim, Byung-Nam; Yoshida, Hidehiro; Hiraga, Keijiro; Sakka, Yoshio
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High-strain-rate superplasticity in oxide ceramics
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
IF
6.9
2016-01-12
40
OA
AI
Hiraga, Keijiro; Kim, Byung-Nam; Morita, Koji; Yoshida, Hidehiro; Suzuki, Tohru S.; Sakka, Yoshio
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Nano Ceramics Center, National Institute for Materials Science - Preface
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
IF
6.9
2016-01-12
3
OA
AI
Sakka, Yoshio; Hiraga, Keijiro; Tanaka, Hidehiko; Hirosaki, Naoto; Ishigaki, Takamasa; Inoue, Satoru
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Spectroscopic study of the discoloration of transparent MgAl2O4 spinel fabricated by spark-plasma-sintering (SPS) processing
ACTA MATERIALIA
IF
9.3
2015-02-01
83
PRE
AI
Morita, Koji; Kim, Byung-Nam; Yoshida, Hidehiro; Hiraga, Keijiro; Sakka, Yoshio
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Influence of Spark Plasma Sintering (SPS) Conditions on Transmission of MgAl2O4 Spinel
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
IF
3.8
2014-11-06
42
PRE
AI
Morita, Koji; Kim, Byung-Nam; Yoshida, Hidehiro; Hiraga, Keijiro; Sakka, Yoshio
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Dynamic grain growth during low-temperature spark plasma sintering of alumina
SCRIPTA MATERIALIA
IF
5.6
2014-06-01
35
PRE
AI
Kim, Byung-Nam; Hiraga, Keijiro; Morita, Koji; Yoshida, Hidehiro; Park, Young-Jo; Sakka, Yoshio
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Grain-boundary sliding model of pore shrinkage in late intermediate sintering stage under hydrostatic pressure
ACTA MATERIALIA
IF
9.3
2013-10-01
10
PRE
AI
Kim, Byung-Nam; Hiraga, Keijiro; Morita, Koji; Yoshida, Hidehiro; Sakka, Yoshio; Park, Young-Jo
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Non-rare earth white emission phosphor: Ti-doped MgAl2O4
APPLIED PHYSICS LETTERS
IF
3.6
2013-01-22
36
PRE
AI
Lim, J. H.; Kim, B. N.; Kim, Y.; Kang, S.; Xie, R. J.; Chong, I. S.; Morita, K.; Yoshida, H.; Hiraga, K.
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Effect of loading schedule on densification of MgAl2O4 spinel during spark plasma sintering (SPS) processing
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
IF
6.2
2012-08-01
38
PRE
AI
Morita, Koji; Kim, Byung-Nam; Yoshida, Hidehiro; Zhang, Haibin; Hiraga, Keijiro; Sakka, Yoshio
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Fabrication of Transparent Yttria by High-Pressure Spark Plasma Sintering
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
IF
3.8
2011-08-31
74
PRE
AI
Zhang, Haibin; Kim, Byung-Nam; Morita, Koji; Yoshida, Hidehiro; Hiraga, Keijiro; Sakka, Yoshio
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Complex precipitates with long periodic stacking (LPS) phase and precipitation behaviors in the Mg97Zn1Y1.5Nd0.5 alloy by age-annealing
INTERMETALLICS
IF
4.8
2011-08-01
10
PRE
AI
Lee, J. B.; Sato, K.; Konno, T. J.; Hiraga, K.
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Highly Infrared Transparent Nanometric Tetragonal Zirconia Prepared by High-Pressure Spark Plasma Sintering
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
IF
3.8
2011-06-24
28
OA
AI
Zhang, Haibin; Li, Zhipeng; Kim, Byung-Nam; Morita, Koji; Yoshida, Hidehiro; Hiraga, Keijiro; Sakka, Yoshio
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Diffusive model of pore shrinkage in final-stage sintering under hydrostatic pressure
ACTA MATERIALIA
IF
9.3
2011-06-01
11
PRE
AI
Kim, B. -N.; Hiraga, K.; Morita, K.; Yoshida, H.; Zhang, H.
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Low-Temperature Spark Plasma Sintering of Yttria Ceramics with Ultrafine Grain Size
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
IF
3.8
2011-05-03
50
PRE
AI
Yoshida, Hidehiro; Morita, Koji; Kim, Byung-Nam; Hiraga, Keijiro; Yamanaka, Kohei; Soga, Kohei; Yamamoto, Takahisa
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Optical Properties and Microstructure of Nanocrystalline Cubic Zirconia Prepared by High-Pressure Spark Plasma Sintering
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
IF
3.8
2011-03-31
62
PRE
AI
Zhang, Haibin; Kim, Byung-Nam; Morita, Koji; Yoshida, Hidehiro; Lim, Jae-Hyuk; Hiraga, Keijiro
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Shrinkage of Pores Located at Grain Corners by Grain-Boundary Diffusion
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
IF
3.8
2011-02-10
6
PRE
AI
Kim, Byung-Nam; Hiraga, Keijiro; Morita, Koji; Yoshida, Hidehiro; Zhang, Haibin
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Coesite and stishovite in a shocked lunar meteorite, Asuka-881757, and impact events in lunar surface
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
IF
9.1
2010-12-27
54
OA
AI
Ohtani, E.; Ozawa, S.; Miyahara, M.; Ito, Y.; Mikouchi, T.; Kimura, M.; Arai, T.; Sato, K.; Hiraga, K.
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Research Directions
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Co-authors
Cooperation Journals
A
Akihisa Inoue
H-index: 126 · Papers: 2.5K
J
Jihong Yu
H-index: 100 · Papers: 824
O
Osamu Terasaki
H-index: 98 · Papers: 646
S
Shilun Qiu
H-index: 97 · Papers: 569
Rong-Jun XIE
(Rong‐Jun Xie)
H-index: 92 · Papers: 561
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