一関高専 機械工学科 村上研究室

 

【教員氏名】     

村上 明(ムラカミ アキラ)

 

【所属・職名】    

機械工学科・准教授

 

【学 位】       

博士(工学)

 

【略 歴】       

19943月 宮城県気仙沼高等学校卒業

19983月 岩手大学工学部機械工学科卒業

20003月 岩手大学大学院工学研究科博士前期課程機械工学専攻修了

20033月 岩手大学大学院工学研究科博士後期課程生産開発工学専攻修了

20034月 弘前大学理工学部助手

20074月 弘前大学大学院理工学研究科助教

20114月 一関工業高等専門学校講師

20134月 一関工業高等専門学校准教授

 

【研究内容】

材料の強度や破壊に関する研究を行っています(詳しくはこちら.).

 

【最近の論文】

1)    Preparation and properties of high-quality melt growth Gd123 bulks with low void density - Flexural strength at 77 K -, H. Fujimoto and A. Murakami, IEEE Transactions on Applied Superconductivity, Vol.21 (2011) pp.2718-2722.

2)    Mechanical properties of Dy123 low porosity bulk superconductors at liquid nitrogen temperature, A. Murakami, K. Otaka, T. Miura and A. Iwamoto, IEEE Transactions on Applied Superconductivity, Vol.21 (2011) pp.3107-3110.

3)    Fracture toughness of Dy123 low porosity bulks at liquid nitrogen temperature, A. Murakami, K. Otaka, T. Miura and A. Iwamoto, Physica C, Vol.471 (2011) pp.884-888.

4)    Gd123超電導体の液体窒素温度での静的負荷による応力−ひずみ挙動, 藤本浩之, 村上明, 手嶋英一, 森田充, 低温工学, Vol.46 (2011) pp.239-245.

5)    Fracture strength properties of Gd-Ba-Cu-O large single-grain bulk with CeO2 addition, A. Murakami, H. Fujimoto and A. Iwamoto, Physics Procedia, Vol.27 (2012) pp.160-163.

6)    Mechanical properties of Gd123 superconducting bulks at 77 K, H. Fujimoto and A. Murakami, Superconductor Science and Technology, Vol.25 (2012) 054017.

7)    Fracture toughness properties of Gd123 superconducting bulks, H. Fujimoto and A. Murakami, Physics Procedia, Vol.36 (2012) pp.458-462.

8)    Effects of Pt content on mechanical properties of Dy123 bulks, A. Murakami, K. Otaka, T. Miura and A. Iwamoto, Physics Procedia, Vol.36 (2012) pp.551-556.

9)    Field trapping property of HTS bulk magnet with reduced voids in pulsed field magnetizing process, T. Oka, H. Seki, D. Ishiduka, J. Ogawa, S. Fukui, T. Sato, K. Yokoyama and A. Murakami, Journal of Physics: Conference Series, Vol.400 (2012) 022089.

10) Low temperature mechanical properties of RE-Ba-Cu-O large single-grain bulk 150 mm in diameter, A. Murakami, H. Fujimoto and A. Iwamoto, IEEE Transactions on Applied Superconductivity, in press.

 

【国際会議での主な発表】

1)    Distribution of mechanical properties in a single-grain Sm123 bulk superconductor at liquid nitrogen temperature, A. Murakami, K. Katagiri, H. Miyata, K. Kasaba and Y. Shoji, 19th International Conference on Magnet Technology, Genoa Italy.

2)    Effects of Dy211 content on bending mechanical properties of Dy123 bulks at room temperature, A. Murakami, H. Miyata, R. Hashimoto and K. Katagiri, 2006 Applied Superconductivity Conference, Seattle USA.

3)    Fracture toughness of a low porosity Dy123 bulk melt-processed in pure oxygen, A. Murakami, H. Miyata, R. Hashimoto and K. Katagiri, 8th European Conference on Applied Superconductivity, Brussels Belgium.

4)    Evaluations of mechanical properties in Dy123 single-grain bulk superconductors with low porosity, A. Murakami, H. Miyata, R. Hashimoto, K. Katagiri and A. Iwamoto, 2008 Applied Superconductivity Conference, Chicago USA.

5)    Observations on fracture surfaces of Dy123 bulks with various porosities, A. Murakami, K. Otaka and A. Iwamoto, 9th European Conference on Applied Superconductivity, Dresden Germany.

6)    Mechanical properties of Dy123 low porosity bulk superconductor at liquid nitrogen temperature, A. Murakami, K. Otaka, T. Miura and A. Iwamoto, 2010 Applied Superconductivity Conference, Washington D.C. USA.

7)    Effects of Pt content on mechanical properties of Dy123 bulks, A. Murakami, K. Otaka, T. Miura and A. Iwamoto, Superconductivity Centennial Conference, The Hague Netherlands.

8)    Low temperature mechanical properties of Gd-Ba-Cu-O large single-grain bulk of 150 mm diameter, A. Murakami, H. Fujimoto and A. Iwamoto, 2012 Applied Superconductivity Conference, Portland USA.

9)    Distribution of mechanical properties in large single-grain RE-Ba-Cu-O bulk 150 mm in diameter fabricated using RE compositional gradient technique, A. Murakami, H. Teshima, M. Morita and A. Iwamoto, 8th International Workshop on Processing and Applications of Superconducting (RE)BCO Large Grain Materials, Tainan Taiwan.