"Nguyenha,Ram Song,Kazuho Otsuka,Yohei Harada,Shinji Muraishi,SHINJI KUMAI","Mechanical properties of high manganese-containing 3xxx aluminum alloy sheets fabricated from high-speed twin-roll cast strips","（一社）軽金属学会 第135回秋期大会","講演概要集",,,,"pp. 497-498",2018,Nov.
"Ram Song,Kazuho Otsuka,Yohei Harada,Shinji Kumai","Influence of Cooling Rates on Microstructure and Mn Supersaturation in High-Speed Twin-Roll Cast Al-Mn Based Alloy Strips","The 16th International Conference on Aluminum Alloys","Proceedings of 2018ICAA16",,,,,2018,June
"大塚一帆,原田陽平,村石信二,熊井真次","縦型高速双ロールキャスト材より作製したAl-1?4mass%Mn合金板の機械的特性","（一社）軽金属学会 第134回春期大会","講演概要集",,,,"pp. 307-308",2018,May
"K. Otsuka,Y. Harada,S. Muraishi,S. Kumai","Solidification process of Al-Mn alloy strips produced by high-speed twin-roll casting","AFC14 (The 14th Asian Foundry Congress)",,,,,,2017,Nov.
"大塚一帆,原田陽平,村石信二,熊井真次","縦型高速双ロールキャスト材より作製したAl-1?4wt%Mn合金板の再結晶挙動","（一社）軽金属学会 第133回秋期大会","講演概要集",,,,"pp. 329-330",2017,Nov.
"大塚一帆,原田陽平,村石信二,熊井真次","縦型高速双ロールキャスト法により急冷凝固したAl-1?4wt%Mn合金板のミクロ組織とMn固溶度","（一社）軽金属学会 第131回秋期大会","講演概要集",,,,"pp. 51-52",2016,Nov.
"大塚一帆,原田陽平,村石信二,熊井真次","縦型高速双ロールキャスト法により急冷凝固したAl-Mn合金板の凝固過程","（公社）日本鋳造工学会 第168回全国講演大会","講演概要集",,,,"p. 21",2016,Sept.
"R. Song,K. Otsuka,Y. Harada,S. Muraishi,S. Kumai","Microstructural characterization in high-speed twin roll cast Al-Mn based alloys strip","YFE6 (The 6th Korea-Japan Conference for Young Foundry Engineers)","Proceedings of YFE6 (The 6th Korea-Japan Conference for Young Foundry Engineers)",,,,"pp. 112-115",2016,Aug.