"Eitaro Maeda,Masao  Takeyama;","Effect of Si in Solution on the Crystal Structure of σ Phase (tP30) in Fe-Cr Binary Alloys","2020 MRS Virtual Spring/Fall Meeting,","2020 MRS Virtual Spring/Fall Meeting,  Fall Abstracts Final Program",,,,"  F.SF07.06.09",2021,Nov.
"前田英太郎,永島涼太,中島広豊,竹山雅夫","Fe-Cr 二元系σ相（tP30）の結晶構造に及ぼす固溶Al, Siの影響","耐熱金属材料第123委員会3月期研究会","耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 62","No. 1","pp. 1-8",2021,Mar.
"前田英太郎,竹山雅夫","Fe-Cr二元系σ相(tP30)へのSi固溶による結晶構造変化","日本鉄鋼協会第180回秋季講演大会","日本鉄鋼協会 材料とプロセス 概要集","日本鉄鋼協会",,,"p. 576",2020,Sept.
"前田英太郎,竹山雅夫","Fe-Cr二元系σ相（tP30）の格子定数に及ぼすSi固溶の影響","日本鉄鋼協会第179回春期講演大会","日本鉄鋼協会第179回春期講演大会アブストラクト","日本鉄鋼協会",,,"p. 50",2020,Mar.