軽金属

第 73 巻 1 号

2023 年 1 月

年頭の辞

新年のご挨拶
熊井座談会

三菱重工業株式会社・軽金属学会

真次（1）

トップ座談会「宇宙産業のものづくり技術と軽金属の可能性」
（2）

研究論文

断熱鋳型式連続鋳造法で作製した鍛造用 Al-Si 系合金の組織と高温強度に及ぼす銅濃度の影響
菅谷 直也・土肥 正芳・李 昇原・土屋 大樹・松田 健二（9）3104 アルミニウム合金板の絞り成形時の耳形成に及ぼす Si 量の影響
井上 祐志・山口 正浩（17）MA-SPS プロセスで創製した Mg-Al 合金の硬さ
田中 拓海・久保田 正広（24）2 つの発泡したポーラスアルミニウムの発泡直後のローラー成形による接合

鈴木

共同刊行誌 “Materials Transactions Vol. 64, No. 1” 掲載論文要旨

滉大・半谷禎彦・天谷賢児（31）Review―Importance of Atmospheric Gas Selection in Metal Additive Manufacturing: Effects on Spatter, Microstructure, andMechanical Properties
Hiroki Amano, Takuya Ishimoto and Takayoshi Nakano（36）Review―Microstructural Control and Functional Enhancement of Light Metal Materials via Metal Additive Manufacturing
Takuya Ishimoto and Takayoshi Nakano（36）Residual Stress and Phase Stability of Titanium Alloys Fabricated by Laser and Electron Beam Powder Bed Fusion Techniques
Aya Takase（37）Review―Metal Additive Manufacturing of Titanium Alloys for Control of Hard Tissue Compatibility
Aira Matsugaki, Tadaaki Matsuzaka and Takayoshi Nakano（37）Review―Research and Development of Titanium-Containing Biomedical High Entropy Alloys (BioHEAs) Utilizing RapidSolidification via Laser-Powder Bed Fusion
Ryosuke Ozasa, Aira Matsugaki, Takuya Ishimoto and Takayoshi Nakano（38）Raking Process for Powder Bed Fusion of Ti-6Al-4V Alloy Powder Analyzed by Discrete Element Method
Masayuki Okugawa, Yusuke Isono, Yuichiro Koizumi and Takayoshi Nakano（38）Influence of Input Energy Density on Morphology of Unique Layered Microstructure of γ-TiAl Alloys Fabricated by Electron
Beam Powder Bed Fusion
Ken Cho, Naohide Morita, Hiromasa Matsuoka, Hiroyuki Y. Yasuda, Mitsuharu Todai, Minoru Ueda,
Masao Takeyama and Takayoshi Nakano（39）Evaluation of Liquid/Solid Interfacial Property for Ti-6 mass%Al-4 mass%V Alloy Using Electron-Beam Additive
Manufacturing
Masashi Nakamoto and Toshihiro Tanaka（39）Microstructures and Mechanical Properties of Carbon-Added Ti Composites Fabricated by Laser Powder Bed Fusion or Spark
Plasma Sintering
Mingqi Dong, Weiwei Zhou, Zhenxing Zhou and Naoyuki Nomura（40）Effect of Process Parameters on the Microstructure and High-Temperature Strengths of Titanium Aluminide Alloy Fabricatedby Electron Beam Melting
Kazuhiro Gokan, Yudai Yamagishi, Kazuhiro Mizuta and Koji Kakehi（40）連載講座

最新の分析機器・加工装置の特徴と可能性 5

X 線回折および X 線小角散乱を用いたアルミニウム合金の複合的評価
河野 研二・北原 周・三宅 綾・佐藤 和史・森 篤（41）

随想

座右の銘−青春とは，心の若さである−
チーズをついに見つけた⁉〜「チタンはどこへ消えた？」私の一枚（2017）その後〜

高橋知司（46）

渡辺義見（48）

成田麻未（49）

田中宏樹（49）

小林郁夫（50）

愛須優輝（53）

大島智子（54）

成田麻未（55）

正昭・向井敏司（56）土屋大樹（57）

山本卓也（58）

ダイバーシティリレーエッセイ〜様々なひとの多様な視点〜
ダイバーシティについて考える
まわるまわる，5 回対称学会便り

第 143 回秋期大会後記

ハイブリッド方式の導入について

第 43 回「若手の会」および「若手育成のための合同会合」
第 33 回「女性会員の会」報告
第 7 回男女共同参画セッション「キャリア形成〜継続により開ける未来」
国際連携を見据えたマグネシウム・チタン若手研究会
萩原

支部便り

北陸支部

幸司・仲井

秋期講演会中堅企業支援セミナー開催報告

令和 4 年度軽金属学会東北支部講演会「最新の塑性加工における軽金属の技術動向」開催報告

会告...............................................................（ i ）行事カレンダー...........................................（ xiv ）協賛行事.......................................................（ xiv ）学会日誌.......................................................（ xv ）編集後記.......................................................（ xvi ）特別維持会員・維持会員名簿...................（ 巻末 ）

JOURNAL OF THE JAPAN INSTITUTE OF LIGHT METALS
Vol. 73, No. 1 January, 2023
OPENING ADDRESSJILM SUMMITShinji KUMAI（1）Mitsubishi Heavy Industries / JILM Summit: Production Technologies and Potential of Light Metals in Space Industry

RESEARCH ARTICLE（2）

Effect of Cu concentration on high-temperature mechanical properties and microstructures of Al-Si alloy for forging fabricatedby continuous casting process with the heat-insulating-moldNaoya SUGATANI, Masayoshi DOHI, Seungwon LEE, Taiki TSUCHIYA and Kenji MATSUDA（9）Effect of Si content on earing behavior in deep drawing of 3104 aluminum alloy sheets
Yuji INOUE and Masahiro YAMAGUCHI（17）Hardness of Mg-Al alloy fabricated by MA-SPS process
Takumi TANAKA and Masahiro KUBOTA（24）Joining of two foamed porous aluminum by roll forming immediately after foaming
Kodai SUZUKI, Yoshihiko HANGAI and Kenji AMAGAI（31）Published papers in Materials Transactions via JILM

Review―Importance of Atmospheric Gas Selection in Metal Additive Manufacturing: Effects on Spatter, Microstructure, andMechanical Properties
Hiroki Amano, Takuya Ishimoto and Takayoshi Nakano（36）Review―Microstructural Control and Functional Enhancement of Light Metal Materials via Metal Additive Manufacturing
Takuya Ishimoto and Takayoshi Nakano（36）Residual Stress and Phase Stability of Titanium Alloys Fabricated by Laser and Electron Beam Powder Bed Fusion Techniques
Aya Takase（37）Review―Metal Additive Manufacturing of Titanium Alloys for Control of Hard Tissue Compatibility
Aira Matsugaki, Tadaaki Matsuzaka and Takayoshi Nakano（37）Review―Research and Development of Titanium-Containing Biomedical High Entropy Alloys (BioHEAs) Utilizing Rapid
Solidiﬁcation via Laser-Powder Bed Fusion
Ryosuke Ozasa, Aira Matsugaki, Takuya Ishimoto and Takayoshi Nakano（38）Raking Process for Powder Bed Fusion of Ti-6Al-4V Alloy Powder Analyzed by Discrete Element Method
Masayuki Okugawa, Yusuke Isono, Yuichiro Koizumi and Takayoshi Nakano（38）Inﬂuence of Input Energy Density on Morphology of Unique Layered Microstructure of γ-TiAl Alloys Fabricated by Electron
Beam Powder Bed Fusion
Ken Cho, Naohide Morita, Hiromasa Matsuoka, Hiroyuki Y. Yasuda, Mitsuharu Todai, Minoru Ueda,
Masao Takeyama and Takayoshi Nakano（39）Evaluation of Liquid/Solid Interfacial Property for Ti-6 mass%Al-4 mass%V Alloy Using Electron-Beam Additive
Manufacturing
Masashi Nakamoto and Toshihiro Tanaka（39）Microstructures and Mechanical Properties of Carbon-Added Ti Composites Fabricated by Laser Powder Bed Fusion or Spark
Plasma Sintering
Mingqi Dong, Weiwei Zhou, Zhenxing Zhou and Naoyuki Nomura（40）Effect of Process Parameters on the Microstructure and High-Temperature Strengths of Titanium Aluminide Alloy Fabricatedby Electron Beam Melting
Kazuhiro Gokan, Yudai Yamagishi, Kazuhiro Mizuta and Koji Kakehi（40）LECTURE

Combined evaluation of aluminum alloys using X-ray diffraction and small angle X-ray scattering
Kenji KONO, Amane KITAHARA, Aya MIYAKE, Kazufumi SATO, Atsushi MORI（41）ESSAY AND LETTERS

Motto−Youth is not a time of life; it is a state of mind−
At Last, I Found My Chitan !?

ESSAYS ON DIVERSITY
Think about “Diversity”

Five-fold symmetry goes around and around

Tomoshi TAKAHASHI（46）
Yoshimi WATANABE（48）Mami MIHARA-NARITA（49）
Hiroki TANAKA（49）JILM ACTIVITY

Report of the 143rd Conference of the Japan Institute of Light Metals Realization of hybrid sessions at JILM conference
Equo KOBAYASHI（50）
Meeting report on “the 43rd Youth meeting” and “Associated meeting for youth development”
Yuki AISU（53）The 33rd womenʼs meeting of the Japan Institute of Light Metals
Tomoko OHSHIMA（54）The 7th Gender equality session “Career development〜Open the way to the future by continuous effort”
Mami MIHARA-NARITA（55）
Launch of Magnesium and Titanium Research Group for Young Researchers with an Eye on International Collaboration
Koji HAGIHARA, Masaaki NAKAI and Toshiji MUKAI（56）FROM BRANCH ACTIVITY

A report of seminar on supporting for small and medium enterprise by Hokuriku branch, Japan Institute of Light Metals(Autumn annual meeting of Hokuriku branch, 2022)
Taiki TSUCHIYA（57）
Report on the 2022 lecture meeting held by Tohoku branch, The Japan Institute of Light Metals
Takuya YAMAMOTO（58）

Editorial Committee（Chairperson）Shoichi HIROSAWA （Vice-chairperson）Yasumasa CHINO
Yoshihiro NAKAYAMA（Director in change）Ryoichi ICHINO（Key editors）
Kohei KUBO
Takashi KUBO
Takeo SAKURAI
Naoki TAKATA
Yosuke TAMURA
Daisuke NAGASAWA
Yasunori HYOGO
Keitaro HORIKAWA
Tsutomu MORI（Editors）
Ichiro AOI
Hidetaka ASOH
Hiroki ADACHI
Shinji ANDO
Ken-ichi IKEDA
Takaomi ITOI
Tsutomu ITO
Kentaro IHARATokuteru UESUGIHiroshi OKUDA
Tomo OGURA
Tomomichi OZAKI
Naoki OMURA
Keizo KASHIHARA
Tatsuya KIKUCHI
Takashi KUBOKIYuji KUME
Equo KOBAYASHI
Sengo KOBAYASHI
Masakazu KOBAYASHI
Yoshiki KOMIYA
Masahiro SAKAI
Kazunori SHIMIZU
Ai SERIZAWA
Yorinobu TAKIGAWA
Hideo TAKIZAWA
Eiji TADA
Daisuke TERADA
Yoshihiro TERADA
Masafumi NODA
Naoyuki NOMURATomohiko HOJO
Noritaka HORIKAWA
Yoshihiko HANGAI
Hiroaki MATSUMOTO
Yukio MIYASHITA
Hiroyuki YAMADA
Takuya YAMAMOTO
Tokujiro YAMAMOTO
Hiroyuki WATANABE