二段階熱間圧延により伸長した旧オーステナイト粒を有する中Mn鋼の組織と靭性に及ぼす二相域焼鈍の影響
デジタルデータあり（Japan Link Center）
すぐに読む
CiNii Research
全国の図書館の所蔵
国立国会図書館以外の全国の図書館の所蔵状況を表示します。
所蔵のある図書館から取寄せることが可能かなど、資料の利用方法は、ご自身が利用されるお近くの図書館へご相談ください
書誌情報
この資料の詳細や典拠（同じ主題の資料を指すキーワード、著者名）等を確認できます。
- 資料種別
- 記事
- 著者・編者
- 松田 恭輔増村 拓朗土山 聡宏高梨 美咲前田 拓也中村 修一植森 龍治
- 並列タイトル等
- Effect of Intercritical Annealing on Microstructure and Toughness of Medium-Mn Steel with Elongated Prior-austenite Grains Formed via Two-step Hot Rolling Process
- タイトル（掲載誌）
- 鉄と鋼 / 日本鉄鋼協会 編
- 巻号年月日等（掲載誌）
- 111(7・8):2025
- 掲載巻
- 111
- 掲載号
- 7・8
- 掲載ページ
- 391-403
- 掲載年月日（W3CDTF）
- 2025
- ISSN（掲載誌）
- 0021-1575
- ISSN-L（掲載誌）
- 0021-1575
- 出版事項（掲載誌）
- 東京 : 日本鉄鋼協会
- 出版地（国名コード）
- JP
- 本文の言語コード
- jpn
- 件名標目
- NDLC
- 対象利用者
- 一般
- 所蔵機関
- 国立国会図書館
- 請求記号
- Z17-356
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- 書誌ID（NDLBibID）
- 034204365
- 整理区分コード
- 632
- 要約等
- <p>Fe–9 mass%Ni alloy is widely used as a cryogenic steel owing to its excellent low-temperature strength and toughness. However, Ni is an expensive element, with medium-Mn steel considered an inexpensive alternative. Considering the Fe–10%Mn–0.1%C alloy is brittle at low temperatures, the application of intercritical annealing with two-step hot rolling could lead to toughening. Herein, the effect of intercritical annealing on the toughness of a Fe–10%Mn–0.1%C alloy with elongated prior-austenite grains (PAGs) formed via a two-step hot-rolling process was investigated. Intercritical annealing was performed on the specimens with and without two-step hot rolling. For both specimens, intercritical annealing resulted in softening of α’-martensite and an increase in the amount of retained austenite. In the specimen not subjected to the two-step hot rolling process, the fracture morphology transitioned from ductile to intergranular with a decrease in the temperature. Intercritical annealing improved the toughness when ductile fracture occurred. In the case of intergranular fracture, the effect of intercritical annealing on the toughness was negligible. In the two-step hot-rolled specimen with elongated PAGs, the fracture morphology transitioned from ductile to separation fracture with ductile fracture, and intercritical annealing improved the toughness at all temperature ranges. The improvement in toughness during separation fracture is attributed to the expansion of the plastic zone owing to ductile crack progression and the formation of sub-cracks, which promote the strain-induced transformation of retained austenite and ε-martensite.</p>
- DOI
- 10.2355/tetsutohagane.tetsu-2025-012
- オンライン閲覧公開範囲
- インターネット公開
- 関連情報（URI）
- 参照
- The effects of prior austenite grain boundaries and microstructural morphology on the impact toughness of intercritically annealed medium Mn steelEffect of retained austenite on impact toughness and fracture behavior of medium carbon submicron-structured bainitic steelEffects of different intercritical annealing processes on microstructure and cryogenic toughness of newly designed medium-Mn and low-Ni steelIn Situ Observation of Bainite Transformation and Simultaneous Carbon Enrichment in Austenite in Low-Alloyed TRIP Steel Using Time-of-Flight Neutron Diffraction TechniquesToughening mechanism in 5%Mn and 10%Mn martensitic steels treated by thermo-mechanical control processThe stability of precipitated austenite and the toughness of 9Ni steelAustenite stability and its effect on the toughness of a high strength ultra-low carbon medium manganese steel plateOrigin of intergranular fracture in martensitic 8Mn steel at cryogenic temperaturesInverse Temperature Dependence of Toughness in an Ultrafine Grain-Structure SteelMicrostructural dependence of Fe-high Mn tensile behaviorCriterion for the action of applied stress in the martensitic transformationImprovement in low-temperature toughness of Fe-6.5Mn-0.08C Medium-Mn steel by multi-step heat treatmentFormation of core-shell type structure in Duplex Martensitic SteelWeld metal impact toughness of electron beam welded 9% Ni steelMAUD Rietveld Refinement Software for Neutron Diffraction Texture Studies of Single- and Dual-Phase MaterialsEnsuring combination of strength, ductility and toughness in medium-manganese steel through optimization of nano-scale metastable austeniteMicrostructural and Mechanical Properties of 9%Ni Steels Used for the Construction of LNG Storage TanksEffect of retained austenite on austenite memory of a 13% Cr–5% Ni martensitic steelThe improvement of cryogenic mechanical properties of Fe-12 Mn and Fe-8 Mn alloy steels through thermal/mechanical treatmentsDelamination Effect on Impact Properties of Ultrafine-Grained Low-Carbon Steel Processed by Warm Caliber RollingMechanical stability of retained austenite in tempered 9Ni steelAusforming of medium carbon steelMaking ultrastrong steel tough by grain-boundary delaminationImpact Toughness of Medium‐Mn Transformation‐Induced Plasticity‐Aided SteelsGrain boundary segregation engineering and austenite reversion turn embrittlement into toughness: Example of a 9 wt.% medium Mn steelMapping the parent austenite orientation reconstructed from the orientation of martensite by EBSD and its application to ausformed martensiteフェライト鋼へのNi添加に伴う転位易動度の変化と脆性‐延性遷移挙動6%Ni鋼の低温靱性に及ぼすα-γ2相共存域熱処理の影響6%Mn鋼の低温靱性Effect of Prior Deformation of Austenite on the γ→ε Martensitic Transformation in Fe–Mn AlloysEffect of Repeated Tempering on Hardness and Retained Austenite of High Chromium Cast Iron Containing MolybdenumFe-Mn合金の機械的性質と破壊挙動Influence of Retained Austenite on the Mechanical Properties of Low Carbon Martensitic Stainless Steel Castingsその場中性子回折による複相マルテンサイト組織を有する中Mn鋼の逆変態挙動の解析Microstructural and kinetic studies of reverse transformation in low-carbon low-alloy steel
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- Japan Link Center雑誌記事索引データベースCrossref科学研究費助成事業データベース
- 書誌ID（NDLBibID）
- 034204365