Fabrication of oxide dispersion strengthened alloys through solid-state reactions between Fe-Al and Fe_2O_3 powders

Sato Katsuhiro; Sekido Nobuaki; Yoshimi Kyosuke

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Fabrication of oxide dispersion strengthened alloys through solid-state reactions between Fe-Al and Fe_2O_3 powders

机译：通过Fe-Al和Fe_2O_3粉末之间的固相反应制备氧化物弥散强化合金

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A novel procedure of ODS alloy fabrication was examined using a model alloy in the Fe-Al-O ternary system. Nano-sized Al oxides were precipitated within the a-Fe matrix through a reaction between Fe-Al and Fe2O3 powders. Two types of oxides, FeAl2O4 and gamma-Al2O3, were found to precipitate during sintering at 1000 degrees C and the subsequent annealing at 800 degrees C. The oxides showed sluggish coarsening at 800 degrees C, which then provided high resistance to coarsening for the alpha-Fe grains. Microstructure observation and Vickers hardness measurement indicated that the homogeneous dispersion of oxides was achieved through the present procedure without ball milling.

机译：在Fe-Al-O三元体系中使用模型合金检查了ODS合金制造的新程序。通过Fe-Al和Fe2O3粉末之间的反应，纳米尺寸的Al氧化物沉淀在a-Fe基体内。发现在1000摄氏度的烧结过程中以及随后在800摄氏度的退火过程中，两种类型的氧化物FeAl2O4和γ-Al2O3会沉淀。这些氧化物在800摄氏度的条件下表现出缓慢的粗化作用，从而为α的粗化提供了较高的抵抗力-铁粒。显微组织观察和维氏硬度测量表明，通过本程序无需球磨就可实现氧化物的均匀分散。

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来源
《Materials Science and Engineering》 |2019年第29期|68-74|共7页
作者
Sato Katsuhiro; Sekido Nobuaki; Yoshimi Kyosuke;
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作者单位

Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan;

Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan;

Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan;

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正文语种 eng
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Oxide-dispersion-strengthened alloy; Iron alloy; Age hardening; Precipitation; Solid oxygen source; Electron microscopy;

机译：氧化物弥散强化合金;铁合金;时效硬化;沉淀;固体氧源;电子显微镜;

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1. Fabrication of oxide dispersion strengthened alloys through solid-state reactions between Fe-Al and Fe_2O_3 powders [J] . Sato Katsuhiro, Sekido Nobuaki, Yoshimi Kyosuke Materials Science and Engineering . 2019,第Apra29期

机译：通过Fe-Al和Fe_2O_3粉末之间的固态反应制备氧化物分散体强化合金
2. Mechanical Alloying and Powder Forging of 18%Cr Oxide Dispersion-Strengthened Steel Produced Using Elemental Powders [J] . Kumar D., Prakash U., Dabhade V. V., Journal of Materials Engineering and Performance . 2019,第1期

机译：使用元素粉末制备18％Cr氧化物分散体加强钢的机械合金和粉末锻造
3. Fabrication of Ta2O5 Dispersion-Strengthened Mo-Si-B Alloy by Powder Metallurgical Method [J] . Byun Jong Min, Choi Won June, Bang Su-Ryong, JOM . 2017,第4期

机译：粉末冶金法制备Ta2O5分散化的MO-Si-B合金制备
4. GAS ATOMIZATION PRECURSOR POWDER APPROACH FOR SIMPLIFIED LARGE-SCALE PRODUCTION OF OXIDE DISPERSION STRENGTHENED (OPS) NI-BASED ALLOYS [C] . J. L. Meyer, I. E. Anderson FAPMI, J. R. Rieken, PowderMet 2011;International conference on powder metallurgy particulate materials . 2011

机译：用于简化大规模生产氧化弥散强化（OPS）镍基合金的气体原子化前体粉末方法
5. Gas atomized precursor alloy powder for oxide dispersion strengthened ferritic stainless steel. [D] . Rieken, Joel Rodney. 2011

机译：用于氧化物弥散强化铁素体不锈钢的气体雾化前驱体合金粉末。
6. Fabrication of Fe-Al nanoparticles by selective oxidation of Fe-Al thin films [O] . Pyungwoo Jang, Seungchan Shin, Chip-Sup Jung, 2013

机译：Fe-Al薄膜的选择性氧化制备Fe-Al纳米颗粒
7. Production of Oxide Dispersion Strengthened Mg-Zn-Y Alloy by Equal Channel Angular Pressing of Mechanically Alloyed Powder [O] . Keng-Liang Ou, Chia-Chun Chen, Chun Chiu 2020

机译：通过机械合金粉末的等通道角压加强氧化物分散体的生产强化Mg-Zn-Y合金
8. SOLID-STATE WELDING PROCESSES FOR AN OXIDE DISPERSION STRENGTHENED NICKEL-CHROMIUM-ALUMINUM ALLOY [R] . Thomas J. Moore 1975

机译：氧化物分散强化镍 - 铬 - 铝合金的固态焊接工艺

Fabrication of oxide dispersion strengthened alloys through solid-state reactions between Fe-Al and Fe_2O_3 powders

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