メカニカルアロイング法によるFe-Cr合金の合成とその固化成形 Synthesis of Fe-Cr Alloys by Mechanical Alloying and its Consolidation

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Fe<SUB>32</SUB>Cr<SUB>68</SUB>, Fe<SUB>42</SUB>Cr<SUB>58</SUB>, Fe<SUB>52</SUB>Cr<SUB>48</SUB>, Fe<SUB>62</SUB>Cr<SUB>38</SUB> and Fe<SUB>72</SUB>Cr<SUB>28</SUB> were synthesized by mechanical alloying (MA) of Fe powder and Cr powder using a planetary ball milling for 180ks in 1.33kPa argon gas atmosphere. In particular, the influence of milling time on structural phase of Fe<SUB>52</SUB>Cr<SUB>48</SUB> has been studied. Because according to the phase diagram, a phase is expected to form on the composition of Fe<SUB>52</SUB>Cr<SUB>48</SUB>. As the Cr content of MA powder increased, the time for homogenization by MA became longer.<BR>These MA powders were compacted by Spark Plasma Sintering (SPS) process. Mechanical alloyed Fe<SUB>52</SUB>Cr<SUB>48</SUB> was rapidly shrunk at above 800K and completely condensed above 1073K. Fe<SUB>52</SUB>Cr<SUB>48</SUB> which compacted by SPS at 1073K had no pore and its density was 7.46g/cm<SUB>3</SUB>.<BR>Fe-Cr alloy prepared by this process contained no σ-phase.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 44(6), 560-564, 1997-06-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002014067
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4228295
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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