Fe-15Cr-Nb-V-C 系過共晶合金の機械的特性

書誌事項

タイトル別名
  • Mechanical Property of Fe-15Cr-Nb-V-C Hyper-eutectic Alloy
  • Fe 15Cr Nb V Cケイ カキョウショウ ゴウキン ノ キカイテキ トクセイ

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抄録

  Characteristics of heat treatment, abrasion wear resistance, and bending strength were investigated on hyper Cr-Nb-V cast irons containing 3.2∼4.5 mass%C, 15 mass%Cr, 0∼10 mass%Nb, and 0∼10 mass%V. Each specimen (10mm×10mm×10mm) was austenitized at 1073K∼1473K for one hour and then cooled in air. The austenitizing temperature for maximizing quench-hardness (Hmax), depended on the chemical composition of the specimen. Specimens with Hmax were tempered at 473K for one hour and then air cooled. These specimens were subjected to rubber wheel abrasion test, Suga abrasion test, and bend test. Discontinuous primary MC improved abrasion wear resistance without deterioration in strength. On the other hand, coarse M7C3 remarkably lowered the strength. The properties of these hyper alloys were also compared with conventional high Cr cast iron.

収録刊行物

  • 鋳造工学

    鋳造工学 75 (7), 459-466, 2003

    公益社団法人 日本鋳造工学会

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