格子変態硬化を利用したAl-ステンレス鋼複合材料に関する研究

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タイトル別名
  • A Study of Aluminium-Stainless Steel Composites Strengthened by Lattice Transformation
  • コウシ ヘンタイ コウカ オ リヨウシタ Al ステンレス コウフクゴウ ザイ

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An assessment has been made of the effect of subzero-treatments on the mechanical properties of Al matrix composites reinforced with 1∼3 stainless steel fibers (Vf6.2∼15.7%) fabricated by casting in vacuum. Four kinds of stainless steel fibers which had different Ms points were used as reinforcement. Pullout, tensile, creep and hardness tests were carried out before and after the subzero-treatments. Metallographic examinations were also carried out.<BR>The results indicate that the tensile and creep strength in some specimens in which fiber transformation occurred by the subzero-treatments show a higher value than that expected by the so-called rule of mixture. This may be attributable to the defect-free interface produced by the hydrostatic compressive stress as a result of martensitic trans-formation in fibers. The stress estimated from elasticity and plasticity is large enough to produce such an effect.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 43 (2), 111-117, 1979

    公益社団法人 日本金属学会

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