OALib Journal期刊
ISSN: 2333-9721
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Fe-Ni-Co-Ti合金中弥散析出的γ′粒子对马氏体形态的影响
, PP. 46-50
Keywords: FeNiCoTi合金,γ′(Ni_3Ti)粒子,马氏体形态
Abstract:
Fe-Ni-Co-Ti合金中弥散析出的γ′粒子,当直径在20—50nm时,低温下生成的马氏体具有薄片状马氏体特征;由于γ′粒子的钉扎作用,马氏体界面不光滑.当γ′粒子直径小于5nm时,低温下生成具有良好热弹性的薄片状马氏体;当γ′粒子直径大于5nm,出现断续状马氏体,而且随γ′粒子的长大,断续状马氏体变大,数量增多.当γ′粒子直径为10—15nm时,低温下生成透镜状或蝶状马氏体。
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