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Nonequilibrium effects of primary solidification on peritectic reaction and transformation in undercooled peritectic Fe-Ni alloy

机译：初凝固对过冷包晶Fe-Ni合金包晶反应和相变的非平衡作用

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摘要

Applying the glass fluxing method, a peritectic Fe-Ni alloy with a composition of Fe-4.35 at.% Ni was undercooled. It was found that when the initial melt undercooling (ΔT) is smaller than 130 K, the overall thickness of the peritectic phase formed in peritectic reaction (PR) and peritectic transformation (PT) decreases as AT increases. The nonequilibrium effects of the primary solidification on PR and PT in the undercooled peritectic Fe-Ni alloys were illuminated. With increasing ΔT, since the driving forces for PR and PT change slightly, the decrease of the overall thickness of the peritectic phase formed in PR and PT can be mainly ascribed to the reduced transformation time for PT.
机译：采用玻璃熔剂法，过冷组成为Fe-4.35 at。％Ni的包晶Fe-Ni合金。发现当初始熔体过冷度（ΔT）小于130K时，随着AT的增加，在包晶反应（PR）和包晶转变（PT）中形成的包晶相的总厚度减小。阐明了过冷包晶Fe-Ni合金中初次凝固对PR和PT的非平衡作用。随着ΔT的增加，由于PR和PT的驱动力略有变化，因此PR和PT中形成的包晶相总厚度的减少主要归因于PT转换时间的减少。

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  • 来源
    《Journal of Materials Research》 |2010年第6期|1025-1029|共5页
  • 作者

    Y.Z. Chen; F. Liu; G.C. Yang; Y.H. Zhou;

  • 作者单位

    State Key Laboratory of Solidification Processing, Northwestern Polytechnical University,Xi'an Shaanxi, 710072 People's Republic of China;

    rnState Key Laboratory of Solidification Processing, Northwestern Polytechnical University,Xi'an Shaanxi, 710072 People's Republic of China;

    rnState Key Laboratory of Solidification Processing, Northwestern Polytechnical University,Xi'an Shaanxi, 710072 People's Republic of China;

    rnState Key Laboratory of Solidification Processing, Northwestern Polytechnical University,Xi'an Shaanxi, 710072 People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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