一种高硼定向凝固合金的初熔行为及其对力学性能的影响
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Incipient Melting Behavior and Its Influences on the Mechanical Properties of a Directionally Solidified Ni-Based Superalloy with High Boron Content
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图1. 高硼DZ444合金的典型铸态组织 |
Fig.1. SEM (a~d) and TEM (e, f) images of as-cast microstructures of DZ444 alloy with high boron (specimens of Figs.1a and b were etched by electrolyte A which removes the γ’ precipitates in the matrix , specimens of Figs.1c and d were etched by electrolyte B which removes the γ matrix in the alloy) |
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