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兩種鐵基形狀記憶合金抗空蝕性能比較
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TG172.9 TK730.5

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國(guó)家自然科學(xué)基金重點(diǎn)項(xiàng)目(59831030)，國(guó)家重點(diǎn)基礎(chǔ)研究專項(xiàng)經(jīng)費(fèi)資助項(xiàng)目(G19990650)


A Comparison of the Cavitation Erosion Resistance of Two Fe-Based Shape Memory Alloys
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    摘要:

    對(duì)Fe-26Mn-6Si-7Cr-1Cu和Fe-20Mn-6Si-7Cr-1Cu兩種Fe基形狀記憶合金進(jìn)行了超聲波振動(dòng)空蝕試驗(yàn)，結(jié)果表明，兩種合金都具有優(yōu)良的抗空蝕性能，比較而言，F(xiàn)e-26Mn-6Si-7Cr-1Cu合金的抗空蝕性能優(yōu)于Fe-20Mn-6Si-7Cr-1Cu合金。在局部載荷作用下可吸收較多彈性變形能及在空蝕過(guò)程中有較高應(yīng)變誘發(fā)馬氏體相變能是前者抗空蝕性能優(yōu)于后者的主要原因。

    Abstract:

    Cavitation erosions of Fe-26Mn-6Si-7Cr-1Cu and Fe-20Mn-6Si-7Cr-1Cu shape memory alloys were investigated by using an ultrasonic vibratory apparatus. It is showed that both alloys have good cavitation erosion resistance. Fe-26Mn-6Si-7Cr-1Cu alloy is more resistant to cavitation erosion than Fe-20Mn-6Si-7Cr-1Cu alloy, which is mainly attributed to the higher strain-induced martensitic transformation energy and elastic deformation energy under a localized load.

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龍霓東 朱金華.兩種鐵基形狀記憶合金抗空蝕性能比較[J].稀有金屬材料與工程,2004,33(8):852~854.[Long Nidong, Zhu Jinhua. A Comparison of the Cavitation Erosion Resistance of Two Fe-Based Shape Memory Alloys[J]. Rare Metal Materials and Engineering,2004,33(8):852~854.]
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  • 最后修改日期:2003-01-02
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