Effect of Rare Earth Praseodymium on Al-Cu Casting Alloy

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[1]李海丰,张德恩,卢锦德.稀土Pr对Al-Cu铸造铝合金的影响[J].特种铸造及有色合金,2012,32(03):283-285.

Li Haifeng1, Zhang De’en2, Lu Jinde1. Effect of Rare Earth Praseodymium on Al-Cu Casting Alloy. [J]. Special Casting & Nonferrous Alloys 32(3):283-285(2012)
[1]李海丰,张德恩,卢锦德.稀土Pr对Al-Cu铸造铝合金的影响[J].特种铸造及有色合金,2012,32(03):283-285. DOI： 10.15980/j.tzzz.2012.03.034.

Li Haifeng1, Zhang De’en2, Lu Jinde1. Effect of Rare Earth Praseodymium on Al-Cu Casting Alloy. [J]. Special Casting & Nonferrous Alloys 32(3):283-285(2012) DOI： 10.15980/j.tzzz.2012.03.034.

探讨了稀土Pr在Al-Cu系铸造铝合金中的作用。结果表明

稀土Pr在Al-Cu合金中主要存在于晶界处

并形成稀土化合物;同时能有效地细化晶粒、提高析出相的弥散度、改善其断口形貌

从而改变了Al-Cu合金的组织和性能。

The effect of rare earth Pr on a new Al-Cu casting alloy was investigated.The results show that the rare earth Pr mainly exists in grain boundary

forming some rare earth compounds

which can refine the grain size

and improves the dispersivity of the precipitated phase and fracture morphology.Thus

the microstructure and propertie of the alloy are improved.

Al-Cu系合金稀土Pr铸造铝合金

Al-Cu AlloyRare Earth PrCas Aluminum Alloy

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