Effect of Chemical Composition on Formation Performance of 7050 Alloy Billets
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TG146.2

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    Abstract:

    The casting technology of 7050 alloy bilits is researched. that are used to produce slabs for air materials.Because the composition of 7050 alloy is very complex,the Cu and Zn elements contents are higher and Fe and Si impurity elements contents are controlled lower, at the same time ,the specification and the width-thickness ratio are large ,all of above result the tremendous crack trend when casting and bad casting formation performance . The formation performance of 7050 alloy has been improved and qualified billits are obtained by optimizing the composition of 7050 alloy, including raising Fe/Si ratio and Zn/Mg ratio ,reducing Cu content and adopting the joint refinement with block and silk shaped Al-5Ti-1B.

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段玉波,唐剑,刁文武,牟力强.化学成分对7050合金扁锭成型性能的影响[J].重庆大学学报,2004,27(4):100~102117

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