熔体钛含量对Al-5Ti-B变质2618合金晶粒结构和力学性能的影响

IF 1.3 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING International Journal of Cast Metals Research Pub Date : 2022-11-02 DOI:10.1080/13640461.2023.2177784

Zhe‐ming Zhu, Junxiu Chen, Chang-jun Wu, Ya Liu, Jianhua Wang, X. Su

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摘要

本文研究了熔体钛含量对al - 5ti - b改性合金2618晶粒组织和力学性能的影响。结果表明，当熔体中钛含量为零时，当Al-5Ti-B的加入量为1.5 wt.%时，改性效果最好。当Al-5Ti-B添加量固定在0.5 wt.%时，当熔体钛含量为0.05 wt.%时，改性效果最好。当2618合金的终钛含量为0.1 wt.%时，当熔体钛含量为0.03 wt.%时，用1.4 wt.%的Al-5Ti-B对合金进行改性，改性效果最好。考虑到生产成本和良好的变质效果，2618合金的最佳熔融变质处理工艺为:合金熔体钛含量为0.05 wt.%， Al-5Ti-B含量为0.5 wt.%。

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Effects of melt titanium content on the grain structure and mechanical properties of Al-5Ti-B-modified alloy 2618

ABSTRACT In this study, the effects of melt titanium content on the grain structure and mechanical properties of Al-5Ti-B-modified alloy 2618 were investigated. The results showed that when the titanium content in the melt was zero, the best modification effects were obtained when the amount of Al-5Ti-B added was 1.5 wt.%. When the amount of Al-5Ti-B added was fixed at 0.5 wt.%, the best modification effects were obtained when the melt titanium content was 0.05 wt.%. When the final titanium content of alloy 2618 was fixed at 0.1 wt.%, the best modification effect was obtained when the melt titanium content was fixed at 0.03 wt.% and the alloy was modified with 1.4 wt.% Al-5Ti-B. Considering the production cost and excellent modification effects, the optimal melting and modification treatment process for alloy 2618 are as follows: an alloy melt titanium content of 0.05 wt.% and an alloy modified with 0.5 wt.% Al-5Ti-B.

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来源期刊

International Journal of Cast Metals Research 工程技术-冶金工程

CiteScore

2.70

自引率

7.10%

发文量

审稿时长

7.5 months

期刊介绍： The International Journal of Cast Metals Research is devoted to the dissemination of peer reviewed information on the science and engineering of cast metals, solidification and casting processes. Assured production of high integrity castings requires an integrated approach that optimises casting, mould and gating design; mould materials and binders; alloy composition and microstructure; metal melting, modification and handling; dimensional control; and finishing and post-treatment of the casting. The Journal reports advances in both the fundamental science and materials and production engineering contributing to the successful manufacture of fit for purpose castings.