Study on the grain size of LZW axletree steel used for railroad vehicle

被引：0
|
作者：
Li, Xuefeng [1 ]
Wang, Yuling [1 ]
机构：
[1] Taiyuan Iron and steel (Group) Co., Taiyuan 030003, China
来源：
Kang T'ieh/Iron and Steel (Peking) | 2001年 / 36卷 / 08期
关键词：
Alloying - Axles - Grain size and shape - Steel;
D O I：
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中图分类号：
学科分类号：
摘要：
The effects of microalloying element Al, V and N on the grain size of LZW axletree steel were investigated. The results indicate that the proper range of acid-soluble Al content should be controlled to satisfy the grain size requirement. The addition of microalloying V into steel refines grain and increases grain coarsening temperature. Treatment in high-vacuum condition for long time is harmful to the grain size of LZW axletree steel melted with LD.
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页码：36 / 38
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