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Author:

栗卓新 (栗卓新.) | 张天理 (张天理.) | Kim H J (Kim H J.)

Indexed by:

CQVIP CSCD

Abstract:

综述了国内外对于低合金高强钢(HSLA,High Strength Low Alloy)焊缝金属中针状铁素体(AF,Acicular Ferrite)的最新研究进展得出,要想获得较多的AF,主要从3个方面加以有效控制:①合金元素中含0.05%~0.10%C,且C当量小于0.39,合理控制Mn,Ni,Ti,B之间的相互比例,保持硼氮比(B/N)在0.6~0.8之间,铝氧比(Al/O)在0.43~0.73之间,降低N,S,P含量;②夹杂物尺寸为0.5~0.8μm,表面富10~20 nm TiO薄层且呈球形,促使生成更多的第Ⅲ、Ⅳ类夹杂物;③较低热输入(HI,Heat Input)时合金元素烧损较少...

Keyword:

针状铁素体 热输入 低合金高强钢 合金元素 夹杂物

Author Community:

  • [ 1 ] 北京工业大学材料科学与工程学院
  • [ 2 ] 韩国工业技术研究院高级熔焊研究组

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Source :

中国材料进展

Year: 2012

Issue: 01

Volume: 31

Page: 50-55

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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