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综述了低合金高强钢焊接时针状铁素体的形成机理,重点探讨了影响针状铁素体形核的因素:夹杂物、焊接热输入等。分析指出了目前研究工作中的不足和发展方向。
The formation mechanism of acicular ferrite during the welding of low alloy high strength steel is reviewed. The factors affecting the nucleation of acicular ferrite are discussed emphatically: inclusions, welding heat input and so on. Analysis pointed out the current research deficiencies and development.