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http://dx.doi.org/10.5781/KWJS.2012.30.4.339

Influence of Ni on the Microstructure and Mechanical Properties of HSLA Steel Welds  

Kang, Yong-Joon (Division of Materials Science and Engineering, Hanyang University)
Jang, Ji-Hun (Division of Materials Science and Engineering, Hanyang University)
Park, Sang-Min (Research & Development Dept., Pohang Plant, Hyundai Welding)
Lee, Chang-Hee (Division of Materials Science and Engineering, Hanyang University)
Publication Information
Journal of Welding and Joining / v.30, no.4, 2012 , pp. 49-54 More about this Journal
Abstract
The microstructure and mechanical properties of the high-strength low-alloy steel weld metals with a variation of nickel content were investigated. The weld metals with a variation of nickel content from 2.3 to 3.3 wt% were prepared using Gas Metal Arc Welding process. The amount of acicular ferrite decreased with increasing nickel content; this is accompanied with an increase in the region of bainite and martensite, hence the hardness and tensile strengths were increased with the increase in nickel content, whereas the impact energy was deteriorated.
Keywords
Weld metal; Acicular ferrite; Nickel; Impact toughness;
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Times Cited By KSCI : 2  (Citation Analysis)
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