Effects of Zr-Ti on the microstructure and properties of flux aided backing submerged arc weld metals
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- 作者：Juan Pua ; b ; pu_juan84@163.com" class="auth_mail" title="E-mail the corresponding author ; Sheng fu Yua ; yushengfu2016@163.com" class="auth_mail" title="E-mail the corresponding author ; Yuan yuan Lib ; liyuan2505@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Zr-Ti microalloying ; Flux aided backing submerged arc welding (FAB-SAW) ; Weld metals ; Inclusions ; Acicular ferrite (AF) ; Nucleation mechanism
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：25 January 2017
- 年：2017
- 卷：692
- 期：Complete
- 页码：351-358
- 全文大小：3081 K
文摘
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Adding Zr-Ti powder into FAB-SAW promotes the inclusions and AF.
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Ti-oxides, MnS and ZrO2 induce the nucleation of AF.
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AF proportion increases with the number of inclusions with size less than 2.0 μm.
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FAB weld metal with higher AF proportion presents better mechanical properties.