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  5. Experimental study on fracture toughness of OS-F101 415F pipeline steel and its welded joint

Experimental study on fracture toughness of OS-F101 415F pipeline steel and its welded joint

来源 :中国焊接 | 被引量 : 0次 | 上传用户：zldingkai
【摘 要】
：
The fracture toughness of OS-F101 415F pipeline steel and its welded joint had been systematically studied. The present results suggest that OS-F101 415F pipeli
【作 者】
：
Yu Shengfu Yao Fang Li Zhanjie 
【机 构】
：
College of Materials Science and Engineering
【出 处】
：
中国焊接
【发表日期】
：
2004年期
【关键词】
：
pipeline steel fracture toughness welded joint acicular ferrite 
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The fracture toughness of OS-F101 415F pipeline steel and its welded joint had been systematically studied. The present results suggest that OS-F101 415F pipeline steel and its welded joint all have relatively high fracture toughness values at 0 ℃, which are higher than 0.30 mm. The main reason for such results is the over 80% acicular ferrite in their microstructure.
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