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| Investigation on Strain Aging of Boron Containing Low Carbon Steel Wire Rod |
| LI Wenying1，CHEN Weiqing1，YUAN Hui2，LI Yongdong2 |
| 1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China；2. Shougang Technical Research Institute, Beijing 100041, China |
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Abstract The strain aging of boron containing lowcarbon steel wire rods was studied. The results show that adding appropriate boron in lowcarbon steel could slightly reduce the increment of yield strength, which is caused by static strain aging. The increase of tensile strength caused by dynamic strain aging was hardly reduced while ［B］s content was below 0.0029% and ［B］s/［N］<0.4. The increase of tensile strength caused by dynamic strain aging could be decreased obviously when ［B］s is in range of 0.005% to 0.010% and ［B］s/［N］ ≥1.0，so that the drawing performance of lowcarbon steel wire rods could be improved.
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Received: 01 January 1900
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2006, Vol. 41 