| 45钢棒料冲击功偏低的原因分析 |
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| 引用本文： | 沈奇,李玉忠,潘翠凤,李聪,崔佳. 45钢棒料冲击功偏低的原因分析[J]. 理化检验(物理分册), 2012, 0(9): 625-627 |
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| 作者姓名： | 沈奇 李玉忠 潘翠凤 李聪 崔佳 |
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| 作者单位： | 山钢集团淄博张店钢铁总厂 |
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| 摘 要： | 通过力学性能测试、化学成分分析、金相检验以及表面质量分析对45钢棒料的冲击功偏低的原因进行了分析。结果表明：材料内部夹杂物较严重、热处理工艺不够合理、表面粗糙度不佳是造成冲击功偏低的主要原因。
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| 关 键 词： | 45钢 棒料 夹杂物 热处理 粗糙度 冲击功 |
Cause Analysis on Low Impact Energy of Steel 45 Bar |
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| SHEN Qi,LI Yu-zhong,PAN Cui-feng,LI Cong,CUI Jia. Cause Analysis on Low Impact Energy of Steel 45 Bar[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 2012, 0(9): 625-627 |
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| Authors: | SHEN Qi LI Yu-zhong PAN Cui-feng LI Cong CUI Jia |
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| Affiliation: | (Zibo Zhangdian Iron and Steel Plant,Shan Steel Group,Zibo 255007,China) |
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| Abstract: | The reason of low impact energy of steel 45 bar was analyzed by means of mechanical property testing,chemical composition analysis,metallographic examination and surface quality analysis.The results showed that serious inclusions in material,improper heat treatment,rough surface were the main reasons due to the low impact energy of the bar. |
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| Keywords: | steel 45 bar inclusion heat treatment roughness impact energy |
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