| 含硼低合金球铁磨球的研制 |
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| 引用本文： | 赵浩峰,刘庆显,候文生,王玲,刘旭东. 含硼低合金球铁磨球的研制[J]. 材料科学与工艺, 1992, 0(Z1) |
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| 作者姓名： | 赵浩峰 刘庆显 候文生 王玲 刘旭东 |
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| 作者单位： | 太原工业大学，太原工业大学，太原工业大学，太原钢铁公司，太原钢铁公司 |
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| 摘 要： | 研究了一种能在冲天炉条件下生产的用于制造磨球的低合金球铁材料。通过加入微量的硼元素及少量的铬元素提高了碳化物的显微硬度,通过采取一定的热处理方式改变了碳化物的形态,耐磨球铁的组织为:球状石墨+小块状碳化物+针状组织。含硼低合金耐磨球铁的硬度为HRC52～58,冲击韧性可达9～11J/cm~2.
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| 关 键 词： | 球墨铸铁 磨球 硼合金 |
Manufacture of Grinding Balls Made of Low Alloy Ductile Cast Iron Containing Element B |
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| Zhao Haofeng Liu Qingxing Hou Wensheng. Manufacture of Grinding Balls Made of Low Alloy Ductile Cast Iron Containing Element B[J]. Materials Science and Technology, 1992, 0(Z1) |
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| Authors: | Zhao Haofeng Liu Qingxing Hou Wensheng |
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| Affiliation: | Zhao Haofeng Liu Qingxing Hou Wensheng (Taiyuan University of Technology)Wang Ling Liu Xudong (Taiyuan Iron and Steel Company) |
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| Abstract: | A Kind of low alloy ductile iron produced by Cupola fou manufacturing grinding balls is studied Microhardness of carbide is raised through adding small amount of elements B and Cr,and the shape of carbide is improved by certain heat treatment.Microstructure of this cast iron contains:nodular graphite,lump of carbide and acicular constituent.The impact toughness is 9-11 J/cm and the hardness is 52-58 HRC. |
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| Keywords: | ductile cast iron grinding balls alloy containing B |
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