| 非热处理高碳高锰钢凝固研究及应用前景 |
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| 引用本文： | 施忠良 李绍雄. 非热处理高碳高锰钢凝固研究及应用前景[J]. 应用科学学报, 1995, 13(1): 63-68 |
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| 作者姓名： | 施忠良 李绍雄 |
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| 作者单位： | 上海交通大学，吉林工业大学，大连理工大学 |
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| 摘 要： | 首次从非平衡凝固（液淬和铸造）角度深入研究高锰钢中碳化物的形成及其形态，发现：高锈钢中碳化物在非平衡凝固过程中可以形成，生长方式为分枝合作长大模型．通过Ｓｉ－Ｃａ变质剂变质处理后，分枝的碳化物转化为球状，原因在于碳化物长大过程中生长界面前沿的活性元素硫氧发生了改变，改善了碳化物生长方向上的成分过冷，使碳化物在长大过程中各方向生长速度相近而长成球团状．这为高碳高锰钢铸态产品的开发应用提供了依据
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| 关 键 词： | 高锰钢 碳化物 变质处理 高碳钢 |
SOLIDIFICATION STUDY ON NON-HEAT-TREATMENT HIGH CARBON HIGH MANGANESE STEEL AND ITS APPLICATION PROSPECTS |
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| SHI ZHONGLIANG LI SHAOXIONG. SOLIDIFICATION STUDY ON NON-HEAT-TREATMENT HIGH CARBON HIGH MANGANESE STEEL AND ITS APPLICATION PROSPECTS[J]. Journal of Applied Sciences, 1995, 13(1): 63-68 |
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| Authors: | SHI ZHONGLIANG LI SHAOXIONG |
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| Affiliation: | SHI ZHONGLIANG LI SHAOXIONG(Shanghai Jiao Tong University)(Ji Lin University of Technology)YIN YANSHENG(Da Lian University of Technology) |
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| Abstract: | Oarbide formation and its morphology of high manganese steel have beenfurther researched in the light of nonequilibrium solidification(liquid-quenchingand casting).It has been found that carbide can be formed and its growth abidesby the branohing cooperation growth mold.It is put forward that the carbidegrowth can be improved by modification treatment,the branching growth carbidecan be turned into spheroidite,which is proved by the test of Si-Ca modificationtreatment of high manganese steel.The reason is that the content of active traceelements,surphur and oxygen,and their distribution have changed.The resultswill provide theoretical and practical bases for as-cast high carbon highmanganese steel product development and application. |
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| Keywords: | high carbon high manganese steel carbide growth modification. |
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