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[1]吴和保,张亚平,夏志全,等.干式缸体炉前蠕化处理工艺及其力学性能[J].武汉工程大学学报,2014,(02):38-41.[doi:103969/jissn16742869201402008]
　WU He bao,ZHANG Ya ping,XIA Zhi quan,et al.Furnace front vermicularizing treating process and mechanical properties of drytype cylinder block[J].Journal of Wuhan Institute of Technology,2014,(02):38-41.[doi:103969/jissn16742869201402008]
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干式缸体炉前蠕化处理工艺及其力学性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年02期
页码:
38-41
栏目:
机电与信息工程
出版日期:
2014-02-28

文章信息/Info

Title:
Furnace front vermicularizing treating process and mechanical properties of drytype cylinder block
文章编号:
16742869(2014)02003804
作者:
吴和保1; 张亚平1; 夏志全2;  蔡安克3; 樊自田4; 董选普4
1．武汉工程大学机电工程学院，湖北 武汉 430205;2．武汉钢铁公司钢铁研究院，湖北 武汉 430083；3．中国一拖集团有限公司工艺材料研究所，湖北 洛阳 471003；4．华中科技大学材料科学与工程学院，湖北 武汉 430056
Author(s):
WU Hebao1; ZHANG Yaping1; XIA Zhiquan2; CAI Anke3; FAN Zitian4; DONG Xuanpu4
1.School of Mechanical and Electrical Engineering ,Wuhan Institute of Technology,Wuhan 430205,China; 2.Wuhan Iron and Steel Corporation Steel Research Institute,Wuhan 430083,China;3.Technology and Material Research Institute of YiTuo Group Co．，Ltd.，Luoyang 471003，China; 4.College of Materials Science and Engineering of Huazhong University of Science and Technology,Wuhan 430056,China
关键词:
蠕化剂; 石墨形态; 蠕墨铸铁; 缸体; 柴油发动机
Keywords:
vermicular agent; graphite morphology; compacted graphite iron; cylinder block;  diesel engine
分类号:
TG113
DOI:
103969/jissn16742869201402008
文献标志码:
A
摘要:
为了满足“东方红100”系列柴油机蠕墨铸铁缸体生产的技术要求，通过采用自行研制的新型蠕化剂和蠕化工艺，炉铁液浇注阶梯试样和Y型试样，分别测定蠕墨铸铁的机械性能和石墨形态，分析了不同工艺条件下蠕墨铸铁的蠕化处理效果、化学成分与机械性能之间的关系.研究结果表明，当蠕化剂加入量在1.0%~1.6%时，残余镁的质量分数为0.018%~0.025%，残余稀土的质量分数为0.035%~0.069%，蠕化率能达到50%~80%;蠕虫状石墨分布均匀，抗拉强度达到了380~420 MPa，铸造性能优良，为柴油发动机缸体稳定生产奠定了理论基础.
Abstract:
To meet the technical requirement of the production of diesel engine cylinder block "Dongfanghong 100" series,a series experiments were conducted by selfmade vermicular agent and new vermicularizing treating process.The step samples and Yblock were poured for mechanical properties test and the graphite morphology observation.The relations between vermicularizing effect,chemical composition and mechanical properties were analyzed in different process.The results indicate that 50%-80% vermicular graphite with 0.018%-0.025% magnesium and 0.035%-0.069% rareearth element remains can be obtained by crushing 1.0%-1.6% selfmade vermicular agent; then even distribution of compacted graphite,380-420 MPa tensile strength and excellent casting performance also can be achieved in this method ,which provides theoretical principle to the successful production of compacted graphite iron.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20131121作者简介：吴和保（1963\|），男，湖北麻城人，教授，博士.研究方向：金属凝固理论及其数值模拟、金属表面处理与防护、液态金属精确成型、金属雾化制粉、材料自动化检测与控制.
更新日期/Last Update: 2014-03-20