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不同孕育剂对缸体用灰铸铁加工性能的影响

作  者:
王奎;任凤章;王顺兴;李锋军;程俊伟
单  位:
中国一拖集团有限公司铸锻公司;清华大学机械学院;河南科技大学材料科学与工程学院
关键词:
缸体;加工性能;灰铸铁
摘  要:
研究了几种孕育剂对缸体用灰铸铁力学性能、壁厚敏感性和加工性能的影响。试验结果表明,孕育处理的铸件中,经稀土孕育剂处理的灰铸铁的抗拉强度可稳定在300 MPa左右,并且具有良好的品质系数。锶孕育剂处理的缸体用灰铸铁具有优良的切削加工性能和小断面敏感性。
译  名:
Influence of Processability of Gray Cast Iron in Cylinder Body Using Different Inoculants
作  者:
WANG Kui1,REN Feng-zhang1,WANG Shun-xing1,LI Feng-jun2,3,CHENG Jun-wei3(1.School of Materials Science and Engineering,Henan University of Science and Technology,Luoyang 471003,China;2.Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China;3.Yituo Foundry Corporation,China Yituo Group Corporation Limited,Luoyang 471004,China)
关键词:
Cylinder body;Process ability;Gray cast iron
摘  要:
The effects of several inoculants on the properties of the gray cast iron used in cylinder body are investigated in this article.The results show that tensile strength is higher than that of HT300 grade,metallurgy quality is improved for the gray cast iron inoculated using Re inoculant.Also,the gray cast iron inoculated with Sr inoculant has the best process-ability and the least sensibility of section hardness.

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