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对新型内燃机气阀用钢5Cr8Si2的各项重要性能及组织进行了与老钢种的对比试验。研究结果表明:5Cr8Si2钢具有更优良的加工性能和使用性能,可以取代老钢种在国内推广使用。

Some important properties and microstructures of valve steel 5Cr8Si2 for internal-combustion engine were studied and compared with that of the old type steel. It has been showed that steel 5Cr8Si2 has better processing and working properties. So it can be used widely to replace the old type steel in our country.

参考文献

[1] 程世长 .我国内燃机气阀钢系列化发展战略[R].,1996.
[2] 李立新 .新型阀门钢5Cr8Si2的组织与性能的试验研究[D].东北大学,2000.
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