Acta Metallurgica Sinica (English Letters) >
Heat Treatment of Centrifugally Cast High-Vanadium Alloy Steel for High-Pressure Grinding Roller
Received date: 2014-04-09
Revised date: 2014-04-30
Online published: 2014-07-18
The roller is one of the main parts of a high-pressure grinding roller, which is a type of highly efficient ore crushing equipment. Its working life is strongly affected by the materials used. In this paper, a new kind of roller material, the high-vanadium alloy steel (HVAS), was investigated. The results showed that the as-cast microstructures of the HVAS roller contained martensite, residual austenite, and alloy carbides. The HVAS sample quenched at 1,080 °C had a high hardness, and it had much higher compressive strength and abrasive wear resistance after tempering at 560 °C for 30 min. The mechanical properties of the HVAS are more sufficient than the existing roller materials, which are feasible for larger machine design.
Haizhi Li , Weiping Tong , Junjun Cui , Hui Zhang , Liqing Chen , Liang Zuo . Heat Treatment of Centrifugally Cast High-Vanadium Alloy Steel for High-Pressure Grinding Roller[J]. Acta Metallurgica Sinica (English Letters), 2014 , 27(3) : 430 -435 . DOI: 10.1007/s40195-014-0075-x
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