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錳方硼石的摩擦性能

Friction properties of chambersite

  • 摘要: 為了開拓錳方硼石的應用,將選礦之后粉末狀錳方硼石進行高能球磨處理,得到尺寸小于10μm的粉末顆粒,采用放電等離子燒結,將得到的粉末顆粒制備成圓片狀樣品.使用X射線衍射儀和掃描電子顯微鏡對粉末狀錳方硼石和摩擦片樣品進行表征,證實該樣品為斜方晶系的Mn3B7O13Cl.用WTM-ZE可控氣氛微型摩擦試驗儀測試錳方硼石樣品的摩擦性能,其摩擦因數范圍為0.2~0.6,磨損量小,為1×10-9 cm3·N-1·m-1左右,表明錳方硼石在摩擦材料填料領域有應用前景.

     

    Abstract: To exploit the application of chambersite, original chambersite powders after mineral beneficiation were ball-milled into powders with the average particle size less than 10μm by using a high energy ball mill. The milled powders were processed into disk-shaped samples by spark plasma sintering (SPS). X-ray diffraction (XRD) and scanning electron microscopy (SEM) were utilized to characterize the structure, shape and size of the samples, and a controlled atmosphere micro friction tester was used to investigate the friction properties of the samples. It is shown that the samples belong to orthorhombic Mn3B7O13Cl, the friction coefficient is from 0.2 to 0.6, and the wear loss is about 1×10-9 cm3·N-1·m-1, which let chambersite have a good prospect of application in the field of friction materials packing.

     

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