surface abrasion resistance

Reasons in bad abrasion resistance and short service life of spinning top roller in polyurethane corn-spun spinning production are analyzed. Top roller hardness& surface treatment choosing in spinning polyurethane corn-spun yarn and maintenance method of top roller are introduced.

对氨纶包芯纱纺纱生产中细纱胶辊耐磨性差、使用寿命短的原因进行了分析，介绍了氨纶包芯纱用细纱胶辊硬度及表面处理的选择以及胶辊的使用保养方法。

Surface Abrasion Resistance Heat treatment of Titanium and Titanium Alloys

钛及钛合金表面耐磨热处理

We used wood tar as a blending agent to produce shaped activated carbon and the abrasion resistance of it is larger than 85%; the BET surface area is 1577.55m2/g.

其中定型颗粒活性炭是用木焦油为粘合剂，最终产品的强度在85%以上，比表面积为1577.55m~2／g；

Abrasion resistance of sealing surface . outstanding and long-lived deal.

密封面不易磨损,擦伤,密封性较好,寿命较长.

Results show when the surface of the screw are treated by laser namo-alloy, alloy layer can form metallurgy combination, abrasion resistance of the screw surface is raised by 2. 2;

结果表明，螺杆表面进行激光纳米合金化复合处理后，合金化层与基体形成了牢固的冶金结合，表面平均硬度由原来的HV420提高到HV620，螺杆表面的的耐磨性提高了2.2倍；

Grain shape and surface roughness are indicated to codetermine the abrasion resistance of the film. Further, the AR film with triangular grain and moderate roughness shows good abrasion resistance.

分析得到了粗糙度与耐磨性关系曲线，结果表明三角形晶粒以及适中的粗糙度能有效的提高薄膜耐磨性。