化学磨损是在一定温度下,刀具材料中的某些元素如硬质合金中的WC、Co与周围介质中的某些元素如空气中的氧、切削液中的S、Cl等起化学作用,在刀具表面形成一层硬质度较低的化合物,被切削和工件带走,加速刀具磨损;或者刀具材料被某种介质腐蚀,造成刀具磨损。
指出陶瓷刀具材料切削磨损时的基本机理仍然是磨料磨损、粘结磨损、化学反应与扩散磨损。
It is finally pointed out that the main wear mechanisms of the ceramic tool materials are still abrasive, adhesive, chemical reaction and dispersion wear.
用扫描电子显微镜和X射线光电子能谱仪观察分析了磨损表面形貌和元素化学形态。
Worn surface morphology and element chemistry configuration of steel ball were analyzed by means of X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM).
严重的玻璃生物淤积、理磨损和化学腐蚀可能影响感觉表面。
Also, severe biofouling, physical abrasion, and chemical etching of the glass may erode the sensing surface.
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