CAJ | 학술논문

开展了颗粒增强钛基复合材料高速磨削实验,分析了平面微小区域的分形维数,进而对磨削表面形貌进行了评价。结果显示,磨削速度对磨削表面微观形貌具有一定影响。三种磨削速度条件下(80、120、150 m/s)所对应的磨削平面微小区域分形维数分别为2.00430、2.00556、2.00652,与磨削速度呈线性关系,表明了应用表面微小区域分形维数评价磨削表面质量的可行性。
개전료과립증강태기복합재료고속마삭실험,분석료평면미소구역적분형유수,진이대마삭표면형모진행료평개。결과현시,마삭속도대마삭표면미관형모구유일정영향。삼충마삭속도조건하(80、120、150 m/s)소대응적마삭평면미소구역분형유수분별위2.00430、2.00556、2.00652,여마삭속도정선성관계,표명료응용표면미소구역분형유수평개마삭표면질량적가행성。
High-speed grinding experiments were carried out on particle-reinforced titanium matrix composites.The fractal dimension of the planar micro region within the machined surface was calculated to evaluate the surface quality of the ground samples.The result revealed that the wheel speed had some influences on the ground surface quality.Different wheel speed (i.e.,80 m/s,120 m/s,150 m/s) corresponded to the different fractal dimension values of the planar micro region(i.e., 2.004 30,2.005 56,2.006 52) respectively.A linear relationship has been established between the fractal dimension and the wheel speed in grinding.It was confirmed that the method could evaluate the surface quality of the ground samples by means of the fractal dimension of the planar micro region.