Advances in Materials Science and Engineering / 2016 / Article / Fig 4

Research Article

Application of Response Surface Methodology and Central Composite Inscribed Design for Modeling and Optimization of Marble Surface Quality

Figure 4

3D surface plots for variations in roughness at different polishing head pressures () and belt speeds () at constant (499.5 rpm) polishing head rotational speed ().
(a) Adara
(b) Emperador
(c) Crema Nera
(d) Sand Wave