Reciprocating magnetorheological polishing method for borosilicate glass surface smoothness

• Published in: Journal of industrial and engineering chemistry (Seoul, Korea) Vol. 84; pp. 243 - 251
• Main Authors: Zhang, Peng, Dong, Yu Zhen, Choi, Hyoung Jin, Lee, Chul-Hee, Gao, Yong-Sheng
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 25.04.2020; 한국공업화학회
• Subjects: Borosilicate glass; Magnetorheological; MR polishing; Reciprocating; Roughness; 화학공학; MR polishing; Borosilicate glass; Reciprocating; Magnetorheological; Roughness
• ISSN: 1226-086X; 1876-794X
• DOI: 10.1016/j.jiec.2020.01.004

A new reciprocating magnetorheological (MR) polishing process for polishing a flat surface is proposed and a reciprocating MR polishing tester is designed to investigate the MR polishing mechanism. The MR polishing fluid based on carbonyl iron (CI) is prepared for use in reciprocating MR polishing test. The rheological properties, sedimentation stability of CI based MR polishing fluid and its MR polishing effect on borosilicate glass are evaluated. [Display omitted] •A new reciprocating MR polishing process was introduced.•MR polishing fluid composed of CI dispersed in water was examined.•The MR polishing tester was designed to study its polishing mechanism.•Polishing effect on borosilicate glass was focused. A new reciprocating magnetorheological (MR) method for polishing a flat borosilicate glass surface is proposed. A reciprocating MR polishing tester was designed to polish borosilicate glass, in which supplying MR polishing fluid uniformly could yield a flatter surface on the workpiece. The MR polishing fluid was prepared according to specific test requirements and the rheological properties and precipitation rate were measured. The mechanism for polishing borosilicate glass was evaluated further by analyzing the surface morphology and surface profile. The transparency of the glass surface was enhanced with an improvement of surface quality with pre-processing and reciprocating MR polishing process. The results demonstrated the effectiveness of the reciprocating MR polishing method, which could be used for polishing borosilicate glass.