Effect of microcrystalline wax on the solvent debinding of the Sr-ferrite ceramics prepared by powder injection molding. Issue 5 (May 2017)

• Record Type: Journal Article
• Authors: Ye, Yi; Qiao, Liang; Zheng, Jingwu; Ying, Yao; Li, Wangchang; Yu, Jing; Che, Shenglei; Jiang, Liqiang
• Is Part Of: Journal of the European Ceramic Society. Volume 37:Issue 5(2017)
• Page Start: 2105
• Page End: 2114
• Publication Date: 2017-05
• Subjects: Powder injection molding -- Sr-ferrite -- Microcrystalline wax -- Binder system -- Mechanism; Ceramic materials -- Periodicals; Composite materials -- Periodicals; Matériaux céramiques -- Périodiques; Composites -- Périodiques; Ceramic materials; Composite materials; Periodicals; Electronic journals; 666.05
• DOI: 10.1016/j.jeurceramsoc.2016.12.026
• Languages: English
• ISSNs: 0955-2219

Abstract

Abstract: Powder injection molding (PIM) opens new possibilities to process complex Sr-ferrite components for magnetic applications. In the present study, new binder system with the addition of microcrystalline wax (MW) was used for the Sr-ferrite powder injection molding. The optimum binder composition was determined based on rheological measurement, mircrostructure observation by SEM, thermal change by DSC and debinding process. The results indicated that MW with 10 vol.% addition in the binder system containing high density polyethylene (HDPE), paraffin wax (PW) and stearic acid (SA) decreases the defects of the green parts after solvent debinding because the distribution of the binder system between the Sr-ferrite particles becomes more homogeneous. Using the proper binder system containing MW, the defect-free and dense Sr-ferrite ceramics can be prepared after solvent and thermal debinding and sintering. Based on the experimental results, the effects of MW microcrystalline wax on the solvent debinding of the Sr-ferrite ceramics were detailed discussed.