Xuechao Zhu, Ping Tang, Yi Yang, Qingsong Wei. Process and Performance of Selective Laser Sintered Porous-Cordierite/Carbon-Fiber Composites[J]. Laser & Optoelectronics Progress, 2018, 55(12): 121405
- Laser & Optoelectronics Progress
- Vol. 55, Issue 12, 121405 (2018)
Fig. 1. Surface micro-morphology of carbon fiber. (a) Magnification by 140; (b) magnification by 5000
Fig. 2. Effect of SLS process on green parts; (a) Accuracy error; (b) porosity
Fig. 3. Compressive strength of green parts versus laser scanning speed
Fig. 4. Effect of sintering temperature on ceramic sample. (a) Accuracy error; (b) porosity
Fig. 5. Surface micro-morphologies of ceramic samples at different sintering temperatures; (a)(b) 1350 ℃; (c)(d) 1375 ℃; (e)(f) 1400 ℃; (g)(h) 1425 ℃
Fig. 6. XRD patterns of original powders, green parts and ceramic samples sintered at different temperatures
Fig. 7. Compressive strengths of ceramic samples sintered at different temperatures
Fig. 8. Formed ceramic sample under optimal process parameters. (a) Parts after high-temperature sintering; (b) design drawing
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Table 1. Chemical compositions of cordierite powder
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Table 2. Process parameters for orthogonal experiment by SLS
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Table 3. Orthogonal experimental results of formation by SLS
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