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Sökning: WFRF:(Xing Bohang)

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1.
  • Shen, Minhao, et al. (författare)
  • Effects of exposure time and printing angle on the curing characteristics and flexural strength of ceramic samples fabricated via digital light processing
  • 2020
  • Ingår i: Ceramics International. - : Elsevier. - 0272-8842 .- 1873-3956. ; 46:15, s. 24379-24384
  • Tidskriftsartikel (refereegranskat)abstract
    • The development of photosensitive slurries for additive manufacturing has attracted great interest due to their correlation with the final properties of the fabricated parts. This paper focus on the printing quality control in digital light processing (DLP) 3D printing of advanced ceramics. Systematic experiments were performed to assess the effects of the exposure time and printing angle on the three-point bending strength of the fabricated samples. The exposure time affected the bending strength of the printed zirconia ceramic dramatically. When the weak exposure time is 1 s and the strong exposure time is 13 s, the average bending strength can reach 580 MPa while Weibull modulus can reach 8.84. Meanwhile, the printing angle also affected the bending strength mechanical sample printed at 45 degrees exhibits the worst performance.
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2.
  • Zhao, Weiming, et al. (författare)
  • Mechanical properties of zirconia octet truss structures fabricated by DLP 3D printing
  • 2020
  • Ingår i: Materials Research Express. - : IOP PUBLISHING LTD. - 2053-1591. ; 7:8
  • Tidskriftsartikel (refereegranskat)abstract
    • Zirconia ceramic octet-truss structures with various strut size and unit cell numbers were successfully fabricated through a DLP-based 3D printing method. The mechanical properties and energy absorption capacity under compressive load were investigated systematically. The sides of all cubes are 10 mm, the strut size was changed from 0.25 mm to 2 mm, cells number was in the range of 1(1 x 1 x 1)-125(5 x 5 x 5). It has been seen that the relative density, compressive strength and energy absorption increases with the increase of strut size when cell numbers remain the same. It can be concluded that the strength and energy absorption were affected by the relative density, strut size and the stacking mode of the unit cells. So far, with this study, a high compressive strength of 75.3 MPa and a reasonably good energy absorption of 6.76 x 10(5)J m(-3)can be achieved at a relative density of 48.57%.
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  • Resultat 1-2 av 2
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refereegranskat (2)
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Zhao, Zhe, 1973- (2)
Wang, Cao (2)
Shen, Minhao (2)
Zhao, Weiming (2)
Xing, Bohang (2)
Sing, Ying (1)
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Gao, Shuyue (1)
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2020 (2)

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