Fabrication Technologies of the Sintered Materials Including Materials for Medical and Dental Application

Mechanical Processing of Sintered Materials

10.2478/9788366675216 ◽

2020 ◽

Author(s):

Saranjit Singh ◽

Polymersetty Chandrasekhar

Keyword(s):

Mechanical Processing ◽

Sintered Materials

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Preparation and Performance Evaluation of Duotone 3D-Printed Polyetheretherketone as Oral Prosthetic Materials: A Proof-of-Concept Study

Polymers ◽

10.3390/polym13121949 ◽

2021 ◽

Vol 13 (12) ◽

pp. 1949

Author(s):

Ling Ding ◽

Wei Lu ◽

Jiaqi Zhang ◽

Chuncheng Yang ◽

Guofeng Wu

Keyword(s):

Titanium Dioxide ◽

Performance Evaluation ◽

Mechanical Performance ◽

Mechanical Tests ◽

Flexural Properties ◽

Proof Of Concept ◽

Tooth Color ◽

Dental Application ◽

3D Printed ◽

And Performance

Literature has reported the successful use of 3D printed polyetheretherketone (PEEK) to fabricate human body implants and oral prostheses. However, the current 3D printed PEEK (brown color) cannot mimic the vivid color of oral tissues and thus cannot meet the esthetical need for dental application. Therefore, titanium dioxide (TiO2) and ferric oxide (Fe2O3) were incorporated into PEEK to prepare a series of tooth-color and gingival-color PEEK composites in this study. Through color measurements and mechanical tests, the color value and mechanical performance of the 3D printed PEEK composites were evaluated. In addition, duotone PEEK specimens were printed by a double nozzle with an interface between tooth-color and gingival-color parts. The mechanical performance of duotone PEEK with two different interfaces (horizontal and vertical) was investigated. With the addition of TiO2 and Fe2O3, the colors of 3D printed PEEK composites become closer to that of dental shade guides. 3D printed PEEK composites generally demonstrated superior tensile and flexural properties and hence have great potential in the dental application. In addition, duotone 3D printed PEEK with a horizontal interfacial orientation presented better mechanical performance than that with a vertical one.

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On the thermoluminescence properties and mechanism of LuPO4:Eu sintered materials

RSC Advances ◽

10.1039/c6ra18804d ◽

2016 ◽

Vol 6 (92) ◽

pp. 89019-89027 ◽

Cited By ~ 6

Author(s):

J. Zeler ◽

E. Zych

Keyword(s):

Processing Parameters ◽

Sintered Materials

Thermoluminescence (TL) of X-rayed LuPO4:Eu sintered materials was investigated as a function of the processing parameters and Eu concentration.

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Effect of thermal insulation on microstructural homogeneity and onset temperature of flash sintered materials

Journal of the European Ceramic Society ◽

10.1016/j.jeurceramsoc.2021.08.060 ◽

2021 ◽

Vol 41 (15) ◽

pp. 7807-7815

Author(s):

Ana G. Storion ◽

Isabela R. Lavagnini ◽

João V. Campos ◽

João G.P. da Silva ◽

Sylma C. Maestrelli ◽

...

Keyword(s):

Thermal Insulation ◽

Onset Temperature ◽

Sintered Materials ◽

Microstructural Homogeneity

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The deformation of porous sintered materials

Soviet Powder Metallurgy and Metal Ceramics ◽

10.1007/bf00774478 ◽

1964 ◽

Vol 3 (2) ◽

pp. 106-108 ◽

Cited By ~ 1

Author(s):

A. Ya. Artamonov ◽

M. V. Kozachenko

Keyword(s):

Sintered Materials

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Effect of α/β phase ratio on microstructure and mechanical properties of silicon nitride ceramics

Journal of Materials Research ◽

10.1557/jmr.2001.0311 ◽

2001 ◽

Vol 16 (8) ◽

pp. 2264-2270 ◽

Cited By ~ 27

Author(s):

Hirokazu Kawaoka ◽

Tomohiko Adachi ◽

Tohru Sekino ◽

Yong-Ho Choa ◽

Lian Gao ◽

...

Keyword(s):

Fracture Toughness ◽

Silicon Nitride ◽

Phase Ratio ◽

Phase Content ◽

Sintering Process ◽

Β Phase ◽

Nitride Ceramics ◽

Pulse Electric ◽

Sintering Condition ◽

Sintered Materials

Highly densed silicon nitride ceramics with various α/β phase ratios were produced by pulse electric current sintering process. The β-phase content of Si3N4 in sintered materials varied from 20 to 100 wt% depending on the sintering condition. The microstructure was observed by scanning electron microscopy and investigated by image analysis. Young's modulus, hardness, fracture toughness, and strength were strongly dependent on the α/β phase ratio. The fracture toughness increased from 4.6 MPa m1/2 for 20-wt% b-phase content to 8.2 MPa m1/2 for 95-wt% β-phase content, and the fracture strength showed a maximum value of about 1.6 GPa at 60-to-80-wt% β-phase content.

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