Study material ratio green bean powder and polylactic acid powder for the 3D printing technology selective laser sintering

2018 3rd International Conference on Insulating Materials, Material Application and Electrical Engineering

材料科学;无线电电子学;电工学

Dinh, Ba Bach^1,2 ; Guo, Yanling^1 ; Nguyen, Tat Thang^2,3 ; Zhang, Hui^1 ; Yu, Yueqiang^1

College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin

150040, China^1

Vietnam National University of Forestry, Hanoi

156200, Viet Nam^2

Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin

150040, China^3

关键词: 3-D printing;    Composition ratio;    Green beans;    Material structure;    Mixing ratios;    Poly lactic acid;    Study materials;    Synthetic materials;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/452/2/022011/pdf
DOI  :  10.1088/1757-899X/452/2/022011

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The world's population is increasing, so the demand for material also increases. Currently scientists are therefore searching for new materials that have a stable supply of large quantities. The combination of green bean powder with polylactic acid powder has a composition ratio (10/90; 20/80; 70/30 and 40/60 (wt/wt)) used as input material for 3d printing technology SLS. High-power laser experiments were performed on a mixture of green bean powder and polylactic acid powder (GBCP), which produced a new synthetic material both biodegradable. Then, the GBCP composite material was tested for mechanical properties in each type of mixing ratio, observing the cross section of the material structure. Results obtained at 20/80 (wt/wt) mixing ratio of GBCP composite have a tensile strength of 2.5705 MPa, bending strength of 5 MPa and impact strength of 0.501kJ/m2.