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- Title
3D打印连续纤维增强聚酰胺复合材料机械性能研究.
- Authors
王丽娟
- Abstract
Continuous fiber reinforced polyamide composite parts were manufactured by 3T) printing additive manufacturing (ALM). Scanning electron microscope (SEM) was used to observe the microphotographs of 3T) printing single filaments made of composite materials? and tensile and compression performance tests were used to evaluate the mechanical properties of composite materials. The results showed that the surface treatment of the fiber results in chemical reaction between the silane coupling agent and the glass fiber surface. The surface of 3T) printing glass fiber was attached with a large number of polyamide materials? and the combination was good. The tensile curves along the fiber direction of the sample changed linearly with strain until it broke. When the stress reached 55() MPa? the sample broke and the tensile strain was 4.23%. Tn the direction perpendicular to the fiber, the breaking strength could reach 1 ().56 MPa? and the tensile strain was 1.32% when the sample broke. The compressive fracture strength of the composite along the fiber direction could reach 86.82 MPa? and the compressive strain was 0.62% when the sample broke. Tn the direction perpendicular to the fiber ? the compressive fracture strength could reach 13.95 MPa? and the compressive strain was 1.22% when the sample broke.
- Publication
Journal of Functional Materials / Gongneng Cailiao, 2020, Vol 51, Issue 10, p10157
- ISSN
1001-9731
- Publication type
Academic Journal
- DOI
10.3969/j.issn.1001-9731.2020.10.024