结构应用的生物复合材料的最佳材料选择:一个综合模糊的CRITIC-COPRAS方法
Ashish Soni1, Sonu Kumar Gupta2, Sethupathi Bose1
1Centre for Additive Manufacturing, Chennai Institute of Technology, Chennai, Tamil Nadu, 600069, India.
Scientific reports
|November 25, 2025
概括
这项研究引入了一种新的数学模型,用于选择使用水果废物的3D打印生物复合材料. 在CRITIC-COPRAS方法中,香皮粉和多乳酸复合物被确定为结构和三角学应用的最佳组合物.
科学领域:
- 材料科学 材料科学 材料科学
- 复合材料 复合材料 复合材料
- 可持续的制造业 可持续的制造业
背景情况:
- 材料选择对于复合材料的开发和性能至关重要.
- 水果废物和可生物降解的聚合物为复合材料制造提供了可持续的替代品.
- 现有的方法可能无法充分解决选择新型生物复合材料的复杂性.
研究的目的:
- 开发一个数学模型来选择来自水果废物的3D打印生物复合材料.
- 为了优化结构和tribological应用的材料选择.
- 在模糊和犹的条件下应对决策挑战.
主要方法:
- 综合模糊标准通过标准间相关性 (CRITIC) 和复杂比例评估 (COPRAS) 方法的重要性.
- 用于生物复合材料开发的水果废弃物衍生生物填充剂和可生物降解聚合物.
- 评估了各种应用的材料选择,包括地板,路面和汽车零部件.
主要成果:
- 在CRITIC方法中,影响强度被确定为最重要的标准.
- 一种由20%的香皮粉和80%的多乳酸 (A4) 组成的复合物被确定为最合适的材料.
- 最佳复合材料的冲击强度为20,000 kJ/m2,特定磨损率为0.00066 mm3/N-m,硬度为82.2 (岸边D),压力强度为68.81 MPa.
- 在CRITIC-COPRAS方法中,替代品的排名为A4>A7>A8>A1>A2>A5>A3>A6.
结论:
- 一个新的数学模型已成功开发,用于选择环保的生物复合材料.
- 该模型有助于减少与塑料和农业工业废物管理不善相关的问题.
- 该研究通过利用废物材料,促进复合材料制造业的可持续性.
相关概念视频
Bending of Members Made of Several Materials
545
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
545
Design Consideration
520
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
The factor of safety is another key...
520
Prismatic Beams: Problem Solving
423
In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
423
Design of Prismatic Beams for Bending
593
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
593


